Heavy duty switches are available in 30-1200A ratings and in Type 1, 3R, 12 and 4X enclosures. Both fusible and non-fusible versions are offered. They can be used on circuits that are rated through 200K when protected by or used with Class R or J fuses. They feature quick make and break operation and visibleRead more about Siemens – Speedfax General and Heavy Duty Safety Switches[…]