2910374 | VAL-US-277/40/3+1-FM SKU: 2910374 Parent Item Parent Item - Additional Cost Has Item Option Details 2910374 | VAL-US-277/40/3+1-FM. Surge protective device four channel with remote indicator contact for 277/480 V AC 4-wire plus ground. Documentation Data Sheet DetailsDocumentationBack2910374 | VAL-US-277/40/3+1-FM. Surge protective device four channel with remote indicator contact for 277/480 V AC 4-wire plus ground.Back Data Sheet