Dortronics updates ET Timer

The new universal electronic time delay from Dortronics, an expanded version of its AT/FT time delay, can be added as an option to many of Dortronics' push buttons, key switches and sounders. It provides an adjustable one-to-60 second time delayed DPDT - 3 Amp dry contact output. The device can be triggered from a normally open contact or a normally closed contact. Applications include delayed re-locking control for electric locking hardware, or as an alarm shunt. Using a 12-to-24 volt DC supply, this device is also offered factory configured to provide exit alarm and door prop functionality.
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