Abb is one of the leading manufacturer and supplier of different types of capacitor fuses that are specially made for protecting power capacitors. The outdoor current limiting fuses type wbwm by abb are designed mainly for protection of pole mounted distribution transformers. They have special knife contacts for easy replacement of blown fuses. Tested according to iec 282-1. Specifications are as follows:
1 operating voltage [kv]- 7.2 - 36
2 nominal current [a] -3 - 100
3 breaking capability [ka] - up to 40
4 operating temperature [°c] - -20° to +40°