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