The DH Series Electromagnetic Fire Door Holders are constructed of durable die-cast metal and finished in a high luster double chrome or brass plating for an attractive appearance. Installation is easy—an adhesive template assures alignment without secondary adjustments. No brackets are required. Optional extension rods are also available for providing the proper gap distance between the door and wall. (Recess mounted door holder includes a 3-inch extension rod). The units offer superiority reliability with built-in transient protection and low residual magnetism so they release easily even on new ADA low pressure door closers.
- Extremely low current draw—15mA @ 24V saves on power supplies and backup batteries
- Dual voltage inputs in each unit reduces stocking requirements
- Low residual magnetism easily releases even on new ADA low pressure door closers
- Built-in transient protection
- Floor mount units are available as both single and double-coil
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