ABB MS325 Technical data

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

40 20

6 4

2 1

min

40 20

6 4

2 1

0.6

Tripping time

0.4

0.2

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

• 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

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

380VAC 1.5 500VAC 1.2

DC11 up to 60VDC 1.5

110VDC 1 220VDC 0.3 440VDC 0.1

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

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



 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

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

up to V 690 AC/440 DC 690 AC/440 DC 690 AC/440 DC 690 AC/440 DC

kV 6 6 6 6

imp

A 16 25 50 100

Rated frequency  Hz 50/60

Rated current ranges I

(number of ranges) (11) (14) (7) (6)

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.

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

+ 4 hidden pages

ABB MS325 Technical data

Specifications and Main Features

Frequently Asked Questions

User Manual