Undervoltage release 208 to 230V AC

Undervoltage release 208 to 230V AC Accessory for Alpha BSIII Panel Boards Undervoltage release unit to be fitted inside outgoing MCCB accessory compartment. Once fitted this will consume 3 accessory slots inside of the MCCB Must be fitted in accessory slots directly to the left of the toggle mechanism Ue 50/60Hz AC = 208…230V Upon loss of voltage supply this device trips the MCCB