IEC 60947-3:1998
Low-Voltage Switchgear and Controlgear - Part 3: Switches@ Disconnectors@ Switch-Disconnectors and Fuse-Combination Units (Edition 1.2; Edition 1.0: 1990 Consolidated with Amendment 1: 1994 and Amendment 2: 1997; Replaces IEC 60408: 1985; Should be Used i