Switch Fuse Unit
Switch Fuse units are fitted with sturdy side operating handle which drives the quick make break mechanism incorporating operating springs. Liberal sized tin plated terminals, suitable for aluminium cable/bus-bar termination are provided with terminal cover shields to prevent any accidental contact with live metal parts. Positive ON-OFF indication is provided on the switch door.
- Contacts are made of electrolytic copper electro-plated with silver, for better contact.
- Specially designed female contacts ensure low contact resistance and better arc-control.
- Fuse switches are designed for use with HBC Cartridge fuselinks with high-quality Ceramics in cream shade conforming to 15 2086.
- The enclosure is made of sheet steel, rust protected, phosphatized and powder coated.
- Fitted with removable bottom end plates provided with knock-outs for busbar/cables entry.
- Front accessible door, fitted with dust-excluding gaskets interlocked to prevent opening when the switch is in ON condition.
- Suitable for surface mounting.
Salient Features
- Thick Steel sheet enclosure with rigorous anti rat conditioning with seven tank process to ensure smooth & testing powder co finish against corrosive atmosphere.
- Suitable for surface mounting.
- Provision of conduit knockouts and detachable gland plates.
- Fully shrouded live parts.
- A type contacts are hard bright & tin plated for high conductivity & longer life.
- Entry holes are provided at top & bottom and also at rear side to facilitate cable connection from any side.
- Quick make and break mechanism independent of the speed of operating handle with door interlocking.
- Terminals suitable for accommodating aluminum/copper conductors.
- Rewireable fuse carriers can easily be replaced with fuse carriers to accommodate HRC fuse links.
Range
16 Amps & 32 Amps 240V, 50Hzin DP, TP & TPN in Deep Drawn Enclosure
63 Amps to 200 Amps 240V/415V, 50Hz in DP, TP & TPN in Fabrication Enclosure
Conformity to Standards
Switch Fuse Units
Conforming to the latest IS/IEC 60947-3 with ISI marked.
Degree of protection IP-23 and Utilization Category AC-23A