Technical data for manual motor starters
Type MS325
General data
Rated voltage 600 V
Rated current 25 A (14 setting ranges, 0.1 to 25A)
Rated frequency 50 - 60 Hz
Electrical and mechanical life endurance 100,000 operations
Mounting position Optional
Ambient temperature -25°C to +50°C
Temperature compensation -25°C to + 50°C
Wire range 14 - 8 AWG
Standards
• IEC 157-1, 292-1, 337-1
• VDE 0660 part 101, 104, 106, 200
• SEV 1090-1, 1092-1, 1093-1
Approvals
• UL: E137861 (MS 325); E90353 (Auxiliary contact blocks)
• CSA: LR 15332
• NEMKO, DEMKO, FI, SEV, KEMA, KEUR
Tripping values
Thermal tripping setting Magnetic tripping
ranges (A) operating current (A)
0.1 - 0.16 1.6
0.16 - 0.25 2.5
0.25 - 0.40 4.0
0.4 - 0.63 6.3
0.63 - 1 12
1 - 1.6 19
1.6 - 2.5 30
2.5 - 4 48
4 - 6.3 75
6.3 - 9 108
9 - 12.5 150
12.5 - 16 192
16 - 20 240
20 - 25 300
Low voltage trip
Rated voltage 400V
Rated frequency 50 - 60 Hz
Rated power 0.9 W
Operating voltage
• Drop out (% of nominal control voltage) 10% - 75%
• Pull in 80% - 110%
2
1
h
40
20
10
6
4
2
1
min
40
20
10
6
4
2
1
0.6
Tripping time
0.4
0.2
s
0.1
0.06
0.04
0.02
0.01
0.006
0.004
0.002
0.001
0 2 4 6 81012141618
3 pole
2 pole
Multiple of rated current
Auxiliary and pilot contacts
Rated voltage 400V
Rated current
• I
th
• AC 11 2 A, 200 V
Connection cross sections 2 x 14 AWG
6 A
Interruption ratings
Thermal setting High fault Maximum Maximum
range (Amps) short circuit rating 480V group fuse BCP fuse 600V
0.10 - 0.16 85 1600 1
0.16 - 0.25 85 1600 1
0.25 - 0.40 85 1600 1
0.40 - 0.63 85 1600 10
0.63 - 1.00 85 1600 10
1.00 - 1.60 85 1600 10
1.60 - 2.50 85 1600 10
2.50 - 4.00 85 1600 15
4.00 - 6.30 30 1600 25
6.30 - 9.00 30 1600 35
9.00 - 12.5 30 1600 50
12.5 - 16.0 30 1600 60
16.0 - 20.0 30 1600 80
20.0 - 25.0 30 1600 100
kA A A
Maximum switching capacity for DC loads
using 3 main current paths in series
DC Load Voltage Amps
DC 1 60V 25
DC 2/3 60V 25
DC 4/5 60V 25
110V 25
220V 25
440V 25
110V 25
220V 25
440V 25
110V 25
220V 25
440V 25
Auxiliary leads
Type load Voltage Amps
Carrying capacity of aux. contacts
Thermal permanent current I
Rated operating for AC11 up to 220VAC 2
current I
e
th
380VAC 1.5
500VAC 1.2
DC11 up to 60VDC 1.5
110VDC 1
220VDC 0.3
440VDC 0.1
6
5
MANUAL MOTOR STARTERS:
AC 1000 – 2/97
Selection: 5.3 Accessories: 5.4 - 5.6
Technical data: 5.7 - 5.8 Approximate dimensions: 5.9 - 5.12
5.7
Manual Motor Starters Type Series MS
Technical data
SST11601
SST01497
SST02198
SST01898
Manual motor starter Type MS116 MS325; MO325 MS450/451; MO450 MS495/496/497;
MO495/496
General technical data
Standards: The devices comply with the major 947-1 947-1 947-1 947-1
international, European and national 947-2 947-2 947-2 947-2
regulations IEC 60../EN 60.. 947-4-1 947-4-1 947-4-1 947-4-1
