3RB2056-2FC2

The Siemens SIRIUS 3RB2056-2FC2 solid-state overload relay is an S6 size relay with a Class 20 trip rating. The main circuit bus connection allows direct mounting of 3RT1054 to 1056 series contactors. The auxiliary circuit uses screw terminals and features overload and phase loss protection.

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The Siemens SIRIUS 3RB2056-2FC2 is an S6-size solid-state electronic overload relay. The main circuit bus connection can be directly mounted on 3RT1054~3RT1056 contactors, and the auxiliary circuit is designed with screw terminals.

Core Product Advantages and Features
Dedicated contactor direct mounting
It can be directly installed on Siemens 3RT1054, 3RT1055, and 3RT1056 series three-pole contactors without additional wiring.
Class 20 Overload Protection
The Class 20 trip rating is suitable for heavy-duty starter motors, preventing accidental tripping from affecting production line operations.
Screw terminal auxiliary circuit
The auxiliary circuit uses screw terminal connections, ensuring secure and stable wiring and facilitating maintenance and replacement.
Self-monitoring and testing functions
It has a built-in TEST testing function and self-monitoring mechanism, and provides indicator lights for switch positions.
project Specification
Current setting range 50...200 A
Size Specifications S6
Break away from level Class 20
Main circuit connection method Busbar type, suitable for 3RT1054/1055/1056 contactors
Auxiliary contacts 1 NO + 1 NC
Auxiliary circuit terminals Screw terminals
Reset method Manual/Automatic Reset