The Iron Clad H C Type DP & TP Switch Fuses are built for rugged and long-lasting performance in demanding electrical environments. Available in 16A to 63A ratings for 240V / 415V systems, these switch fuses feature a strong, lightweight, rigid cast iron body with a dark gray hammer tone stove enameled finish for extended durability. With an on-load quick make & quick break mechanism interlocked with the switch cover, they ensure safe operation. The use of electrolytic copper moving contacts provides excellent conductivity and reliable performance.