WGJ anti-overroll switch, also known as hook limit switch or heavy hammer limit switch, is an electrical automatic protection switch used for the anti-overroll limit of hoisting machinery wire ropes. Its dustproof and waterproof rating reaches IP66.

The switch is matched with a weight of appropriate weight, and the switch is disconnected or turned on when the hook is lifted or lowered by the up and down movement of the hook, so as to automatically cut off the power supply of the hoist and connect to the braking system, so as to limit the overwinding of the wire rope and achieve the The purpose of lifting the hook within a certain height.

Reliable and durable

Zinc alloy casting, compact structure, dustproof and waterproof grade IP66; selected high-quality accessories

state adjustable

The normally open and normally closed state of the switch can be adjusted on site and can be applied to the lifting height control of various hooks.

Easy to install

The installation is simple, and many users have received good feedback on their own installation for many years, and they have received good feedback on their own reset and relocation.

WGJ anti-over-roll switch is suitable for bridge gantry cranes, truck cranes, crawler cranes and other types of boom bridge cranes.

Engineering cases