1876186 by Eaton, Cutler Hammer, and Westinghouse WESTINGHOUSE PHASE BALANCE CURRENT RELAY TYPE CM 1-3 AMPS 60 HZ 3 PHASE INSTRUCTION LEAFLET 41-181.1 INCLUDES CASE CAT# 1876186 Reconditioned Inventory Code: B Make an Offer Send to a Friend WHSE Code: C13C1, VS4A1 Return To Motor Controls