MS132-20B
Product ID:76155
Updated: 2026/4/3

Key Features
- 1Safeguard motors from short circuits, overloads, and phase failures without fuses. 2、Manually switch motors on/off with a clear rotary handle control. 3、Detect phase loss and disconnect the motor to prevent damage. 4、Adjust current settings to customize overload protection precisely. 5、Install easily in tight spaces with compact dimensions.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Net Width | 45 mm | Product Net Height | 97.8 mm |
| Product Net Depth / Length | 86.55 mm | Product Net Weight | 0.31 kg |
| Rated Service Short-Circuit Breaking Capacity (Ics) | (230 V AC) 100 kA (250 V DC) 3 Poles in Series 10 kA (400 V AC) 100 kA (440 V AC) 30 kA (500 V AC) 20 kA (690 V AC) 3 kA | Rated Ultimate Short-Circuit Breaking Capacity (Icu) | (230 V AC) 100 kA (400 V AC) 100 kA (440 V AC) 30 kA (500 V AC) 20 kA (690 V AC) 3 kA |
| Rated Instantaneous Short-Circuit Current Setting (Ii) | 300 A | Setting Range | 16 ... 20 A |
| Rated Operational Power AC-3 (Pe) | (400 V) Three Phase 7.5 kW | Rated Operational Power AC-3e (Pe) | (400 V) Three Phase 7.5 kW |
| Rated Operational Voltage | Main Circuit 690 V AC Main Circuit 250 V DC | Rated Operational Current (Ie) | 20 A |
| Rated Operational Current AC-3 (Ie) | 20 A | Rated Operational Current AC-3e (Ie) | 20 A |
| Rated Operational Current DC-5 (Ie) | 20 A | Rated Frequency (f) | Main Circuit 50 Hz Main Circuit 60 Hz |
| Operating Frequency (fsw) | 0 ... 400 Hz | Rated Impulse Withstand Voltage (Uimp) | Main Circuit 6 kV |
| Rated Insulation Voltage (Ui) | 690 V | Power Loss | at Rated Operating Conditions per Pole 1.5 ... 2.3 W |
| Number of Poles | 3 | Conventional Free-air Thermal Current (Ith) | Main Circuit 20 A |
| Degree of Protection | Housing IP20 Main Circuit Terminals IP10 | Pollution Degree | 3 |
| Electrical Durability | 50000 cycle | Mechanical Durability | 100000 cycle |
| Terminal Type | Screw Terminals | Connecting Capacity Main Circuit | Flexible with Ferrule 1/2x 0.75 ... 6 mm² Flexible with Insulated Ferrule 1/2x 0.75 ... 6 mm² Flexible 1/2x 1 ... 2.5 mm² Flexible 1/2x 2.5 ... 6 mm² Rigid 1/2x 1 ... 2.5 mm² Rigid 1/2x 2.5 ... 6 mm² |
| Tightening Torque | Main Circuit 2 N·m | Wire Stripping Length | Main Circuit 10 mm |
| Recommended Screw Driver | Pozidriv 2 | Mounting Position | 1 ... 6 |
| Mounting on DIN Rail | TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715 | Minimum Mounting Distance | Electrical Conductive Board, Horizontal - Up to 400 V 0 mm Electrical Conductive Board, Horizontal - Up to 690 V 1.5 mm Electrical Conductive Board, Vertical 75 mm Other Device Same Type, Horizontal 0 mm Other Device Same Type, Vertical 150 mm |
| Actuator Type | Rotary Handle | Contact Position Indication | ON / OFF / TRIP |
| Standards | IEC 60077-1 (applicable parts) IEC 60077-2 (applicable parts) IEC/EN 60947-1 IEC/EN 60947-2 IEC/EN 60947-4-1 | Remarks | UL508 Self-Protected Combination Motor Controller (Type E) in combination with feeder block S1-M3-xx |
| Short-Circuit Current Rating (SCCR) | Manual Self-Protected Combination Controllers (Type E), (480Y / 277 V AC) 30 kA Any UL Listed Fuses or Circuit-Breakers, Group Installations (480 V AC) 35 kA Any UL Listed Fuses or Circuit-Breakers, Group Installations (600 V AC) 35 kA Any UL Listed Fuses or Circuit-Breakers, Motor Disconnect (480 V AC) 30 kA Any UL Listed Fuses or Circuit-Breakers, Motor Disconnect (600 V AC) 18 kA Any UL Listed Fuses or Circuit-Breakers, Tap Conductor Protection in Group Installations (480Y / 277 V AC) 30 kA Any UL Listed Fuses or Circuit-Breakers, Tap Conductor Protection in Group Installations (600Y / 347 V AC) 18 kA | Maximum Operating Voltage UL/CSA | Main Circuit 600 V AC |
| Horsepower Rating UL/CSA | (200 V AC) Three Phase 5 Hp (208 V AC) Three Phase 5 Hp (220 ... 240 V AC) Three Phase 5 Hp (440 ... 480 V AC) Three Phase 10 Hp (550 ... 600 V AC) Three Phase 15 Hp | Full Load Amps Motor Use | (200 V AC) Three Phase 17.5 A (208 V AC) Three Phase 16.7 A (220 ... 240 V AC) Three Phase 15.2 A (440 ... 480 V AC) Three Phase 14 A (550 ... 600 V AC) Three Phase 17 A |
| Locked Rotor Amps | (200 V AC) Three Phase 105.8 A (208 V AC) Three Phase 102 A (220 ... 240 V AC) Three Phase 92 A (440 ... 480 V AC) Three Phase 81 A (550 ... 600 V AC) Three Phase 93 A | General Use Rating UL/CSA | (600 V AC) 20 A |
| Connecting Capacity Main Circuit UL/CSA | Flexible 1/2x 16-8 AWG Stranded 1/2x 16-8 AWG | Tightening Torque UL/CSA | Main Circuit 18 in·lb |
| Ambient Air Temperature | Around the Enclosure 0 ... +40 °C Operation -25 ... +70 °C Operation Compensated -25 ... +60 °C Storage -50 ... +80 °C | Ambient Air Temperature Compensation | Yes |
| Maximum Operating Altitude Permissible | 2000 m | Resistance to Shock acc. to IEC 60068-2-27 | 11 ms Pulse 25g |
| Resistance to Vibrations | 5g 3 ... 150 Hz | Shock and Vibration Withstand acc. to IEC 61373 | Category 1, Class B |
| Object Classification Code | F | ETIM 5 | EC000074 - Motor protective circuit-breaker |
| ETIM 6 | EC000074 - Motor protection circuit-breaker | ETIM 7 | EC000074 - Motor protection circuit-breaker |
| ETIM 8 | EC000074 - Motor protection circuit-breaker | eClass | V11.0 : 27370401 |
| UNSPSC | 39121521 | IDEA Granular Category Code (IGCC) | 4731 >> Manual Starters |
| Manufacturer ID | 1SAM350200R1013 |
Specifications may be subject to change without notice
