What is a circuit breaker lock and its classification

A circuit breaker lock is a type of electrical protection appliance, especially a lock that prevents the circuit breaker from being misoperated. A circuit breaker refers to a switching device that can turn on, load and turn off current under normal circuit conditions, and turn on, load and turn off current under abnormal circuit conditions (including short-circuit conditions) within a specified time. Circuit breakers can be used to distribute electrical energy and manage the power supply to a plant. When the equipment in the factory is operating normally, the circuit breaker needs to be locked out to prevent someone from turning off the circuit breaker and interfering with normal production activities. When the equipment and lines in the plant need to be repaired, the circuit breaker also needs to be locked to protect the life of maintenance personnel. Types of circuit breaker locks: Circuit breaker locks are usually divided into four types: miniature circuit breaker locks, large circuit breaker locks, general circuit breaker locks and small circuit breaker locks. 1. Miniature circuit breaker lock: The miniature circuit breaker lock is made of high-strength resin, which is easy to lock. 2. Large-size circuit breaker locks: New Viken large-size circuit breaker locks are made of high-strength resin and are impact-resistant. Stainless steel serrations make the lock stronger and suitable for use above circuit breakers. Unique design for 380v/600v circuit breakers and circuit breakers with maximum handle widths of 41mm and 15.8mm 3. Universal circuit breaker lock: The circuit breaker lock is made of steel, zinc, aluminum alloy, and high-strength nylon, which is sturdy and durable. The slider is designed to be in place at one time and easy to use. It can be used with padlocks or cable locks and represents a new generation of circuit breaker locks. 4. Small circuit breaker lock: The new small circuit breaker lock is made of high-strength resin. The unique shark mouth design teeth are made of stainless steel and come with set screws for a stronger bite on the breaker handle. Through the adjustable baffle plate and the scales on both sides of the lock, the switch length of various circuit breaker handles can be submitted, effectively controlling the loosening of the handle and making it safer.

Post time: Sep-05-2022