BCQ Weight Overload Limiter

Weight overload limiter is a protection device used on various wire rope electric hoists. The weight overload limiter is designed with humanized features and various functions to meet the requirements of different customers in different applications with the advantages of simple structure, high security, easy installation and convenient to use and maintenance, etc.

Components of weight overload limiter

Weight overload limiter is mainly consisted of components such as, sensor attached to electric box, pinch device, control box and display instrument.

Functions of weight overload limiter

Weight overload limiter is designed to prevent accident caused by overloading to ensure safety. Weight overload limiter is multi-functional, with the features of audible alarm, immediate alarm, cutting off the lifting motor circuit and heavy weight display, etc. What’s more, the weight overload limiter is humanized, with the functions of zero tracking, a key to clear, simple calibration, self-inspect and failure indication etc.

Features of weight overload limiter

General features of weight overload limiter are mainly as follow:

1. Aplicación: Overload limiter is usually used on 1-32 ton hoist. As a traditional connection set, overload limiter also can be widely applied to all kinds of CD, MD electric hoist.
2. Sensor type: The sensor type of weight overload limiter is wire rope side pressure.
3. Overload capacity: The overload capacity of weight overload limiter is 1.5 times rated load.
4. Monitoring accuracy: Display error≤3%, action error≤±3%, composition error≤5%.
5. Alarm point set: Delay alarm starting point  is 105% of rated lifting capacity; immediate alarm starting point is120% of rated lifting capacity
6. Main function: The main functions of weight overload limiter is audible and visual alarm, controlling lifting.
7. Control output form: One group of normally closed contactor; capacity: 5A
8. Power: 380V,50Hz
9. Ambiente de trabajo: -20℃～60℃,≤90%RH

Applications of weight overload limiter

Weight overload limiter has a wide application due to the high safety and efficiency. They can work with all kinds of CD, MD electric hoists, and  be applied to various industries, such as, metallurgy, machinery, mine, iron, dock and warehouse etc.

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