ABB Tmax XT Shunt Opening Release for use with Tmax XT

The ABB cabled shunt opening release(SOR) allows the circuit-breaker to open by means of a non-permanent electrical control. Release operation is guaranteed for voltage between 70% and 110% of the rated power supply voltage Un, in both alternating and direct current. The SOR is equipped with a built-in limit contact to shut-off the power supply in the open position with the trip unit tripped. It has 140 x 110 x 60 mm net dimensions.

480 to 525 Vac rated voltage (Ur)
Suitable for withdrawable XT2 and XT4
Accessories for Tmax XT
Standard: IEC 60947-2