... seller product 8NO 8NC auxiliary switch for HV switchgearsMain Application Being used as auxiliary device for High-voltage circuit-breaker, high- ... 3000m)t=+25, relative air humidity ≤ 90%Situation of no sharp pounding, no explosion risk, no inductive dust, no air ... Breaking CurrentDC220V, V=20ms3110V,V=20ms6AC220V, cosφ=0.410 Types for your reference: ' Customization is available.If you have any ...