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Electromagnetic direct hold, von duprin DS4010 hfs atd
Von Duprin DS4010 HFS ATD US28
Electromagnetic Direct Hold Lock
HFS: Holding Force Sensor detects any reduction in holding force between the armature and the electromagnet.
ATD: Adjustable Time Delay provides delayed relocking from 0-45 seconds
Max Hold series have a testing holding force of 1800 pounds
Dual-coil technology provides field selection of 12 or 24 volts and built-in surge protection
All surfaces are plated or coated for maximum corrosion resistances
For hollow metal, aluminum and wood door applications.
