ABB | MS325-12.5
MMP, 690/440V AC/V DC, 12.5 A At 400 V, 3 Pole

MFR PART #  MS325-12.5
PART #  489745
Minimum 1 Each
Call for Availability


The MS325-12.5 manual motor starter is a 54 mm width devices with a rated operational current of Ie = 12.5 A. Trip class 10 A. Further features are the build-in disconnect function, temperature compensation, trip-free mechanism and a rotary handle with a clear switch position indication. Auxiliary contacts, signalling contacts, undervoltage releases, shunt trips, 3-phase bus bars, power in-feed blocks and locking devices for protection against unauthorized changes are available as accessory.


For Manually Switch On And Off Motors And To Protect Them Reliably And Without The Need For A Fuse From Short-circuits, Overload And Phase Failures. From 0.1 to 100 A, the MMS range combine motor control and protection in a single unit which can be equ ipped with many other accessories. Major applications for MMSs are small machine tools, pumps, compressors, etc.


  • UL Listed & CSA certified for 1600A group motor installation
  • Terminals supplied in the open position, screwdriver-guide holes
  • Touch-safe design : all connection terminals are protected against accidental touch.

Specification Description

Voltage Rating: 690/440 V AC /V DC
Amperage Rating: 12.5 A
Wattage: 5.5 kW At 400 V
Setting: 9 - 12.5 A
Number Of Poles: 3
Phase: 3 PH
Enclosure: IP20
Mounting: 1 - 6 Position
DIN Rail: TH35-15 (35 mm Length X 15 mm Width), TH35-7.5 (35 mm Length mm Width)
Connection: Screw Terminal
Operating Cycles: 100000 Cycles (Electrical/Mechanical Durability)
Operating Temperature: -25 To +70 deg C
Environmental Conditions: Storage Temperature: -40 To 70 deg C
Pollution Degree: 3
Wire Strip Length: 9Recommended Screw Driver: Pozidriv 2 / M3.5
Actuator: Rotary Handle
Connecting Capacity: Stranded, Flexible: (1 Or 2) 14 - 8 AWG
Storage Temperature: -50 To +80 deg C
Tightening Torque: 14 in-lb
Rated Impulse Withstand Voltage: 6 kV
Insulation Volt 690 V
Rated Instantaneous Short-circuit Current Setting (ii): 180 A
Power Loss: 1 - 1.8 W Per Pole
Breaking Capacity: Rated Service Short-Circuit/Rated Ultimate Short-Circuit: 100 kA At 230 V AC, 75 kA At 400 V AC, 45 kA At 440 V AC, 27 kA At 500 V A, 4.5 kA At 690 V AC
Frequency Rating: 50/60 Hz

Tech Info

C/US UL 508 Listed, CSA 22.2 No. 14, CE Certified, IEC/EN 60947-1, IEC/EN 60947-2, IEC/EN 60947-4-1 Approved, RoHS Compliant


Rating IP20
UNSPSC Code 39121521

Spec Sheet

Spec Sheet

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