IEC 62771-1High-voltage switchgear and controlgear - Part 1: Common specifications for alternating current switchgear and controlgear MIG14403Insulation tester 1.2/50 with two source impedances: 48 Ohm and 500 Ohm. Up MIG14403 High-voltage switchgear and controlgear testingIEC / EN productIEC 62771-1
