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.
- Extremely low current draw 15mA @ 24V saves on power supplies and backup batteries
- Recessed mount for lowest profile look
- Dual voltage inputs in each unit reduces stocking requirements
- Self-adjusting swivel catch-plate reduces installation time and adjusts to door alignment changes
- Optional extension rods make installation even faster
- Low residual magnetism easily releases even on new ADA low pressure door closers
- Built-in transient protection
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