947-5-1 947-5-1 947-5-1 947-5-1
Disconnector characteristics (to IEC/EN 60947-1) yes yes yes yes
Mechanical service life in operations 100.000 100.000 50.000
Permissible ambient temperature
- Operating temperature °C – 20... + 55/70 – 25 ... + 55/70 – 20 ... + 60/70
- Storage temperature °C – 50 ... + 80 – 50 ... + 80 – 50 ... + 80
Temperature compensation with
Mounting position any
Permissible altitude m 3000 3000 2000
Permissible resistance to vibrations
(IEC 68-2-6) Amplitude 5 g Amplitude 5 g
Permissible resistance to shocks
(IEC 68-2-27)
Mounting (mounting hardware not included in
scope of delivery)
Screw fi xing see accessories see accessories 2 x M5 2 x M5
Quick fastening to EN 50022 35 mm 35 mm 35 mm 35 mm,
on top-hat rail (15 mm high)
to EN 50023 – – – 75 mm
Electrical connection
of the main conductors (main circuits)
Type Screw terminal Box terminal Box terminal Box terminal
+ bus
Screw Pozidrive size 2 Pozidrive size 2 Pozidrive size 2 Internal hexagon
4 mm
Single-core 1 x mm
2 x mm
Stranded 1 x mm
2 x mm
Flexible 1 x mm
2 x mm
of the auxiliary conductors (auxiliary circuits)
Type Screw Screw Screw
terminal terminal terminal
Screw Pozidrive size 2 Pozidrive size 1 Pozidrive size 2
Single-core 1 x mm
2 x mm
Flexible 1 x mm
2 x mm
10-150 Hz 10-150 Hz on request on request
sinusoidal shock
25 g (11 ms) 15 g (11 ms) on request on request
2
2
2
2
2
2
2
2
2
2
1 ... 4 1 ... 10 0.75 ... 35 2.5 ... 70
1 ... 4 1 ... 4 0.75 ... 25 2.5 ... 50
1 ... 4 1 ... 10 0.75 ... 35 2.5 ... 70
1 ... 4 – 0.75 ... 25 2.5 ... 50
0.75 ... 2.5 1 ... 6 0.75 ... 25 2.5 ... 50
0.75 ... 2.5 – 0.75 ... 16 2.5 ... 35
1 ... 2.5 0.5 ... 2.5 0.5 ... 2.5
1 ... 2.5 0.5 ... 2.5 0.5 ... 2.5
0.75 ... 2.5 0.5 ... 2.5 0.5 ... 1.5
0.75 ... 2.5 0.5 ... 2.5 0.5 ... 1.5
Operating conditions up to 70° C on request
G-values refer to the mounting position subject to the highest shock sensitivity
Also applies to auxiliary switches HKF1 and undervoltage release UA1
For auxiliary switch HKF.. Pozidrive 2
Applies to auxiliary switches HK1 and SK1
20
Manual Motor Starters Type Series MS
Technical data
Manual motor starter Type MS116 MS325; MO325 MS450/451; MO450 MS495/496/497;
MO495/496
General electrical data
Rated insulation voltage Ui
to EN 60947 V AC 690 690 690 690
to CSA / U
Rated operating voltage U
Rated impulse strength U
Rated continuous thermal current I
/ NEMA V AC 600 600 600 600
L
up to V 690 AC/440 DC 690 AC/440 DC 690 AC/440 DC 690 AC/440 DC
e
kV 6 6 6 6
imp
th
A 16 25 50 100
Rated frequency Hz 50/60
Rated current ranges I
(number of ranges) (11) (14) (7) (6)
e
Rated service short-circuit breaking capacity I
A 0.1 ... 16 0.1 ... 25 11 ... 50 28 ... 100
and max. permissible back-up fuses see pages 23 / 24.
