IEC 61439-1Low-voltage switchgear and controlgear assemblies - Part 1: General rulesMIG0603CB not needed. Max 14.8 kV impulse 1.2/50 and CWG 2 kV INS-1250500V - 30 kV impulse voltage generator INS-1250 Low-voltage switchgear and controlgear assemblies testingIEC / EN productIEC 61439-1