Salient Features Conforms to IS : 13947 Part 1 & 3 / IEC : 60947 Part 1 & 3. Quick make and break operating mechanism. Compact design saves space Highest fused Short Circuit Capacity. Quick make / Quick break / Positive break. High clearance & Creepages. Maximum ground Clearance. Replaceable contacts for enhanced life Range 63A to 630A (Open Execution / With Enclosure)