cs
DC rated operating voltage
in the case of series connection
of 3 main circuits
(see wiring diagram, Page 25)
DC 1, 60 V A on request 25 50 100
DC 3, 60 V A on request 25 50 100
DC 5, 60 V A on request 25 50 100
Short circuit capacity for DC-rating on request
Auxiliary circuits
Load rating of the auxiliary circuits
Minimum load at: 24 V DC mA 5 mA at 17 VDC 5 5 mA at 17 VDC
12 V DC mA – 10 –
Auxiliary contact for front mounting
230V, 1.5 A 120V, 3.0 A 230V, 3.0 A
230V, 2.0 A
DC13 24V, 1.0 A 24V, 2.0 A 24V, 1.0 A
60V, 0.7 A 60V, 2.5 A 48V, 0.3 A
110 V, 0.3 A 110 V, 0.6 A 60 V, 0.15 A
220 V, 0.1 A 220 V, 0.25 A
Auxiliary and signal contact
230V, 4.0 A 120V, 3.0 A 230V, 4.0 A
400 V, 3.0 A 230V, 2.0 A 400 V, 3.0 A
DC13 24V, 2.0 A 24V, 2.0 A 24V, 1.0 A
110 V, 0.5 A 60V, 2.5 A 110 V, 0.5 A
220 V, 0.25 A 110 V, 0.6 A 220 V, 0.25 A
220 V, 0.25 A
Correction factors for other frequencies on request
AC15 24V, 3.0 A 24V, 4.0 A 24V, 4.0 A
AC15 24V, 6.0 A 24V, 4.0 A 24V, 6.0 A
21
Manual Motor Starters Type Series MS
Technical data
Manual motor starter Type MS116 MS325; MO325 MS450/451; MO450 MS495/496/497;
MO495/496
Release
Device for phase failure protection with
Electromagnetic trips
Response value set ex-works 9.6 ... 14.4 x I
9 ... 14 In
10 ... 15 I
Undervoltage release
Pick-up value % of U
Drop-out value % of U
Power consumption Pick-up VA 9.0 0.9 20.2
c
c
> 85 > 85 > 85
35 ... 75 35 ... 75 35 ... 70
Hold VA 3.0 0.9 7.2
Open-circuit shunt release
Pick-up value % of U
Relative duty % ED 100 – 100 at voltages 50/60 Hz to
c
> 70 > 85 > 70
Power consumption Pick-up VA 9.0 110-240V: 13-61 on request
Hold VA 3.0 – on request
7.5 ... 12 In
n
12.5 ... 17.5 In
n
10.4 In ... 15.6 I
n
Internal resistance values
Setting ranges Resistance per phase in Ω resp. MS4.. in mΩ
A
from to MS116 MS325 MS450 MS451 MS495/MS497 MS496
0.1 ... 0.16 66 71.1 – – – –
0.16 ... 0.25 25.5 27.1 – – – –
0.25 ... 0.4 10.38 12.3 – – – –
0.4 ... 0.63 4.36 5.17 – – – –
0.63 ... 1.0 1.602 2.09 – – – –
1.0 ... 1.6 0.645 0.805 – – – –
1.6 ... 2.5 0.2795 0.34 – – – –
2.5 ... 4.0 0.1035 0.141 – – – –
4.0 ... 6.3 0.0433 0.051 – – – –
6.3 ... 9.0 – 0.0224 – – – –
6.3 ... 10.0 0.0217 – – – – –
8,0 ... 12,0 0.0148 – – – – –
9.0 ... 12.5 – 0.0122 – – – –
10.0 ... 16.0 0.0088 – – – – –
11.0 ... 16.0 – – 13.3 13.8 17.3 –
12.5 ... 16.0 – 0.0081 – – – –
14.0 ... 20.0 – – 8.74 8.74 11.3 –
16.0 ... 20.0 – 0.0048 – – – –
18.0 ... 25.0 – – 5.43 5.83 7.11 –
20.0 ... 25.0 – 0.0035 – – – –
22.0 ... 32.0 – – 3.60 4.10 4.75 –
28.0 ... 40.0 – – 2.56 2.90 3.28 3.28
36.0 ... 45.0 – – 1.80 2.20 – –
36.5 ... 50.0 – – – – 2.24 2.52
40.0 ... 50.0 – – 1.46 1.82 – –
45.0 ... 63.0 – – – – 1.40 1.40
57.0 ... 75.0 – – – – 0.95 1.00
70.0 ... 90.0 – – – – 0.60 0.63
80.0 ... 100.0 – – – – 0.54 0.57
Current ranges 0.16 to 0.63 A
Current ranges 1 to 2.5 A
Current ranges 4 to 6.3 A
Current ranges 9 to 25 A
24-60 V: 14.4-90 VA
22
Manual Motor Starters Type Series MS
