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.

3RU2136-4HB1

The Siemens SIRIUS 3RU2136-4HB1 is an S2-size thermal overload relay with a current range of 40 to 50 A. Its stand-alone design eliminates the need for direct contactor mounting, making it suitable for control panel layouts with separate wiring.

3RU2136-4HB0

The 3RU2136-4HB0 belongs to the SIRIUS 3RU2 thermal overload relay S2 size series. It has a current setting range of 40...50A, is installed by direct contactor mounting, and has 1 NO + 1 NC auxiliary contacts. It is suitable for overload protection applications of medium and large three-phase motors.

3RU2136-4GB1

The 3RU2136-4GB1 belongs to the SIRIUS 3RU2 thermal overload relay S2 size series, with a current setting range of 36...45A. It is an independent installation type with 1 NO + 1 NC auxiliary contacts and can be installed separately in the control panel with a terminal block.

3RU2136-4GB0

The 3RU2136-4GB0 belongs to the SIRIUS 3RU2 thermal overload relay S2 size series, with a current setting range of 36...45A. It adopts a direct contactor mounting method and has 1 NO + 1 NC auxiliary contacts, making it suitable for medium and large three-phase motor protection applications.

3RU2136-4FB1

The 3RU2136-4FB1 belongs to the SIRIUS 3RU2 thermal overload relay S2 size series, with a current setting range of 28...40A. It is an independent installation type with 1 NO + 1 NC auxiliary contacts, suitable for stand-alone installation with terminal blocks.

3RU2136-4FB0

The 3RU2136-4FB0 belongs to the SIRIUS 3RU2 thermal overload relay S2 size series, with a current setting range of 28...40A. It adopts a direct contactor mounting method and has 1 NO + 1 NC auxiliary contacts, making it suitable for medium-sized three-phase motor protection applications.

3RU2136-4EB1

The 3RU2136-4EB1 belongs to the SIRIUS 3RU2 thermal overload relay S2 size series, with a current setting range of 22...32A. It is an independent installation type with 1 NO + 1 NC auxiliary contacts, suitable for stand-alone installation with terminal blocks.

3RU2136-4EB0

The 3RU2136-4EB0 belongs to the SIRIUS 3RU2 thermal overload relay S2 size series, with a current setting range of 22...32A. It adopts a direct contactor mounting method and has 1 NO + 1 NC auxiliary contacts, making it suitable for medium-sized three-phase motor protection applications.

3RU2136-4DB1

The 3RU2136-4DB1 belongs to the SIRIUS 3RU2 thermal overload relay S2 size series, with a current setting range of 18...25A. It is an independent installation type with 1 NO + 1 NC auxiliary contacts, suitable for stand-alone installation with terminal blocks.

3RU2136-4DB0

The 3RU2136-4DB0 belongs to the SIRIUS 3RU2 thermal overload relay S2 size series, with a current setting range of 18...25A. It adopts a direct contactor mounting method and has 1 NO + 1 NC auxiliary contacts, making it suitable for small and medium-sized three-phase motor protection applications.

3RU2136-4BB0

The 3RU2136-4BB0 belongs to the SIRIUS 3RU2 thermal overload relay S2 size series, with a current setting range of 14...20A. It adopts a direct contactor mounting method and has 1 NO + 1 NC auxiliary contacts. It is the model with the lowest current adjustable range in this series.

3RU2136-4AB0

The Siemens SIRIUS 3RU2136-4AB0 thermal overload relay features an S2 frame design, a current adjustment range of 11 to 16 amps, screw terminals for direct mounting to corresponding contactors, and Class 10 tripping characteristics suitable for three-phase motor overload protection.

3RU2126-4PB0

The Siemens SIRIUS 3RU2126-4PB0 thermal overload relay features an S0 frame, a current adjustment range of 30 to 36 amps, direct mounting to the contactor via screw terminals, and built-in 1NO+1NC auxiliary contacts. It is suitable for 18.5 kW three-phase motor protection.

3RU2126-4NB0

The Siemens SIRIUS 3RU2126-4NB0 thermal overload relay features an S0 frame, a current adjustment range of 23 to 28 amps, and screw terminals for direct mounting to the contactor. It also provides phase loss protection and is suitable for overload protection of approximately 15 kW three-phase motors.

3RU2126-4FB0

The Siemens SIRIUS 3RU2126-4FB0 thermal overload relay is an S0 frame series model with an upper current limit, an adjustment range of 34 to 40 amps, and screw terminals that can be directly mounted to the contactor. It is suitable for the protection of three-phase motors with a maximum current of 18.5 kW.