Siemens

Kenxin Motors, a Siemens distributor, imports circuit breakers, electromagnetic contactors, and low-voltage power distribution equipment from Siemens, the German industrial giant founded in 1847. Kenxin Motors supplies 100% original Siemens certified switching control components to assist in building automated systems that comply with international safety regulations for smart manufacturing and energy management.

3RU2146-4LB1

Siemens SIRIUS 3RU2146-4LB1 thermal overload relay, adjustable current 70...90 A, S3 size, stand-alone mounting type, does not need to be directly assembled with contactor, has Class 10 operating characteristics and 1NO+1NC auxiliary contacts.

3RU2146-4LB0

The Siemens SIRIUS 3RU2146-4LB0 thermal overload relay is an adjustable current relay (70...90 A), S3 size, and can be directly mounted on a corresponding contactor. It features Class 10 operating characteristics and 1 NO + 1 NC auxiliary contacts, and supports manual/automatic reset.

3RU2146-4KB1

Siemens SIRIUS 3RU2146-4KB1 thermal overload relay, adjustable current 57...75 A, S3 size, independent mounting type, can be fixed to a rail or panel, with Class 10 operating characteristics and 1NO+1NC auxiliary contacts.

3RU2146-4KB0

The Siemens SIRIUS 3RU2146-4KB0 thermal overload relay has an adjustable current of 57...75 A, is S3 size, and can be directly snapped onto the corresponding contactor. It features Class 10 operating characteristics and 1NO+1NC auxiliary contacts, and supports manual/automatic reset.

3RU2146-4JB0

The Siemens SIRIUS 3RU2146-4JB0 thermal overload relay has an adjustable current of 45...63 A, is S3 size, and can be directly mounted on the corresponding contactor. It features Class 10 operating characteristics and 1 NO + 1 NC auxiliary contacts, and supports manual/automatic reset.

3RU2146-4HB0

The Siemens SIRIUS 3RU2146-4HB0 thermal overload relay is an adjustable current relay (36...50 A), S3 size, and can be directly mounted on a corresponding contactor. It features Class 10 operating characteristics and 1 NO + 1 NC auxiliary contacts, and supports manual/automatic reset.

3RU2146-4FB1

This product is a Siemens SIRIUS 3RU2146 series S3 size thermal overload relay with a current adjustment range of 28 to 40A. It conforms to IEC standard Class 10 tripping characteristics and has one set of normally open and one set of normally closed auxiliary contacts. It can be installed and used independently of a contactor.

3RU2146-4FB0

The Siemens SIRIUS 3RU2146-4FB0 is an S3-size thermal overload relay with a current range of 28 to 40 A. It is designed for direct mounting on the 3RT204 series contactor, simplifying installation space and facilitating wiring. It complies with IEC three-phase motor protection standards.

3RU2136-4RB0

The Siemens SIRIUS 3RU2136-4RB0 is an S2-size thermal overload relay with a current range of 70 to 80 A, the highest current rating in its series. It can be directly connected to the 3RT203 series contactor and features manual/automatic reset switching.

3RU2136-4QB1

The Siemens SIRIUS 3RU2136-4QB1 is an S2-size thermal overload relay with a current range of 47 to 57 A. Its stand-alone design eliminates the need for direct contactor mounting, making it suitable for control panel layouts with separate wiring.

3RU2136-4QB0

The Siemens SIRIUS 3RU2136-4QB0 is an S2-size thermal overload relay with a current range of 47 to 57 A. It can be directly connected to the 3RT203 series contactor. Both the main and auxiliary circuits use screw terminals and comply with IEC motor protection standards.

3RU2136-4KB0

The Siemens SIRIUS 3RU2136-4KB0 is an S2-size thermal overload relay with a current range of 62 to 73 A. It can be directly connected to the 3RT203 series contactor, meets Class 10 tripping rating, and is suitable for high-power three-phase motors.

3RU2136-4JD0

The Siemens SIRIUS 3RU2136-4JD0 is an S2-size thermal overload relay with a current range of 54 to 65 A. The difference between it and the 4JB0 model with the same current value is that the auxiliary circuit uses a spring-loaded terminal design, allowing for tool-free, quick crimping of the wiring.

3RU2136-4JB1

The Siemens SIRIUS 3RU2136-4JB1 is an S2-size thermal overload relay with a current range of 54 to 65 A. Its stand-alone design allows for independent configuration on a control panel and is suitable for distributed wiring configurations.

3RU2136-4JB0

The Siemens SIRIUS 3RU2136-4JB0 is an S2-size thermal overload relay with a current range of 54 to 65 A. It can be directly connected to the 3RT203 series contactor, meets Class 10 tripping rating, and features manual/automatic reset switching.