3 Phase Surge Protector, 480/277Vac, DIN Rail Mount, For Use In 3 Phase Wye Star 4 Wire and Ground Circuit, UL1449 4th Edition, ASISP320-3PN

The ASISP320-3PN is a three phase surge protector that is DIN rail mounted, has 4 Poles, and is used with 3 Phase Wye 480/277 Vac, MOV (L-N) and GDT (N-G) applications. This 3 phase surge protector is UL1449 4th edition with a max continuous operating voltage of 320 Vac. The response time is less than or equal to 25 ns for MOV and less than or equal to 100 ns for GDT. The ASI SPD device has a factory tested SCCR rating of 200kA.