3RB2056-1FC2
The Siemens SIRIUS 3RB2056-1FC2 solid-state overload relay is an S6 size, Class 10 tripping relay. It features a main circuit bus connection for direct mounting of 3RT1054 to 1056 series contactors, auxiliary circuit screw terminals, and overload and phase loss protection.
Product Positioning
The Siemens SIRIUS 3RB2056-1FC2 is an S6-size solid-state electronic overload relay. Its main circuit bus connection can be directly mounted on 3RT1054~3RT1056 contactors, making it suitable for motor protection during standard starting.
Core Product Advantages and Features
Dedicated contactor direct mounting design
It can be directly installed on 3RT1054, 3RT1055, and 3RT1056 series large contactors, simplifying panel wiring.
Class 10 standard protection
It breaks away from Class 10 and meets the standard overload protection requirements for general starter motors.
Built-in power supply and self-monitoring
It features an internal power supply and self-monitoring function, and provides a TEST test button.
Manual/Automatic Reset Switch
Manual or automatic reset can be selected according to on-site needs, making maintenance more flexible.
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3RB2056-1FW2
The Siemens SIRIUS 3RB2056-1FW2 solid-state overload relay is an S6 size relay with a Class 10E tripping rating. The main circuit uses a through-type current transformer connection, and the auxiliary circuit uses screw terminals. It supports manual and automatic reset.