Klockner-Moeller, Div of Eaton Corp. Circuit-breaker NZM Catalog

Product Range Catalogue | 2006

Switching, protection, communication –
the new NZM1-4 circuit-breaker series
up to 1200 A

Reliable and safely controlling,
switching and managing
power. In industry, in buildings
and in machine construction.
Innovative protection concepts.
With built-in diagnostics and
communication functions.

Circuit-breaker NZM

Think future. Switch to green.

Think future. Switch to green

Moeller SK1230-1157EN-NA

Content

1

System overview

Circuit-breakers, disconnect switches 2

Overview

Circuit-breakers,
Disconnect switches for North America, 3 pole

Circuit-breakers for North America

Thermomagnetic release, 3 pole 6
Magnetic 3 pole short-circuit release
Electronic release, 3 pole

Molded case switches for North America

3 pole 20

Disconnect switches for North America

3 pole 21

Engineering

Auxiliary contacts, trip indicating auxiliary contacts 22

Circuit-breakers, disconnect switches

Auxiliary contacts

with screw terminal

Undervoltage releases

with screw terminal
Undervoltage release, off-delayed
Shunt release

with screw terminal
Door coupling rotary handles
Rotary handles with door interlock for UL/CSA

approved NA switches
Rotary handles
Rotary handles with door interlock
Main switch assembly kit

Page

4

10
14

24

26

37
38

50
52

54
55
56

Page

Circuit-breakers, disconnect switches

Accessories 59
Mechanical interlock
Remote operators
Plug-in units
NZM1 terminals
NZM2 terminals
NZM3 terminals
NZM4 terminals
Accessories

Insulated terminals 90
Tripping characteristics

Tripping characteristics for circuit-breakers 91
Let-through characteristics for circuit-breakers

Technical data

Circuit-breakers 102
Disconnect switches
Molded Case Switches
Effective power loss
Terminal capacities
Remote operator, capacitor unit, auxiliary contact
Fitted with auxiliary contacts, timer differences
Undervoltage release, shunt release
Remote operator, capacitor unit
Data Management Interface (DMI Module)
Fieldbus connection
Direction of blow-out, minimum clearances, pipe cable lugs

Engineering

Mechanical interlock 122
Mechanical interlock for remote operator

Dimensions

Circuit-breakers, disconnect switches 125

Part number list 173
Alphabetical index 174

61
62
64
66
70
74
80
88

95

107
108
110
112
114
115
116
117
118
119
121

123

Circuit-breakers, disconnect switches

up to 1200 A

2System overview

Circuit-breakers, disconnect switches

Moeller SK1230-1157EN-NA

Circuit-breakers, disconnect switches

up to 1200 A

4

3

26

2

25

1

22

24

23

5

5

6

7

8

9

11

21

20

19

16

17

18

14

13

12

10

15

Moeller SK1230-1157EN-NA

System overview

Circuit-breakers, disconnect switches

3

a 24

Circuit-breakers for North America 1
Rated uninterrupted current up to 1200 A
Switching capacity 25, 35, 42, 85,100 kA

at 480 V
Adjustable releases for overload and

short-circuit
Adjustable time selectivity
Earth-fault protection
Protection of systems, cables, motors,

generators
3 pole version,

UL489/CSA5, IEC 60947
a 6

Circuit-breakers without overcurrent
protection for North America

Rated uninterrupted current up to 1200 A
Remotely tripped, with undervoltage or

shunt release
3 pole version, UL489/CSA5

a 20

Disconnect switches for
North America

Rated uninterrupted current up to 1200 A
Remotely tripped disconnect switches with

undervoltage or shunt release
3 pole version, UL489/CSA5, IEC 60947

a 21

Add-on functions

Standard auxiliary contact 11

Switching with the main contacts
Used for indication and interlocking tasks

Trip-indicating auxiliary contact 11
General indication of tripping with trip

due to overload or short-circuit as well as
voltage release

Early-make auxiliary contacts 25
For interlocking and load shedding circuits,

as well as for early make of the
undervoltage release in main switch/
Emergency-stop applications

a 24

Voltage releases 25

1

1

Undervoltage release

• Non-delayed

• OFF-delayed
Shunt release

a 26

Spacers 10
a 60

Delay unit for undervoltage releases 26

a 50

Door coupling rotary handle 13, 15

•Lockable

• With door interlock
a 50

Main switch rotary handle for side
panel mounting

a 56

Extension shaft 14
Can be cut to required length.

a 50

Rotary handle 16
Lockable

a 54

Remote operator 19
For ON and OFF switching and resetting

by means of 2-wire or 3-wire control.
a 62

Toggle lever interlock device 20
a 60

Flange Operator 21
In preparation

Data Management Interface (DMI
Module)

Access to diagnostics and operational data
Recording of current values
Parameterization and control of the circuit-

breakers with electronic releases
a 88

EASY-LINK-DS data plug 23
a see main Moeller catalogue for

industrial switchgear

PROFIBUS-DP interface 24
a 88

12

22

Mounting accessories

Control circuit terminal 6

For two terminals at top or bottom
NZM1 a 68

NZM2 a 72
NZM3 a 76
NZM4 a 86

Tunnel terminals for Al and Cu cable 5
Standard with control circuit terminal

NZM1 a 66
NZM2 a 70
NZM3 a 76
NZM4 a 82

Box terminals 5
Standard equipment of frame size 1

Fitted within the switch housing
NZM1 a 66

NZM2 a 70
NZM3 a 74

Terminal cover 3
Protection against direct contact where

cable lugs, busbars or tunnel terminals are
used.

NZM1 a 68
NZM2 a 72
NZM3 a 78
NZM4 a 86

Clip plates 8
NZM1-XC35 for 35 mm top-hat rail
NZM1-XC75 for 75 mm top-hat rail

a 60

Rear connection 9
NZM1 a 66

NZM2 a 70
NZM3 a 76
NZM4 a 82

Plug-in and withdrawable unit 7
a 92

Insulating surround 18
For use with toggle levers, rotary drives

and remote operators protruding from the
enclosure

NZM1 a 60

External warning plate/designation
label

NZM1 a 59

IP2X protection against contact with
afinger

e

For box t
NZM1 a 68

NZM2 a 72
NZM3 a 78

IP2X protection against contact with
afinger

For barrier
NZM1 a 68

NZM2 a 72
NZM3 a 78

rminals

Circuit-breakers, disconnect switches

up to 1200 A

17

2

4

4

Circuit-breakers, disconnect switches

up to 1200 A

Overview Overview

Circuit-breakers, disconnect switches for North America, 3 pole Circuit-breakers, disconnect switches for North America, 3 pole

Circuit-breakers

UL/CSA approved to UL 489, CSA 22.2 No. 5.1 and
to IEC/EN 60947

With main switch characteristics to IEC/EN 60204 and isolating
characteristics to IEC/EN 60947, VDE 0660

Rated uninterrupted current
Adjustable overload releases
Adjustable short-circuit releases
Delayed short-circuit releases

Iu = Rated current

I

r

I

i

I

sd

I

n

Moeller SK1230-1157EN-NA

Thermomagnetic releases Electronic releases
Overload releases

Fixed Adjustable Without Fixed Adjustable Without Fixed Adjustable Without Fixed Adjustable System protection Motor

