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Electromagnetic Locks, In case of DC power to take shape with the strength of the metal become a magnet locks are developed on the basis of logic.
500KG, 1100 lbs, with a holding force products are suitable for doors. They can be used for sliding doors and folding doors. However, electromagnetic locks used with sliding doors and used with folding doors are different. 500 KG \ 'health products, wood, aluminum, steel, glass and similar doors to all kinds of tricks with mounting fixtures can be easily assembled.
In case of power failure electromagnetic locks, magnets lose their property and money for the metal are released.