Siemens 3RV10110JA25 Contactor

Siemens 3RV10110JA25 is a three-pole motor protection circuit breaker (MPCB) from the Siemens 3RV family, used to protect small AC motors from overload in control panels and motor starters. It is a size S00 device featuring a transverse auxiliary contact block (1 NO + 1 NC) for signaling and interlocking. The unit is rated to handle up to 690 V and has a nominal current setting range of 0.7 to 1 A. The catalog number is listed as 3RV10110JA25, with equivalents such as 3RV1011-0JA25 commonly referenced in the market. This MPCB is designed for motor protection within starter assemblies, typically paired with contactors to provide coordinated overload protection for compact motors.