I

u

I

u

I

r

I

u

AAAA AAA AAAA AAAA A A A
NZM1 NZM2 NZM1 NZM2 NZM1 NZM2

15 –

125

15 –

250

20 –

125

20 –

250

1 x

I

n

1.2 –

100

1.6 –

250

Basic switching capacity

1)

NZMB1-...-NA NZMB2-...-NA

NEMA Test Procedure 240 V 60 Hz sym. rms kA 35 35

480 V 60 Hz sym. rms kA 25

2)

25

600 V 60 Hz sym. rms kA – 18

IEC/EN 60947 400/415 V kA/cos

440 V kA/cos
525 V kA/cos

Normal switching capacity

1)

v
v
v

25 0.25 25 0.25
25 0.25 25 0.25
15 0.30 15 0.30

NZMN1-...-NA NZMN2-...-NA NZMN2-...E...-NA NZMN3-...E...-NA NZMN4-...E...-NA

NEMA Test Procedure 240 V 60 Hz sym. rms kA 85 85 85 85 85

480 V 60 Hz sym. rms kA 35

2)

35 35 42 42

600 V 60 Hz sym. rms kA – 25 25 35 35

IEC/EN 60947 400/415 V kA/cos

440 V kA/cos
525 V kA/cos
690 V kA/cos

High switching capacity

1)

v
v
v
v

50 0.25 50 0.25 50 0.25 50 0.25 50 0.25
35 0.25 35 0.25 35 0.25 35 0.25 35 0.25
20 0.30 25 0.25 25 0.25 25 0.25 25 0.25
10 0.50 20 0.30 20 0.30 20 0.30 20 0.30

NZMH2-...-NA NZMH2-...E...-NA NZMH3-...E...-NA NZMH4-...E...-NA

NEMA Test Procedure 240 V 60 Hz sym. rms kA 150 150 150 125

480 V 60 Hz sym. rms kA 100 100 100 85
600 V 60 Hz sym. rms kA 50 50 50 50

IEC/EN 60947 400/415 V kA/cos

440 V kA/cos
525 V kA/cos
690 V kA/cos

Notes

1)

Breakers conform to UL/CSA as well as the IEC regulations

IEC switching performance values are contained on the rating plate.

2)

for NZM...1-...-NA > 50 A 480Y/277V

v
v
v
v

150 0.20 150 0.20 150 0.20 100 0.20
130 0.20 130 0.20 130 0.20 85 0.20
50 0.25 50 0.25 65 0.25 65 0.25
20 0.30 20 0.30 35 0.30 50 0.30

a

Technical data

Disconnect switches:
UL/CSA approved to UL 489, CSA 22.2 No. 5.1 and to
IEC/EN 60947

With main switch characteristics to IEC/EN 60204 and VDE 0113
isolating characteristics to IEC/EN 60947-3 and VDE 0660.
without overload and short-circuit releases
Rated uninterrupted current I

Rated short-circuit making capacity
Rated short-time withstand current

= I

u

n

I

cm

Icw (1s current

kA 25 53 to UL 489, CSA 22.2 No. 5.1 240 V 85 150

)kA12 25 480 V 35 100

rms

400 600

550

800 63 160 400 800
1000

1200 125 250 1200

N3-...-NA N4-...-NA

Moeller SK1230-1157EN-NA

5

Overload releases

I

150 –

250

I

u

u

100 –

250

I

r

0.5 – 1 x

I

u

In90 –

220

I

u

250 –

600

I

u

250 –

600

I

r

0.5 – 1 x

I

u

In220 –

450

I

u

600 –

1200

I

u

800 –

1200

I

r

0.5 – 1 x

Short-circuit releases

I

sd

In2 – 10 x

I

i

Ir2 – 12 x

protection

I

i

In2 – 14 x

Circuit-breakers, disconnect switches

up to 1200 A

I

n

The approved switches are suitable for world-wide use.
UL Certificates: file no.: E 31593 (NZM1-4), E 148671 (N(S)1-4)
CSA certificates: file no. 165628 (NZM1-4)

Molded case switch
UL/CSA approved to UL 489, CSA 22.2 No. 5.1 and
to IEC/EN 60947-2, Annex L

With main switch characteristics to IEC/EN 60204 and VDE 0113
Isolating characteristics to IEC/EN 60947
without overcurrent protection
Rated uninterrupted current I
Values printed in grey available on request

Switching capacity

IEC/EN 60947 400/415 V 50 150

u

= In

600 V – 50

440 V 35 130
525 V 20 50
690 10 20

100 200

NS1-...-NA NS2-...-NA

600

1000

6

Circuit-breakers for North America Circuit-breakers for North America

Thermomagnetic releases, 3 pole Thermomagnetic releases, 3 pole

Moeller SK1230-1157EN-NA

Circuit-breakers, disconnect switches

up to 1200 A

Rated current = rated
uninterrupted current

In = I

u

AAA

Protection of systems and cables

3-pole

Fixed overload releases

Terminals standard
terminal screw as accessories

15 15 350 NZMB1-AF15-NA

20 20 350

25 25 350 NZMB1-AF25-NA

30 30 350 NZMB1-AF30-NA

35 35 320 – 400 NZMB1-AF35-NA

40 40 320 – 400 NZMB1-AF40-NA

45 45 300 – 500 NZMB1-AF45-NA

50 50 300 – 500 NZMB1-AF50-NA

60 60 380 – 630 NZMB1-AF60-NA

70 70 480 – 800 NZMB1-AF70-NA

80 80 480 – 800 NZMB1-AF80-NA

90 90 600 – 1000 NZMB1-AF90-NA

100 100 600 – 1000 NZMB1-AF100-NA

110 110 750 – 1250 NZMB1-AF110-NA

125 125 750 – 1250 NZMB1-AF125-NA

Line and load Box Lugs installed

Setting range

Overload releases Short-circuit

I

r

releases

I

i

Basic switching capacity

35 kA 240 V
25 kA 480 V
18 kA 600 V

Part no.

Article no.

281553

NZMB1-AF20-NA

281554

281555

281556

272204

272205

272206

272207

272208

272209

272250

272251

272252

281557

281558

1)

2)

Price

see price
list

Normal switching capacity

85 kA 240 V
35 kA 480 V
25 kA 600 V

Part no.

Article no.