Technical data
Short-circuit protection MS116, setting ranges, short-circuit strength and max. back-up fuses
Maximum rated current of the short-circuit fuses if Icc > Ics
at at at at at
from to 230 V AC 400 V AC 440 V AC 500 V AC 690 VAC
I
A A kA kA A kA kA A kA kA A kA kA A kA kA A
Setting ranges 0.1 ... 0.16
to
1.0 ... 1.6
1.6 ... 2.5 10 10 25 10 10 25 5 5 25
2.5 ... 4.0 6 6 25 6 6 25 2 2 25
4.0 ... 6.3 6 6 63 6 6 63 2 2 40
6.3 ... 10.0 6 6 63 6 6 63 2 2 50
8.0 ... 12.0 25 25 80 25 25 80 6 6 63 6 6 63 2 2 50
10.0 ... 16.0 16 16 80 16 16 80 4 4 63 4 4 63 2 2 63
Short-circuit protection MS325 / MO325, setting ranges, short-circuit strength and max. back-up fuses
Maximum rated current of the short-circuit fuses if Icc > Ics
at at at at at
from to 230 V AC 400 V AC 440 V AC 500 V AC 690 VAC
I
kA A kA A kA A kA A kA A
A A Fuse types: Diazed, l.v.h.b.c., utilisation categories: gL, aM (VDE), gL/gG (IEC)
Setting ranges 0.1 ... 0.16
to
1.0 ... 1.6
1.6 ... 2.5 40 25
2.5 ... 4.0 60 35 / 40 10 40
4.0 ... 6.3 70 50 40 50 7 40
6.3 ... 9.0 50 80 30 80 5 50
9.0 ... 12.5 75 80 45 80 27 80 4.5 50
12.5 ... 16.0 60 100 40 100 25 100 4 50
16.0 ... 20.0 55 100 35 100 22 100 3.5 50
20.0 ... 25.0 50 125 30 125 20 125 3 50
Ics gL, gG Icu Ics gL, gG Icu Ics gL, gG Icu Ics gL, gG Icu Ics gL, gG
cu
Short-circuit proof
up to Icc = 50 kA
gL, aM Ics gL, aM Ics gL, aM Ics gL, aM Ics gL, aM
cs
Short-circuit proof
up to Icc = 30 kA
Short-circuit proof
No back-up fuse required up to Icc = 100 kA
Short-circuit protection MS325 / MO325, setting ranges, short-circuit strength and max. back-up fuses
Maximum rated current of the short-circuit fuses if Icc > Ics
at at at at at
from to 230 V AC 400 V AC 440 V AC 500 V AC 690 VAC
I
kA A kA A kA A kA A kA A
A A Fuse types: Diazed, l.v.h.b.c., utilisation categories: gL, aM (VDE), gL/gG (IEC)
Setting ranges 0.1 ... 0.16
to
1.0 ... 1.6
1.6 ... 2.5 40 25
2.5 ... 4.0 60 35 / 40 10 40
4.0 ... 6.3 40 50 7 40
6.3 ... 9.0 30 80 5 50
9.0 ... 12.5 45 80 27 80 4.5 50
12.5 ... 16.0 40 100 25 100 4 50
16.0 ... 20.0 35 100 22 100 3.5 50
20.0 ... 25.0 30 125 20 125 3 50
Ics = Rated service short-circuit breaking capacity, Icu = Rated ultimate short-circuit capacity, Icc = Prospective short-circuit current at installation location.
= Icu in the case of MS325 and MS116!
I
cs
gL, aM Ics gL, aM Ics gL, aM Ics gL, aM Ics gL, aM
cs
Short-circuit proof
No back-up fuse required up to
Icc = 50 kA
23
Manual Motor Starters Type Series MS
Technical data
Coordination acc. IEC / EN 60947-4-1
The following table lists the combinations of motor protection switches and contactors according to assignment type 2 in compliance with
IEC / EN 60947-4-1
Assignment type 2, 400 V - 50 Hz, 50 kA, normal start
Motor output AC-3 Motor protecting Setting range Contactor Maximum current
and design current three switch Type permitted for the
phase cage motor type combination
1500 rp/min.
