New family of electromagnetic door holders

Dorma offers product to meet design needs
By Jerry Whitcomb
June 1, 2007
COMMERCIAL : HARDWARE

Dorma Architectural Hardware of Reamstown, Pa., offers the EM series of maintenance-free electromagnetic door holders. Composed of a door-mounted catch plate and a floor- or wall-mounted electromagnet, the holders are ideal whenever doors are normally held in the open position, but must close during an alarm condition. They are suitable for schools, universities, hospitals, convention centers and hotels.

The EM series magnets offer reliability with built-in protection and low-residual magnetism, so they release easily even in applications that use minimal spring force door closers to meet the Americans with Disabilities Act requirements. Brackets are not required for recessed, flush or surface mounting. The secure catch plate on the door features a ball-shaped pivot arm for adjustability to further ensure perfect alignment.
EM series, electromagnetic door holders
Optional extension rods from 1.5 inches to 12 inches are available to accommodate greater distances between the door and wall.
The EM series offers field-selectable voltage: either 24 Volts Alternating Current, 24 Volts Direct Current, or 120 VAC. The low current draw allows savings on power supplies and backup batteries. Vandal resistant, the door holders cannot be disassembled by hand.

To meet design needs, powder coated aluminum and powder coated dark duronodic bronze finishes are available standard, along with optional painted gold. For more information or an EM series product brochure, call 800/523-8483 or visit www.dorma.com/usa.

Dorma Group North America comprises Dorma Architectural Hardware, Dorma Automatics, Dorma Glas, Dorma Canada, Dorma Mexico, Crane Revolving Doors, Carolina Door Controls Inc., and Modernfold. The group is part of Dorma Group worldwide headquartered in Germany.

 

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The author is product manager, Door Controls, Dorma Architectural Hardware, Reamstown, Pa., jwhitcomb@dorma-usa.com, 717/336-3881, ext. 4314.