NZMN1-AF15-NA

281564

NZMN1-AF20-NA

281565

NZMN1-AF25-NA

281566

NZMN1-AF30-NA

281567

NZMN1-AF35-NA

274220

NZMN1-AF40-NA

274223

NZMN1-AF45-NA

274230

NZMN1-AF50-NA

274231

NZMN1-AF60-NA

274232

NZMN1-AF70-NA

274233

NZMN1-AF80-NA

274234

NZMN1-AF90-NA

274235

NZMN1-AF100-NA

274236

NZMN1-AF110-NA

281568

NZMN1-AF125-NA

281569

1)

2)

Price

see price
list

15 15 350 NZMB2-AF15-BT-NA

20 20 350

25 25 350 NZMB2-AF25-BT-NA

30 30 350 NZMB2-AF30-BT-NA

35 35 320 – 400 NZMB2-AF35-BT-NA

40 40 320 – 400 NZMB2-AF40-BT-NA

45 45 300 – 500 NZMB2-AF45-BT-NA

50 50 300 – 500 NZMB2-AF50-BT-NA

60 60 380 – 630 NZMB2-AF60-BT-NA

70 70 480 – 800 NZMB2-AF70-BT-NA

80 80 480 – 800 NZMB2-AF80-BT-NA

90 90 600 – 1000 NZMB2-AF90-BT-NA

100 100 600 – 1000 NZMB2-AF100-BT-NA

Notes Notes for terminals a 67

107611

NZMB2-AF20-BT-NA

107612

107613

107614

107615

107616

107617

107618

107619

107620

107621

107622

107623

NZMN2-AF15-BT-NA

107631

NZMN2-AF20-BT-NA

107632

NZMN2-AF25-BT-NA

107633

NZMN2-AF30-BT-NA

107634

NZMN2-AF35-BT-NA

107635

NZMN2-AF40-BT-NA

107636

NZMN2-AF45-BT-NA

107637

NZMN2-AF50-BT-NA

107638

NZMN2-AF60-BT-NA

107639

NZMN2-AF70-BT-NA

107640

NZMN2-AF80-BT-NA

107641

NZMN2-AF90-BT-NA

107642

NZMN2-AF100-BT-NA

107643

Moeller SK1230-1157EN-NA

High switching capacity

100 kA 240 V
65 kA 480 V
35 kA 600 V

Part no.

Article no.

Price

see price
list

Std. pack Notes

7

Circuit-breakers, disconnect switches

up to 1200 A

1 off Switches conform to UL/CSA as well as the IEC regulations.

IEC switching performance values are contained on the rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-2

Fixed overload releases I
Adjustable short-circuit release I

• Approx. 6 – 10 x In (ex-factory 6 x In)
– NZM...-AF35/40-NA: approx. 8 – 10 x I

Fixed short-circuit releases I

•350 A at In = 15 – 30A

1)

For basic switching capacity 25 kA 480 V and

r

i

n

i

normal switching capacity 35 kA 480 V the following applies:
for NZM...-1-...-NA: 480Y/277 V AC from 60 A.

NZMH2-AF15-BT-NA

107809

NZMH2-AF20-BT-NA

107810

NZMH2-AF25-BT-NA

107811

NZMH2-AF30-BT-NA

107812

NZMH2-AF35-BT-NA

107813

NZMH2-AF40-BT-NA

107814

NZMH2-AF45-BT-NA

107815

NZMH2-AF50-BT-NA

107816

NZMH2-AF60-BT-NA

107817

NZMH2-AF70-BT-NA

107818

NZMH2-AF80-BT-NA

107819

NZMH2-AF90-BT-NA

107820

NZMH2-AF100-BT-NA

107821

1 off Switches conform to UL/CSA as well as the IEC regulations.

IEC switching performance values are contained on the rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-2

Fixed overload releases I
Adjustable short-circuit release I

• Approx. 6 – 10 x In (ex-factory 6 x In)
– NZM...-AF35/40-NA: approx. 8 – 10 x I

Fixed short-circuit releases I

•350 A at In = 15 – 30A

2)

For basic switching capacity 18 kA 600 V and normal switching capacity 25 kA 600 V the following applies: for

r

i

n

i

NZM2.

8

Circuit-breakers for North America Circuit-breakers for North America

Thermomagnetic releases, 3 pole Thermomagnetic releases, 3 pole

Moeller SK1230-1157EN-NA

Circuit-breakers, disconnect switches

up to 1200 A

Rated current = rated
uninterrupted current

In = I

u

AAA

Protection of systems and cables

3-pole

Fixed overload release

Line and load Box Lugs installed

110 110 750 – 1250 NZMB2-AF110-BT-NA

125 125 750 – 1250

150 150 960 – 1600 NZMB2-AF150-BT-NA

175 175 1200 – 2000 NZMB2-AF175-BT-NA

200 200 1200 – 2000 NZMB2-AF200-BT-NA

225 225 1500 – 2500 NZMB2-AF225-BT-NA

250 250 1500 – 2500 NZMB2-AF250-BT-NA

Adjustable overload release

Line and load Box Lugs installed

Setting range

Overload releases Short-circuit

I

r

releases

I

i

Basic switching capacity

35 kA 240 V
25 kA 480 V
18 kA 600 V

Part no.

Article no.

107624

NZMB2-AF125-BT-NA

107625

107626

107627

107628

107629

107630

1)

2)

Price

see price
list

Normal switching capacity

85 kA 240 V
35 kA 480 V
25 kA 600 V

Part no.

Article no.

NZMN2-AF110-BT-NA

107644

NZMN2-AF125-BT-NA

107645

NZMN2-AF150-BT-NA

107646

NZMN2-AF175-BT-NA

107647

NZMN2-AF200-BT-NA

107648

NZMN2-AF225-BT-NA

107649

NZMN2-AF250-BT-NA

107650

1)

2)

Price

see price
list

20 15 – 20 350 NZMB1-A20-NA

25 20 – 25 350

32 25 – 32 350 NZMB1-A32-NA

40 32 – 40 320 – 400 NZMB1-A40-NA

50 40 – 50 300 – 500 NZMB1-A50-NA

63 50 – 63 380 – 630 NZMB1-A63-NA

80 63 – 80 480 – 800 NZMB1-A80-NA

100 80 – 100 600 – 1000 NZMB1-A100-NA

125 100 – 125 750 – 1250 NZMB1-A125-NA

Adjustable overload releases

Line and load Box Lugs installed

20 15 – 20 350 NZMB2-A20-BT-NA

25 20 – 25 350

32 25 – 32 350 NZMB2-A32-BT-NA

40 32 – 40 320 – 400 NZMB2-A40-BT-NA

50 40 – 50 300 – 500 NZMB2-A50-BT-NA

63 50 – 63 380 – 630 NZMB2-A63-BT-NA

80 63 – 80 480 – 800 NZMB2-A80-BT-NA

100 80 – 100 600 – 1000 NZMB2-A100-BT-NA

125 100 – 125 750 – 1250 NZMB2-A125-BT-NA

160 125 – 160 960 – 1600 NZMB2-A160-BT-NA

200 160 – 200 1200 – 2000 NZMB2-A200-BT-NA

250 200 – 250 1500 – 2500 NZMB2-A250-BT-NA

Notes Notes for terminals a 71

281559

NZMB1-A25-NA

281560

281561

272253

272254

272255

272256

272258

281562

107773

NZMB2-A25-BT-NA

107774

107775

107776

107777

107778

107779

107780

107781

107782

107783

107784

NZMN1-A20-NA

281570

NZMN1-A25-NA

281571

NZMN1-A32-NA

281572

NZMN1-A40-NA

274237

NZMN1-A50-NA

274239

NZMN1-A63-NA

274240

NZMN1-A80-NA

274241

NZMN1-A100-NA

274242

NZMN1-A125-NA

281573

NZMN2-A20-BT-NA

107785

NZMN2-A25-BT-NA

107786

NZMN2-A32-BT-NA

107787

NZMN2-A40-BT-NA

107788

NZMN2-A50-BT-NA

107789

NZMN2-A63-BT-NA

107790

NZMN2-A80-BT-NA

107791

NZMN2-A100-BT-NA

107792

NZMN2-A125-BT-NA

107793

NZMN2-A160-BT-NA

107794

NZMN2-A200-BT-NA

107795

NZMN2-A250-BT-NA

107796

Moeller SK1230-1157EN-NA

High switching capacity

100 kA 240 V
65 kA 480 V
35 kA 600 V

Part no.