380/400 V
P
/kW Ie/A A ... A A
e
0.06 0.22 MS325-0.25 0.16 ... 0.25 A9 0.25
0.09 0.33 MS325-0.4 0.25 ... 0.4 A9 0.4
0.12 0.42 MS325-0.63 0.40 ... 0.63 A9 0.63
0.18 0.72 MS325-1 0.63 ... 1 A9 1
0.25 0.83 MS325-1 0.63 ... 1 A9 1
0.37 1.2 MS325-1.6 1 ... 1,6 A9 1.6
0.55 1.5 MS325-1.6 1 ... 1.6 A9 1.6
0.75 2 MS325-2.5 1.6 ... 2.5 A9 2.5
1.1 2.6 MS325-4 2.5 ... 4 A9 4
1.5 3.5 MS325-4 2.5 ... 4 A12 4
2.2 5 MS325-6.3 4 ... 6.3 A12 6.3
3 6.6 MS325-9 6.3 ... 9 A26 9
4 8.5 MS325-9 6.3 ... 9 A26 9
5.5 11.5 MS325-12.5 9 ... 12.5 A26 12.5
7.5 15.5 MS325-16 12.5 ... 16 A26 16
MS450-20 14 ... 20 A26 16
9 18.3 MS325-20 16 ... 20 A26 20
11 22 MS3265-25 20 ... 25 A30 25
MS450-25 18 ... 25 A30 25
15 30 MS450-32 22 ... 32 A30 30
18.5 37 MS450-40 28 ... 40 A40 40
22 44 MS450-50 40 ... 50 A50 50
30 60 MS495-63 45 ... 63 A63 63
37 72 MS495-75 57 ... 75 A95 75
45 85 MS495-90 70 ... 90 A95 90
55 98 MS495-100 80 ... 100 A110 100
Further coordination tables on request
2
Forward current integrals (lt
Peak forward current curves on request
Reliable line protection
Manual motor min. protected conductor cross section
Protection of PVC-insulated lines
starter type at 380 / 415 V AC, Cu mm
against thermal overload in the event of short circuit:
MS325 4 2.5 1.5 1.0 0.75
In compliance with VDE 0100 section 430 and 523, cables
0,16
to
and lines must be protected against overheating and short circuit.
6
The table opposite indicates which conductor cross-section are safely
10
protected by motor protection switches in the event of short circuit.
20
25
curves) on request
2
25
Manual Motor Starters Type Series MS
Technical data
Times to trip
Selection table for suitability of the motor protection switches for motors of enclosure e
Time to trip of the motor protection switches as a function of a multiple of the setting current (tolerance ± 20 % of the time to trip).
PTB approvals, see below.
Setting range Time to trip of the motor protection switches at
of the manual 3 4 5 6 7.2 8
motor starter times the setting current, 3-pole, starting from cold state.
A A s s s s s s
Manual motor starter, Type MS325
0.1 ... 0.16 15 9 6.5 4.8 3.7 3.2
0.16 ... 0.25 16 10 6.8 5.2 4 3.6
0.25 ... 0.4 16 9.7 6.5 5 3.8 3.3
0.4 ... 0.63 17 10.2 7.3 5.7 4.4 3.9
0.63 ... 1.0 17.5 10.2 7.2 5.5 4.2 3.8
1.0 ... 1.6 17 10 7.1 5.6 4.4 4
1.6 ... 2.5 18 10.3 7.5 5.9 4.7 4.2
2.5 ... 4.0 18.4 11.5 8.1 6.4 5 4.6
4.0 ... 6.3 19 12 8.5 6.7 5.3 4.9
6.3 ... 9.0 18.2 11.5 7.9 6 4.5 3.8
9.0 ... 12.5 19 11.5 8 6 4.6 4
12.5 ... 16 19.5 11.5 7.5 5.4 4 3.3
16 ... 20 20 11.5 7.8 5.7 4,2 3.5
20 ... 25 20 10.4 7 5 3.7 3.2
Ident-numbers
of manual motor starters for motors with EEx e-Protection:
Type Ident-No.
MS325 3.53 - 1357/94 National Institute for Standards and Technology
MS450, MS495, MS497 Ex - 99.Y.74976 KEMA
Approvals and certifi cates
Device-Type Approvals, certifi cates Ship’s classifi cation societies
Test mark
EEx e
Abbreviation CSA ATEX GL LRS BV DNV
Validity Canada USA Germany Great Britain France Norway
MS116
MS325
MS450
MS495
MS497
Other approvals CCC/CB/GOST etc. on request
26
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