Heavy-Duty Switching. Manual Control. Built to Last.
M.S. Industries’ Knife Type Changeover Switches are designed for dependable manual transfer between two power sources. Available in ratings ranging from 63A to 400A, these four-pole (FP) switches ensure safe operation and robust connectivity for industrial and commercial power systems.
The knife-blade mechanism delivers a quick and firm make-and-break action, minimising wear and maximising durability. Housed in a powder-coated metal enclosure, they offer added protection in demanding environments.

🔹 Available in 63A, 100A, 200A, 300A & 400A (415V)
🔹 Four Pole (FP) Design
🔹 Sturdy knife-blade mechanism
🔹 Heavy-duty terminals
🔹 Powder-coated metal enclosure
🔹 Ideal for industrial panels, workshops, and generator setups