Closing release, Accessories, 4000 to 6300 A, Voltage release, Closing releases, Standard/Approval: IEC, A closing release can be combined with a shunt release and an undervoltage release or with an undervoltage release or with a second shunt release., Rated control voltage: Us 48 DC V, For use with: IZM20, 32, 40, 63…, IN20, 32,40, 63…, If ordered separately a secondary terminal unit IZM‐SEC‐… is necessary for connection. Order separately if required. Terminal assignment page 71