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The WFIS100 is a compact, insulated fused main switch rated at 100A AC21 - designed for safe isolation and protection of incoming supplies. Supplied with both 80A and 100A general-purpose fuses, this unit is ideal for consumer unit upgrades, EV installs, and sub-main distribution boards.
Constructed from non-combustible Bakelite and fitted with a cable shroud, it provides durable and reliable protection in residential, commercial, and light industrial environments. The fuse carrier can only be removed in the OFF position, adding a vital layer of safety during maintenance or fuse replacement.
- Rated at 100A AC21 – incoming supply protection
- Includes both 80A and 100A fuses (general purpose)
- Made from non-combustible Bakelite for high safety
- Cable entry capacity: 35mm x 35mm max
- Fuse removal lockout: only in OFF position
Commonly used for isolating meter tails, sub-boards, and dedicated EV or solar feeds where fused protection is required upstream.
