Live MS4100 4 Pole 100A Main Switch

The Live Electrical MS4100 4 Pole 100 A Main Switch is a heavy‑duty mains isolation switch designed for use in UK electrical distribution boards, panels, and three‑phase systems. Built for reliable performance, this 100 A rated switch provides secure circuit isolation and control, making it ideal for electricians, contractors, and industrial installations requiring a dependable main isolator solution.