Relay (electric relay)

The Siemens SIRIUS 3RU2916-3AA01 is a dedicated independent mounting bracket for S00 size overload relays. It can be used with the 3RU21, 3RB30, 3RB31, and 3RR2 series relays. It is fixed to a 35mm DIN rail with screw terminals, making wiring and maintenance convenient.

The Siemens SIRIUS 3RU2900-1B has a 0.4-meter reset cable, is suitable for 3RU2 series S00 to S3 thermal overload relays, has a 6.5mm mounting hole diameter for easy manual reset from the outside of the panel, and is resistant to temperatures from -20°C to 70°C.

Siemens SIRIUS 3RU2146-4MB1 thermal overload relay, adjustable current 80...100 A, S3 size, stand-alone mounting type, with Class 10 operating characteristics and 1NO+1NC auxiliary contacts, supports manual/automatic reset switching.

Siemens SIRIUS 3RU2146-4MB0 thermal overload relay, adjustable current 80...100 A, S3 size, can be directly snapped onto corresponding contactors, has Class 10 operating characteristics and 1NO+1NC auxiliary contacts, supports manual/automatic reset.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.