Article no.

Price

see price
list

Std. pack Notes

9

Circuit-breakers, disconnect switches

up to 1200 A

NZMH2-AF110-BT-NA

107822

NZMH2-AF125-BT-NA

107823

NZMH2-AF150-BT-NA

107824

NZMH2-AF175-BT-NA

107825

NZMH2-AF200-BT-NA

107826

NZMH2-AF225-BT-NA

107827

NZMH2-AF250-BT-NA

107828

1 off Switches conform to UL/CSA as well as the IEC regulations.

IEC switching performance values are contained on the rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-2

Fixed overload releases I
Adjustable short-circuit release I

• Approx. 6 – 10 x In (ex-factory 6 x In)
– NZM...-AF35/40-NA: approx. 8 – 10 x I

Fixed short-circuit releases I

• 350 A at In = 15 – 30A

2)

For basic switching capacity 18 kA 600 V and normal switching capacity 25 kA 600 V the following applies:

r

i

n

i

for NZM2.

1 off Switches conform to UL/CSA as well as the IEC regulations.

IEC switching performance values are contained on the rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-2

Adjustable overload release I

• 0.8 – 1 x In (ex-factory 0.8 x In)

Adjustable short-circuit release I

•6 – 10 x In (ex-factory 6 x In)
– NZM...-A40-NA: 8 – 10 x I

Fixed short-circuit releases I

• 350 A with In = 20 – 32 A

1)

For basic switching capacity 25 kA 480 V

r

i

n

i

and normal switching capacity 35 kA 480 V the following applies:
for NZM...-1-...-NA: 480Y/277 V AC from 60 A.

NZMH2-A20-BT-NA

107797

NZMH2-A25-BT-NA

107798

NZMH2-A32-BT-NA

107799

NZMH2-A40-BT-NA

107800

NZMH2-A50-BT-NA

107801

NZMH2-A63-BT-NA

107802

NZMH2-A80-BT-NA

107803

NZMH2-A100-BT-NA

107804

NZMH2-A125-BT-NA

107805

NZMH2-A160-BT-NA

107806

NZMH2-A200-BT-NA

107807

NZMH2-A250-BT-NA

107808

1 off Switches conform to UL/CSA as well as the IEC regulations.

IEC switching performance values are contained on the rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-2

Adjustable overload release I

• 0.8 – 1 x In (ex-factory 0.8 x In)

Adjustable short-circuit release I

•6 – 10 x In (ex-factory 6 x In)
– NZM...-A40-NA: 8 – 10 x I

Fixed short-circuit releases I

• 350 A with In = 20 – 32 A

2)

For basic switching capacity 18 kA 600 V and normal switching capacity

r

i

n

i

25 kA 600 V the following applies: for NZM2.

10

Circuit-breakers for North America Circuit-breakers for North America

Magnetic 3 pole short-circuit releases Magnetic 3 pole short-circuit releases

Moeller SK1230-1157EN-NA

Basic switching capacity

1)

480 V

Circuit-breakers, disconnect switches

up to 1200 A

Rated current = rated
uninterrupted current

In = I

u

AA

Short-circuit protection

Motor protection in conjunction with contactor and overload relay

• With short-circuit release

• Without overload release
3 pole

Terminals standard
terminal screw as accessories

1.2 8 – 14 NZMB1-S1,2-CNA

2 12.8 – 22.4

3 19.2 – 33.6 NZMB1-S3-CNA

532 – 56NZMB1-S5-CNA

848 – 84NZMB1-S8-CNA

12 80 – 140 NZMB1-S12-CNA

18 128 – 224 NZMB1-S18-CNA

26 200 – 350 NZMB1-S26-CNA

33 256 – 448 NZMB1-S33-CNA

40 320 – 560 NZMB1-S40-CNA

50 400 – 700 NZMB1-S50-CNA

63 504 – 882 NZMB1-S63-CNA

80 640 – 1120 NZMB1-S80-CNA

100 800 – 1250 NZMB1-S100-CNA

Notes Notes for terminals a 67

Setting range Part no.

Short-circuit releases

I

i

Article no.

I

102906

NZMB1-S2-CNA

102907

102908

102909

103020

103021

103022

103023

103024

281263

281264

281265

281266

281267

Price

see price
list

Std. pack Notes

1 off Switches conform to UL/CSA as well as the IEC regulations.

Moeller SK1230-1157EN-NA

40 IEC switching performance values from 40 A are contained on the
rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-4-1

Adjustable short-circuit release I

• 8 – 14 x In (ex-factory 12 x In)
– NZM...1-S1,2 – 33-CNA: approx. 8 – 14 x I
– NZM...1-S100-CNA: 8 – 12.5 x In (ex-factory 12 x In)

Without overload release I

i

n

r

11

Circuit-breakers, disconnect switches

up to 1200 A

CNA: The device has components approved to UL, the conditions of
approval must be observed during use.
i.e. the device must be combined with a suitable contactor and
overload relay.
A switching capacity is stated for the complete motor-starter
combination.
The device is approved as a CSA approved single device.

1)

480 Y/277 V AC from 60 A.

12

Circuit-breakers for North America Circuit-breakers for North America

Magnetic 3 pole short-circuit releases Magnetic 3 pole short-circuit releases

Moeller SK1230-1157EN-NA

Basic switching capacity

480 V
600 V

Rated current = rated uninterrupted
current

In = I

u

AA

Setting range Part no.

Short-circuit releases

I

i

Article no.

I

Price

see price
list

Circuit-breakers, disconnect switches

up to 1200 A

Short-circuit protection

Motor protection in conjunction with contactor and overload relay

• With short-circuit release

• Without overload release

3 pole

Line and load Box Lugs installed

1.6 12.8 – 22.4 NZMB2-S1,6-BT-CNA

2.4 19.2 – 33.6

5 32 – 56 NZMB2-S5-BT-CNA

8 48 – 84 NZMB2-S8-BT-CNA

12 80 – 140 NZMB2-S12-BT-CNA

18 128 – 224 NZMB2-S18-BT-CNA

26 200 – 350 NZMB2-S26-BT-CNA

33 256 – 448 NZMB2-S33-BT-CNA

40 320 – 560 NZMB2-S40-BT-CNA

50 400 – 700 NZMB2-S50-BT-CNA

63 504 – 882 NZMB2-S63-BT-CNA

80 640 – 1120 NZMB2-S80-BT-CNA

100 800 – 1400 NZMB2-S100-BT-CNA

125 1000 – 1750 NZMB2-S125-BT-CNA

160 1280 – 2240 NZMB2-S160-BT-CNA

200 1600 – 2500 NZMB2-S200-BT-CNA

250 2000 – 2500 NZMB2-S250-BT-CNA

107651

NZMB2-S2,4-BT-CNA

107652

107653

107654

107655

107656

107657

107658

107659

107660

107661

107662

107663

107664

107665

107666

107667

Notes Notes for terminals a 71

Moeller SK1230-1157EN-NA

Std. pack Notes

13

Circuit-breakers, disconnect switches

up to 1200 A

1 off Switches conform to UL/CSA as well as the IEC regulations.

