Discuss the advantages and disadvantages of entrance guard electromagnetic locks

Also known as electromagnetic locks, magnetic locks used for steel doors, wooden doors, be applied is the entrance guard system of an electric lock, in the school, enterprise, unit, such as widely used, has provided the safeguard for the safety of the people.

magnetic lock using the electromagnetic theory, after electrify magnetic lock experience, through the magnetic force to control the switch of door lock.Because there is the small magnetic magnetic locks so powerful, if more than the limit of force, magnetic lock can be opened, common on the market of 180 kg, 280 kg, 380 kg, you can choose according to the specific place of use of different magnetic solenoid lock.

magnetic lock performance is stable, safe and reliable, low malfunction, its installation is very convenient, and it is different from the electric plug lock installation need to dig a hole, just go trough, with screw screws can finally complete the installation.And electromagnetic lock very province electricity, in the case of power will automatically unlock, conform to the requirements of the fire.

but electromagnetic lock still have some shortcomings, such as it is to install on the top of the threshold, needs to be exposed, it has affected the beautiful, the other magnetic locks limited to the installation position, the door can only be opened in one direction.(http://www.nthuanli.cn/)