220V/380V To 277V/480V Wye, 3-Wire + Gnd, 65Ka/Module, Din Rail Mount, Local Fault Indication, Relay Contacts, Ul 1449 Ed 4, Type 1Ca, Iec 61643-11, Csa C22.2No 269.4 31Ak7961
120Vac, All Modes, 2-Module Design, 75Ka/Module, Din Rail Mount, Local Fault Indication, Relay Contacts, Ul 1449 Ed 4, Type 1Ca, Iec 61643-11, Csa C22.2No 269.4 31Ak7959
220V/380V To 277V/480V Wye, 3-Wire + Gnd, 100Ka/Module, Din Rail Mount, Local Fault Indication, Relay Contacts, Ul 1449 Ed 4, Type 1Ca, Iec 61643-11, Csa C22.2No 269.4 31Ak7957