40 IEC switching performance values from 40 A are contained on the
rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-4-1

• NZM...2-S250-CNA: IEC/EN 60947-2

Adjustable short-circuit release I

• 8 – 14 x In (ex-factory 12 x In)
– NZM...2-S5 – 33-CNA: approx. 6 – 10 x I
– NZM...2-S250-CNA: 8 – 10 x I

Without overload release I

i

r

(ex-factory 10 x In)

(ex-factory 10 x In)

n

n

CNA: The device has components approved to UL, the conditions of
approval must be observed during use.
i.e. the device must be combined with a suitable contactor and overload
relay.
A switching capacity is stated for the complete motor-starter
combination.
The device is approved as a CSA approved single device.

14

Circuit-breakers, disconnect switches

up to 1200 A

Circuit-breakers for North America Circuit-breakers for North America

Electronic releases, 3 pole Electronic releases, 3 pole

Rated current = rated
uninterrupted current

In = I

AAA

Protection of systems and cables

3 pole

Fixed overload releases

Terminal screws standard
terminals as accessories

250 250 500 – 2750 NZMN3-AEF250-NA

300 300 600 – 3300

350 350 700 – 3850 NZMN3-AEF350-NA

400 400 800 – 4400 NZMN3-AEF400-NA

450 450 900 – 3600 NZMN3-AEF450-NA

500 500 1000 – 4000 NZMN3-AEF500-NA

550 550 1100 – 4400 NZMN3-AEF550-NA

600 600 1200 – 4800 NZMN3-AEF600-NA

600 600 1200 – 7200 NZMN4-AEF600-NA

700 700 1400 – 8400 NZMN4-AEF700-NA

800 800 1600 – 9600 NZMN4-AEF800-NA

900 900 1800 – 10800 NZMN4-AEF900-NA

1000 1000 2000 – 12000 NZMN4-AEF1000-NA

1200 1200 2400 – 14400 NZMN4-AEF1200-NA

3 pole

Adjustable overload releases

Terminal screws standard
terminals as accessories

250 125 – 250 500 – 2750 NZMN3-AE250-NA

400 200 – 400 800 – 4400

600 300 – 600 1200 – 4800 NZMN3-AE600-NA

800 400 – 800 1600 – 9600 NZMN4-AE800-NA

1000 500 – 1000 2000 – 12000 NZMN4-AE1000-NA

1200 600 – 1200 2400 – 14400 NZMN4-AE1200-NA

Moeller SK1230-1157EN-NA

Normal switching capacity

85 kA 240 V
42 kA 480 V
35 kA 600 V

Setting range

Overload releases Short-circuit releases

Non-delayed

u

I

r

I

i

Part no.

Article no.

Price

see price
list

I

269275

NZMN3-AEF300-NA

269276

269277

269278

269279

269280

269281

269282

271108

271109

271110

271111

271112

271113

269299

NZMN3-AE400-NA

269300

269301

271120

271121

271122

Notes Notes for terminals a 71

Moeller SK1230-1157EN-NA

High switching capacity

100 kA 240 V
65 kA 480 V
35 kA 600 V

Part no.

Article no.

Price

see price
list

Std. pack Notes

15

Circuit-breakers, disconnect switches

up to 1200 A

NZMH3-AEF250-NA

269283

NZMH3-AEF300-NA

269284

NZMH3-AEF350-NA

269285

NZMH3-AEF400-NA

269286

NZMH3-AEF450-NA

269287

NZMH3-AEF500-NA

269288

NZMH3-AEF550-NA

269289

NZMH3-AEF600-NA

269290

NZMH4-AEF600-NA

271114

NZMH4-AEF700-NA

271115

NZMH4-AEF800-NA

271116

NZMH4-AEF900-NA

271117

NZMH4-AEF1000-NA

271118

NZMH4-AEF1200-NA

271119

1 off Switches conform to UL/CSA as well as the IEC regulations.

IEC switching performance values are contained on the rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-2

Fixed overload releases I
R.m.s. value measurement and “thermal memory”
Adjustable short-circuit release I

• With NZM...3-AEF250...400-NA: 2 – 11 x In (ex-factory 6 x In)

• With NZM...3-AEF450...600-NA: 2 – 8 x I

• With NZM...4-AEF...-NA: 2 – 12x I

1)

For limiter high switching capacity with NZMH4,

r

i

(ex-factory 6 x In)

n

(ex-factory 6 x In)

n

the following applies: 85 kA/480 V

NZMH3-AE250-NA

269302

NZMH3-AE400-NA

269303

NZMH3-AE600-NA

269304

NZMH4-AE800-NA

271123

NZMH4-AE1000-NA

271124

NZMH4-AE1200-NA

271125

1 off Switches conform to UL/CSA as well as the IEC regulations.

IEC switching performance values are contained on the rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-2

Adjustable overload release I

• 0.5 – 1 x In (ex-factory 0.8 x In)

r

R.m.s. value measurement and “thermal memory”
Adjustable short-circuit release I

• With NZM...3-AE250/400-NA: 2 – 11 x In (ex-factory 6 x In)

• With NZM...3-AE600-NA: 2 – 8 x I

• With NZM...4-AE...-NA: 2 – 12 x I

1)

For limiter high switching capacity with NZMH4,

i

(ex-factory 6 x In)

n

(ex-factory 6 x In)

n

the following applies: 85 kA/480 V

16

Circuit-breakers for North America Circuit-breakers for North America

Electronic releases, 3 pole Electronic releases, 3 pole

Moeller SK1230-1157EN-NA

Circuit-breakers, disconnect switches

up to 1200 A

Rated current = rated
uninterrupted current

In = I

u

A AAA

Systems, cable, transformer and generator protection

3 pole

Line and load terminals standard
Terminal screws standard
terminals as accessories

150 150 1800 300 – 1500 NZMN2-VEF150-BT-NA

175 175 2100 350 – 1750

200 200 2400 400 – 2000 NZMN2-VEF200-BT-NA

225 225 2700 450 – 2250 NZMN2-VEF225-BT-NA

250 250 3000 500 – 2500 NZMN2-VEF250-BT-NA

Terminal screws standard
terminals as accessories

Normal switching capacity

42 kA 480 V
35 kA 600 V

Setting range Part no.

Overload releases Short-circuit releases

Non-delayed Delayed

I

r

I

i

I

I

sd

I

Article no.

