The 3RV101 MSP's can be used as components in Group Installation per NEC 430-53(c) to turn motors on and off. Each device has built-in heater eleements that provide overload protection and  magnetic trip elements to protect the motor. When the 3RV101 is used as a component in Group Installation, multiple MSP's can be installed below one circuit breaker to protect its own motor. A contactor can be mounted to the MSP to provide a remotely operated starter.
- ON/OFF rocker mechanism with lockout
- Adjustment dial for setting to motor FLA
- Class 10 overload trip
- Short circuit trip at 12 x FLA
- Phase loss sensitivity
- Test trip function
- Auxiliaries and Accessories available
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