Used for locking sell-machine, storage shelf, file cabinet and etc. Electromagetic lock is a mechanical lock controlled by the relay. The lock works as the circuits disconnects, and it will unlock as the instant power-on. Three ways of unlocking are for emergency, so there is no necessary to destroy the lock. It is energy-saving and had a long lifespan. In the anti-theft and shockproof design, the lock is better than other kinds of locks.
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