107593

NZMN2-VEF175-BT-NA

107594

107595

107596

107597

1)

2)

Price

see price
list

250 250 500 – 2750 500 – 2500 NZMN3-VEF250-NA

300 300 600 – 3300 600 – 3000 NZMN3-VEF300-NA

350 350 700 – 3850 700 – 3500 NZMN3-VEF350-NA

400 400 800 – 4400 800 – 4000 NZMN3-VEF400-NA

450 450 900 – 3600 675 – 3150 NZMN3-VEF450-NA

500 500 1000 – 4000 750 – 3500 NZMN3-VEF500-NA

550 550 1100 – 4400 825 – 3850 NZMN3-VEF550-NA

600 600 1200 – 4800 900 – 4200 NZMN3-VEF600-NA

600 600 1200 – 7200 1200 – 6000 NZMN4-VEF600-NA

700 700 1400 – 8400 1400 – 7000 NZMN4-VEF700-NA

800 800 1600 – 9600 1600 – 8000 NZMN4-VEF800-NA

900 900 1800 – 10800 1800 – 9000 NZMN4-VEF900-NA

1000 1000 2000 – 12000 2000 – 10000 NZMN4-VEF1000-NA

1200 1200 2400 – 14400 2400 – 12000 NZMN4-VEF1200-NA

Notes Notes for terminals a 71

269308

269309

269310

269311

269312

269313

269314

269315

271136

271137

271138

271139

271140

271141

Moeller SK1230-1157EN-NA

High switching capacity

65 kA 480 V
35 kA 600 V

3)

Part no.

Article no.

Price

see price
list

Std. pack Notes

17

Circuit-breakers, disconnect switches

up to 1200 A

NZMH2-VEF150-BT-NA

107598

NZMH2-VEF175-BT-NA

107599

NZMH2-VEF200-BT-NA

107840

NZMH2-VEF225-BT-NA

107841

NZMH2-VEF250-BT-NA

107842

NZMH3-VEF250-NA

269316

NZMH3-VEF300-NA

269317

NZMH3-VEF350-NA

269318

NZMH3-VEF400-NA

269319

NZMH3-VEF450-NA

269320

NZMH3-VEF500-NA

269321

NZMH3-VEF550-NA

269322

NZMH3-VEF600-NA

269323

NZMH4-VEF600-NA

271142

NZMH4-VEF700-NA

271143

NZMH4-VEF800-NA

271144

NZMH4-VEF900-NA

271145

NZMH4-VEF1000-NA

271146

NZMH4-VEF1200-NA

271147

1 off Switches conform to UL/CSA as well as the IEC regulations.

IEC switching performance values are contained on the rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-2

Fixed overload releases I
R.m.s. value measurement and 'thermal memory'

r

Adjustable time delay setting to overcome current peaks t

• 2 – 20 s with 6 x Ir (ex-factory 10 s)
Adjustable delayed short-circuit releases I

• 2 – 10 x Ir (ex-factory 6 x Ir)
– NZM...3-VEF450...600-NA: 1.5 – 7 x I

Adjustable delay time t

• Steps 0, 20, 60, 100, 200, 300, 500, 750, 1000 ms (ex-factory 0 ms)

sd

Adjustable non-delayed short-circuit releases I

• NZM2 fixed 12 x I

• NZM...3-VEF250...400-NA: 2 – 11 x In (ex-factory 11 x In)

n

• NZM...3-VEF450...600-NA: 2 – 8 x I

• NZM...4-VEF...-NA: 2 – 12 x I

2

t constant function

i

sd

(ex-factory 6 x Ir)

r

i

(ex-factory 8 x In)

n

(ex-factory 12 x In)

n

• NZM2 fixed OFF

• NZM3, NZM4 switched (ex-factory OFF)

1)

For normal switching capacity with NZMN2-...-NA,
the following applies: 35 kA/480 V

2)

For normal switching capacity with NZMN2-...-NA,
the following applies: 25 kA/600 V

3)

For limiter high switching capacity with NZMH4-...-NA,
the following applies: 85 kA/480 V

r

18

Circuit-breakers for North America Circuit-breakers for North America

Electronic releases, 3 pole Electronic releases, 3 pole

Moeller SK1230-1157EN-NA

Circuit-breakers, disconnect switches

up to 1200 A

Rated current = rated
uninterrupted current

In = I

u

AAAA

Systems, cable, transformer and generator protection

3 pole

Adjustable overload release

Line and load Box Lugs installed

100 50 – 100 1200 100 – 1000 NZMN2-VE100-BT-NA

160 80 – 160 1920 160 – 1600 NZMN2-VE160-BT-NA

250 125 – 250 3000 250 – 2500 NZMN2-VE250-BT-NA

Terminal screws standard
terminals as accessories

250 125 – 250 500 – 2750 250 – 2500 NZMN3-VE250-NA

400 200 – 400 800 – 4400 400 – 4000 NZMN3-VE400-NA

600 300 – 600 1200 – 4800 450 – 4200 NZMN3-VE600-NA

800 400 – 800 1600 – 9600 800 – 8000 NZMN4-VE800-NA

1000 500 – 1000 2000 – 12000 1000 – 10000 NZMN4-VE1000-NA

1200 630 – 1200 2400 – 14400 1260 – 12000 NZMN4-VE1200-NA

Setting range Part no.

Overload releases Short-circuit releases

I

r

Non-delayed Delayed

I

i

I

sd

Normal switching capacity

42 kA 480 V
35 kA 600 V

Article no.

107843

107844

107845

269332

269333

269334

271154

271155

271156

1)

2)

Price

see price
list

Notes Notes for terminals a 71

Rated current = rated uninterrupted current Setting range Part no.

In = I

u

AA

Short-circuit protection

Motor protection in conjunction with contactor and overload relay

• With short-circuit release

• Without overload release
3 pole

Line and load Box Lugs installed

90 180 – 1260 NZMN2-SE90-BT-CNA

140 280 – 1960

220 440 – 3080 NZMN2-SE220-BT-CNA

Terminal screws standard
terminals as accessories

220 440 – 3080 NZMN3-SE220-CNA

350 700 – 4900 NZMN3-SE350-CNA

450 900 – 6300 NZMN3-SE450-CNA

Short-circuit releases

I

i

Normal switching capacity

480 V
600 V

Article no.

107849

NZMN2-SE140-BT-CNA

107850

107851

269341

269342

284465

Price

see price
list

Notes Notes for terminals a 71

Moeller SK1230-1157EN-NA

High switching capacity

65 kA 480 V
35 kA 600 V

3)

Part no.

Article no.

NZMH2-VE100-BT-NA

107846

NZMH2-VE160-BT-NA

107847

NZMH2-VE250-BT-NA

107848

NZMH3-VE250-NA

269335

NZMH3-VE400-NA

269336

NZMH3-VE600-NA

269337

NZMH4-VE800-NA

271157

NZMH4-VE1000-NA

271158

NZMH4-VE1200-NA

271159

Price

see price
list

Std. pack Notes

1 off Switches conform to UL/CSA as well as the IEC regulations.

