Abb MS325 motor circuit breaker 75Ka 9.0-12.5A EP 945 8

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ABB EP 945 8 4013614194368

Abb motor protection circuit breaker, MS325 series, with the following characteristics:

  • Rated service short-circuit capacity (230 Vac) 75 kA
  • Rated extreme short-circuit capacity (230 Vac) 75 kA
  • Rated instantaneous short-circuit current setting 180A
  • Setting range 9.0 ... 12,5A
  • Rated operating voltage Main Circuit 690 Vac - Main Circuit 440 Vdc
  • Rated impulse withstand voltage (Uimp) Main circuit 6 kV
  • Rated insulation voltage (Ui) 690 V
  • 3 poles
  • 2.5 modules

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Abb MS325 motor circuit breaker 75Ka 9.0-12.5A EP 945 8

€73.15 Tax included
€73.15

Abb MS325 motor circuit breaker 75Ka 9.0-12.5A EP 945 8

€73.15
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Abb MS325 motor circuit breaker 75Ka 9.0-12.5A EP 945 8

€73.15

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The motor circuit breaker switch is installed on the cable supplying the motor and, when the motor stalls due to a mechanical effect or (in three-phase systems) because a phase fails, it detects excessive absorption and automatically cuts off the electrical power, thus safeguarding the integrity of the motor.

 

 

Features:

  • Abb series
  • Rated service short-circuit rating (230 Vac) 75 kA
  • Rated extreme short-circuit capacity (230 Vac) 75 kA
  • Rated instantaneous short-circuit current setting 180A
  • Setting range 9.0 ... 12,5A
  • Rated operational power AC-3 (Pe) (400 V) Three-phase 5.5 kW
  • Rated Operating Voltage Main Circuit 690 Vac - Main Circuit 440 Vdc
  • Rated Operating Current 12.5A
  • Rated Operating Current AC-3 12.5A
  • Rated Frequency Main Circuit 50 Hz/60 Hz
  • Rated impulse withstand voltage (Uimp) Main Circuit 6 kV
  • Rated insulation voltage (Ui) 690 V
  • Power Loss at Rated Operating Conditions per Pole 0.9 W
  • 3 poles
  • 2.5 modules
  • Degree of protection Housing IP20 - Main circuit Terminals IP20
  • Pollution degree 3
  • Main Circuit Tightening Torque 1.4 Nm
  • Type of actuator Rotary handle
  • Terminal type Screw terminals
  • Contact position indication ON OFF
  • Conventional free air thermal current (Ith) Main circuit 12.5 A
  • Width 54 mm
  • Height 87.5 mm
  • Depth 75.5 mm
  • Net weight 0.34 kg
  • Electrical life 50000 cycles
  • Mechanical life 100000 cycles
  • Type of terminal Screw Terminals
  • Cable stripping length Auxiliary circuit 8 mm - Main circuit 10 mm
  • Recommended screwdriver M3.5 Pozidriv 2
  • Mounting position Position 1 to 6
  • Amperage UL/CSA 12.5 A
  • Maximum permissible operating altitude 2000 m
  • Shock resistance acc. to IEC 60068-2-27 11 ms pulse 15 g
  • Vibration resistance acc. to IEC 60068-2-6 - 5g / 10 ... 150 Hz

 


Ambient temperature

  • Operating: Around housing 0/+40 °C
  • Operating -25/+50 °C
  • Operating Compensated -25/+50 °C
  • Storage -50/+80 °C

 

Main cable-circuit cross-sections

  • Flexible with ferrule 1/2x 0.75 ... 4 mm²
  • Flexible with insulated ferrule 1/2x 0.75 ... 4 mm²
  • Flexible 1/2x 1 ... 6 mm²
  • Rigid 1/2x 1 ... 6 mm²

 


DIN rail mounting

  • TH35-15 (mounting rail 35 x 15 mm) acc. to IEC 60715
  • TH35-7.5 (mounting rail 35 x 7.5 mm) acc. to IEC 60715

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Data sheet

Type:
Motor protection
Modules:
2.5
Poles:
3P
Power:
75KA
Amps:
9.0-12.5 A

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