Havells india ltd manufactures and supplies a comprehensive range of fuse switch & switch fuse units as part of their various electrical and power distribution equipments. The short circuit breaking capacity of 80 ka at 415v is suitable for utilization category ac-22a/ac-23a. Four frame sizes cover complete range. These heavy-duty fuse switches are provided with door interlock facility. Other salient features of fuse switches and switch fuse units include positive indication of contacts, double break with side handle operation, sheet steel enclosure duly phosphatised and powder painted, suitable for surface mounting. Switch fuses have provision of conduit knockouts and detachable gland plates. These products are manufactured maintaining iec: 60947-1&3 / is: 13947 - 1&3 specifications.
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