IEC switching performance values are contained on the rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-2

Adjustable overload release I

• 0.5 – 1 x I
R.m.s. value measurement and “thermal memory”

n

r

Adjustable time delay setting to overcome current peaks t

• 2 – 20 s with 6 x Ir (ex-factory 10 s)
Adjustable delayed short-circuit releases I

• 2 – 10 x Ir (ex-factory 6 x Ir)
– NZM...3-VE600-NA: 1.5 – 7 x I

Adjustable delay time t

• Steps: 0, 20, 60, 100, 200, 300, 500, 750, 1000 ms (ex-factory 0 ms)

sd

Adjustable non-delayed short-circuit releases I

• NZM2 fixed 12 x I

• NZM...3-VE250/400-NA: 2 – 11 x In (ex-factory 11 x In)

n

• NZM...3-VE600-NA: 2 – 8 x I

• NZM...4-VE...-NA: 2 – 12 x I

2

t constant function

i

n

sd

(ex-factory 6 x Ir)

r

i

(ex-factory 8 x In)

n

(ex-factory 12 x In)

• NZM2 fixed OFF

• NZM3, NZM4 switched (ex-factory OFF)

1)

For normal switching capacity with NZMN2-...-NA: 35 kA/480 V

2)

For normal switching capacity with NZMN2-...-NA: 25 kA/600 V

3)

For limiter high switching capacity with NZMH4-...-NA: 85 kA/480 V

19

Circuit-breakers, disconnect switches

up to 1200 A

r

Std. pack Notes

1 off Switches conform to UL/CSA as well as the IEC regulations.

IEC switching performance values are contained on the rating plate.
UL 489, CSA-C22.2-5.1, IEC/EN 60947-2 and IEC/EN 60947-4

Adjustable short-circuit release I

• 2 – 14 x In (ex-factory 12 x In)
Without overload release I

i

r

CNA: The device has components approved to UL, the conditions of approval must be observed during use. i.e. the device must be combined with a suitable
contactor and overload relay. A switching capacity is stated for the complete motor-starter combination.
The device is approved as a CSA approved single device.

20 Molded case switches for North America

3 pole

3 switch positions I, + , 0 ;
can be tripped remotely with
shunt/under voltage release

Rated current
= rated
uninterrupted
current

Switching capacity Response

range of the
short-circuit
releases

Part no.

Article no.

Price

see price
list

Moeller SK1230-1157EN-NA

Std. pack Notes

Circuit-breakers, disconnect switches

up to 1200 A

In = I

u

AkAkAA

Molded case switches

These switches are recommended especially as incoming circuit-breakers for
the North American market.

3 pole

Terminals standard
terminal screw as accessories

63 35 – 1250 NS1-63-NA

100 35 – 1250

125 35 – 1250 NS1-125-NA

Line and load Box Lugs installed

160 100 50 2500 NS2-160-BT-NA

200 100 50 2500

250 100 50 2500 NS2-250-BT-NA

Terminal screws standard
terminals as accessories

400 100 50 4800 NS3-400-NA

600 100 50 4800 NS3-600-NA

At 480 V At 600 V I

i

102681

NS1-100-NA

102682

102683

107578

NS2-200-BT-NA

107579

107610

102687

102688

1 off Switches feature a fixed short-circuit

release (self-protection) and comply to
UL 489/CSA 22.2 No 5.1 regulations.
Furthermore the switches are tested to
IEC/EN 60947-2 as circuit-breakers
without overcurrent protection (CBI-X)
with main switch characteristics to
IEC/EN 60204 and isolating
characteristics to IEC 60947.

1 off Switches feature a fixed short-circuit

release (self-protection) and comply to
UL 489/CSA 22.2 No 5.1 regulations.
Furthermore the switches are tested to
IEC/EN 60947-2 as circuit-breakers
without overcurrent protection (CBI-X)
with main switch characteristics to
IEC/EN 60204 and isolating
characteristics to IEC 60947.

Notes

800 100 50 14400 NS4-800-NA

102689

1000 100 50 14400 NS4-1000-NA

102690

1200 100 50 14400 NS4-1200-NA

102691

Notes for terminals a 67

NS2, NS3 and NS4 can be combined with remote operator NZM...-XR...
Voltage releases U/A and trip-indicating auxiliary contacts can be used.

NS3 and NS4 currently under
development. Contact your Moeller
representative.

Moeller SK1230-1157EN-NA

Disconnect switches for North America

3 pole

3 switch positions I, + , 0 ;
can be tripped remotely with
shunt/under voltage release

21

Rated current = rated
uninterrupted current

In = I

AAAkAkA

Switch-disconnector

3 pole

Terminals standard
terminal screws as accessories

63 125 150 10 – 1 off

100 125 150 10 –

125 125 150 10 –

Line and load Box Lugs installed

160 250 225 10 10 1 off

Terminal screws standard
terminals as accessories

400 630 –

550 630 –

Short-circuit
protection,
max. gG/gL fuse

Short-circuit
protection max. fuse

1)

OTS characteristic

Short-circuit rating with
OTS fuse

Part no.

Article no.

Price

see price
list

Std.
pack

At 480 V: At 600 V:

u

Circuit-breakers, disconnect switches

up to 1200 A

2)

14 14 N3-400-NA

1 off

271169

2)

14 14 N3-550-NA

293635

600 1600 –

800 1600 –

1000 1600 –

1200 1600 –

2)

2)

2)

2)

25 25 N4-600-NA

25 25 N4-800-NA

25 25 N4-1000-NA

25 25 N4-1200-NA

Notes Main switch characteristics including positive drive to IEC/EN 60204 and VDE 0113.

Isolating characteristics to IEC/EN 60947-3 and VDE 0660.
Protection against accidental contact according to IEC.
Undervoltage and shunt releases and HIA trip-indicating auxiliary contacts can be used in addition to N disconnect switches.
N3... and N4... can also be combined with the NZM...-XR... remote operator.
Switches conform to UL 489/CSA 22.2 No. 5.1 as well as to the IEC regulations.

Notes for terminals a 67

1)

for use when using a switch-disconnector to EN 60947-3.

2)

for use when using a switch-disconnector to N3...-NA and N4...-NA without protective device to UL 1087, CSA 22.2 No 5.2.

292386

271171

271172

271173

22 Engineering

Auxiliary contacts, trip indicating auxiliary contacts

Contact sequence of the auxiliary contacts

Standard auxiliary contact (HIN)

I

+

I

+

I

+

+

I

+

I

+

I

+

+

Circuit-breakers, disconnect switches

up to 1200 A

L1L2L3

HIN

L1L2L3

HIN

L1L2L3

HIN

Early-make auxiliary contact (HIV)

NZM 1, 2, 3

L1L2L3
HIV

L1L2L3
HIV

L1L2L3
HIV

Moeller SK1230-1157EN-NA

0 l I Switch-on Q Contact closed

q Contact open

0 m I Switch-off

+ m I Trip

0 l I Switch-on Q Contact closed

q Contact open

0 m I Switch-off

+ m I Trip

NZM 4

L1L2L3
HIV

L1L2L3
HIV

L1L2L3
HIV

I

+

0 l I Switch-on Q Contact closed

I

+

+

I

+

0 m I Switch-off

q Contact open

+ m I Trip

Trip-indicating auxiliary contact (HIA)

I

L1L2L3

HIA

L1L2L3

HIA

L1L2L3

HIA

+

I

+

0 l I Switch-on Q Contact closed

q Contact open

0 m I Switch-off

I

+

+

+ m I Trip

Maximum component fitting NZM1 NZM2 NZM3 NZM4

HIN 1 N/O or 1 N/C 1 2 3 3
HIA 1 N/O or 1 N/C 1 1 1 2
HIV 2 N/O1111

Notes If early-make contacts are required in combination with shunt or undervoltage releases,

please select the combination type in the “Release” section.

