Accessory variant: Mounting bracket
For use with: Series 3RB30, Series 3RB31, Series 3RU21

CE, UL, CSA. Screw terminal blocks can only be used with overload relays for screw terminal blocks, and spring terminal blocks can only be used with overload relays for spring terminal blocks. Overload relays - Series 3RU. Switch position indicator and test function, stop button, selector switch for manual/automatic reset. Available in screw terminal or spring clamp versions. Impulse voltage withstand 6 kV, insulation voltage 690 V. Mounting brackets available for surface or DIN rail installation. The thermal overload relays 3RU21 up to 80 A are designed for the protection of current-sensitive loads with normal starting. These thermal overload relays are intended for use with Sirius contactors sizes S0 and S00.