Procurement Zone

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.

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.

The Siemens SIRIUS 3RU2126-4EC1 thermal overload relay features an S0 frame, a current adjustment range of 27 to 32 amps, spring-loaded screwless terminals, and independent mounting, eliminating the need for direct mounting to the contactor and enabling quick wiring.

The Siemens SIRIUS 3RU2126-4EB1 thermal overload relay features an S0 frame, a current adjustment range of 27 to 32 amps, screw terminals, and independent mounting. It can be individually fixed according to the space requirements of the distribution panel and is a non-contact wall-mounted model.

The Siemens SIRIUS 3RU2126-4EB0 thermal overload relay features an S0 frame, a current adjustment range of 27 to 32 amps, screw terminals for direct mounting to the contactor, and built-in 1NO+1NC auxiliary contacts, providing protection for approximately 15 kW three-phase motors.

The Siemens SIRIUS 3RU2126-4DB1 thermal overload relay features an S0 frame, a current adjustment range of 20 to 25 amps, screw terminals, and independent mounting. It is not directly mounted on the contactor and is suitable for separate fixed installation within a distribution panel.

The Siemens SIRIUS 3RU2126-4DB0 thermal overload relay features an S0 frame, a current adjustment range of 20 to 25 amps, and screw terminals for direct mounting to the contactor. It is suitable for three-phase motor protection of approximately 11 kW at 400V and approximately 22 kW at 690V.

The Siemens SIRIUS 3RU2126-4CC0 thermal overload relay features an S0 frame, a current adjustment range of 17 to 22 amps, spring-loaded screwless terminals for direct mounting to the contactor, and provides overload protection for approximately 11 kW three-phase motors.

The Siemens SIRIUS 3RU2126-4CB1 thermal overload relay has a current setting range of 17~22A. Both the main and auxiliary circuits use screw terminals, allowing for independent installation. It is suitable for S0 size contactors, has a Class 10 tripping rating, and provides stable and reliable motor overload protection.

The Siemens SIRIUS 3RU2126-4CB0 thermal overload relay has a current setting range of 17~22A, a screw terminal design, and can be directly mounted on an S0 size contactor. It has a Class 10 tripping rating and is suitable for overload protection in motor starting circuits.

The Siemens SIRIUS 3RU2126-4BC0 thermal overload relay has a current setting range of 14~20A. Both the main and auxiliary circuits use spring-loaded terminals for quick connection and can be directly mounted on an S0-size contactor. It is a Class 10 tripping relay.

The Siemens SIRIUS 3RU2126-4BB1 thermal overload relay has a current setting range of 14~20A. Both the main and auxiliary circuits use screw terminals, allowing for independent installation. It is suitable for S0 size contactors, has a Class 10 tripping rating, and protects motor circuits.

The Siemens SIRIUS 3RU2126-4BB0 thermal overload relay has a current setting range of 14~20A, a screw terminal design, and can be directly mounted on an S0 size contactor. It has a Class 10 tripping rating and is suitable for overload protection in motor starting circuits.

The Siemens SIRIUS 3RU2126-4AJ0 thermal overload relay has a current setting range of 11~16A. Both the main circuit and auxiliary circuit use ring-shaped lug terminals, which can be directly mounted on an S0 size contactor. It has a Class 10 tripping rating.

The Siemens SIRIUS 3RU2126-4AB1 thermal overload relay has a current setting range of 11~16A. Both the main and auxiliary circuits use screw terminals, allowing for independent installation. It is suitable for S0 size contactors, has a Class 10 tripping rating, and protects motor circuits.