Moeller SK1230-1157EN-NA

Notes

23

Circuit-breakers, disconnect switches

up to 1200 A

24

Circuit-breakers, disconnect switches

up to 1200 A

Circuit-breakers, disconnect switches Circuit-breakers, disconnect switches

Auxiliary contacts, with screw terminal Auxiliary contacts, with screw terminal

Auxiliary contacts

Standard auxiliary contact
Switching with the main contacts
Used for indicating and interlocking tasks

Early-make auxiliary contact
For interlock and load-shedding circuits

With clamp terminal
on the left-hand
switch side.

For use with Auxiliary contacts: f = safety

function, by positive opening to
IEC/EN 60947-5-1

NZM1, 2, 3, 4

N/O = Normally
open

1 N/O – M22-K10

N/C = Normally
closed

N1, 2, 3, 4

–1 N/C f

NZM1

2 N/O –

N1

Contact
sequence

1.X3

1.X4

1.X1

1.X2

3.13 3.23

3.14 3.24

Moeller SK1230-1157EN-NA

Part no.

Article no.
when ordered

Price

see price
list

separately

216376

M22-K01

216378

NZM1-XHIV

259426

With clamp terminal

2 N/O –
on the right-hand
switch side.

With 3 m connection

2 N/O –
cable instead of
screw termination.

NZM2, 3

2 N/O – NZM2/3-XHIV

N2, 3

NZM4

2 N/O – NZM4-XHIV

N4

Trip-indicating auxiliary contact (HIA)
General trip indication '+', when tripped by voltage release, overload release or short-circuit release

NZM1, 2, 3, 4

1 N/O – M22-K10

N1, 2, 3, 4

3.13 3.23

3.14 3.24

3.13 3.23

3.14 3.24

3.13 3.23

3.14 3.24

3.13 3.23

3.14 3.24

4.X3

4.X4

NZM1-XHIVR

292195

NZM1-XHIVL

259432

259430

266172

216376

–1 N/C f

4.X1

M22-K01

216378

4.X2

Moeller SK1230-1157EN-NA

Notes

The following can be clipped into the switches:

• NZM1 – a standard auxiliary contact

• NZM2 up to two M22-K... standard auxiliary contacts

• NZM3 as well as NZM4 - up to 3 standard auxiliary
contacts M22-(C)K...

Any combinations of the auxiliary contact types is possible.
Marking on switch: HIN

Not in conjunction with undervoltage release NZM...­XU(C)... or shunt release NZM...-XA(C)...
Early-make with on and off switching (manual operation):
approx. 20 ms

25

Circuit-breakers, disconnect switches

up to 1200 A

Not in conjunction with undervoltage release NZM...­XU(C)..., shunt release NZM...-XA(C)... or remote operator
NZM...-XR...
Early-make with switch on (manual operation): approx.
90 ms

The following can be clipped into the switches:

• NZM1 - one trip-indicating auxiliary switch

• NZM2 - one M22-(C)K... trip-indicating auxiliary switch

• NZM3 - one M22-(C)K... trip-indicating auxiliary switch

• NZM4 - up to two M22-(C)K... trip-indicating auxiliary
switches

Any combinations of the auxiliary contact types ispossible.
Marking on switch: HIA

26

Circuit-breakers, disconnect switches Circuit-breakers, disconnect switches

Undervoltage release Undervoltage release

Moeller SK1230-1157EN-NA

Circuit-breakers, disconnect switches

up to 1200 A

Undervoltage releases

Without auxiliary contact
Non-delayed disconnection of NZM circuit-breakers or N disconnect switches
when the control voltage sinks below 35 – 70% U
For use with Emergency-Stop devices in conjunction with Emergency-Stop button.

D1

U <

D2

.

S

With clamp terminal on the
left-hand switch side.

For use with Rated control voltage Part no.

U

s

V

NZM1, N1 24 V 50/60 Hz NZM1-XU24AC

110 V – 130 V 50/60 Hz

208 V 240 V 50/60 Hz NZM1-XU208-240AC

380 V – 440 V 50/60 Hz NZM1-XU380-440AC

480 V – 525 V 50/60 Hz NZM1-XU480-525AC

600 V 50/60 Hz NZM1-XU600AC

12 V DC NZM1-XU12DC

24 V DC NZM1-XU24DC

110 V – 130 V DC NZM1-XU110-130DC

220 V – 250 V DC NZM1-XU220-250DC

Article no.
when ordered separately

259434

NZM1-XU110-130AC

259440

259442

259444

259446

259448

259450

259452

259458

259460

Moeller SK1230-1157EN-NA

Std. pack Notes

27

1 off When the undervoltage release is de-energized, accidental

contact with the main contacts of the switch during attempts to
switch on, is safely prevented .

Undervoltage release cannot be installed simultaneously with
NZM...-XHIV... early-make auxiliary contact or NZM...-XA...
shunt release.

Circuit-breakers, disconnect switches

up to 1200 A

28

Circuit-breakers, disconnect switches Circuit-breakers, disconnect switches

Undervoltage release Undervoltage release

Moeller SK1230-1157EN-NA

Circuit-breakers, disconnect switches

up to 1200 A

Undervoltage releases

Without auxiliary contact
Non-delayed disconnection of NZM circuit-breakers or N disconnect switches
when the control voltage sinks below 35 – 70% U
For use with Emergency-Stop devices in conjunction with Emergency-Stop button.

D1

U <

D2

D1

U <

D2

.

S

–NZM2, N2

– NZM4, N4 24 V 50/60 Hz NZM4-XU24AC

For use with Rated control voltage Part no.

U

s

V

NZM3, N3

24 V 50/60 Hz NZM2/3-XU24AC

110 V – 130 V 50/60 Hz

208 V 240 V 50/60 Hz NZM2/3-XU208-240AC

380 V – 440 V 50/60 Hz NZM2/3-XU380-440AC

480 V – 525 V 50/60 Hz NZM2/3-XU480-525AC

600 V 50/60 Hz NZM2/3-XU600AC

12 V DC NZM2/3-XU12DC

24 V DC NZM2/3-XU24DC

110 V 130 V DC NZM2/3-XU110-130DC

220 V – 250 V DC NZM2/3-XU220-250DC

110 V – 130 V 50/60 Hz

208 V – 240 V 50/60 Hz NZM4-XU208-240AC

380 V – 440 V 50/60 Hz NZM4-XU380-440AC

480 V – 525 V 50/60 Hz NZM4-XU480-525AC

600 V 50/60 Hz NZM4-XU600AC

12 V DC NZM4-XU12DC

24 V DC NZM4-XU24DC

110 V – 130 V DC NZM4-XU110-130DC

220 V – 250 V DC NZM4-XU220-250DC

Article no.
when ordered separately

259491

NZM2/3-XU110-130AC

259497

259499

259501

259503

259505

259507

259509

259515

259517

266189

NZM4-XU110-130AC

266192

266193

266194

266195

266196

266203

266204

266207

266208

Moeller SK1230-1157EN-NA

Std. pack Notes

29

1 off When the undervoltage release is de-energized, accidental

contact with the main contacts of the switch during attempts to
switch on, is safely prevented .

Undervoltage release cannot be installed simultaneously with
NZM...-XHIV... early-make auxiliary contact or NZM...-XA...
shunt release.

1 off

Circuit-breakers, disconnect switches

up to 1200 A