The Lockwood Magnetic Hold Open EMH50 Series of hold open magnets can work as standalone units or with an integrated fire system. These fail safe devices will automatically release when connected to a fire detection system.
Some models include integrated interrupter buttons giving the ability to open or close the door manually at any time. Other models have integrated soft close shock absorbers for silent operation in, for example, Hospitals.
The Lockwood EMH50 Arm can be used with any of the EMH50 Series.ce needs constant power and no "smarts" are required. If you require assistance with your selection please contact us either by email or phone. | 
