Modular design structure, with a flexible combination of the use of glass fiber reinforced unsaturated engineering plastics shell, has a high dielectric properties, protection and reliable operational safety.
The operating mechanism is a spring accumulator, an instantaneous release of the acceleration mechanism, instantaneous connection and breaking the double break contact structure. It has nothing do with the operation of the handle, having a variety of structure and mode of operation,a direct observation of the state of the window off the contact, with inside cabinet, outside cabinet, back cabinet operation, and also front operation, side operation,a board wiring.
Switches has handsome shape, is small-sized and fullfeatured. They are the ideal choice among the similar products.

· The acceleration mechanism released instantaneously when the spring is storing energy allows a fast turn on or off, which has nothing to do with the operating handle speed, greatly improving the ability to extinguish the arc.
· The shell is made of glass fiber reinforced unsaturated polyester resin. It has good flame-retardant properties, dielectric properties, carbonation resistance and impact resistance.
· Parallel double-break contact with self-cleaning effect.
· All contact materials are copper-silver alloy with two separate contact faces.
· Isolation distance is long.
· In the”O”position, can also lock the handle with three locks, reliable to avoid mistakes.