Type 1, EXTERNAL, 50kA, 480Y/277V 3PH 4W, N-G Protection. This part is being replaced by US2 TPS3E030500
Modified Industry Description
SPD, EXTERNAL, 50KA, 480Y/277V 3PH
Siemens TPS3E03050 Type 1 External Surge Protective Device, 480Y/277 VAC, 200 kA SCCR, 3 Phase
TPS3 03 is a UL 1449 3rd Edition 50 kA Type 1 compact surge protective device that can be used as a replacement secondary surge or lighting arrestors. Having a Type 1 designation allows for flexible electrical system connection location (line or load side) as well as UL 96A compliance (@ 20 kA In).