define fail safe

RELATED FAQS

Question
Answer
The Schlage ES-6400 Electric Strike has been rebranded to Von Duprin 6400 Series Electric Strike, making Allegion’s full electric strike portfolio Von Duprin branded.  All product featu...
Information available at:  http://us.allegion.com/products/system_components/electric_strikes/pages/mortise_cylindrical.aspx Overview, Features and Benefits, Technical Specifications, Wi...
The new motor driven ND electrified locks shipped after March 14, 2016 do not require a solenoid. The Schlage ND-Series electrified locks shipped prior to March 14, 2016 would have used a...
The sliders are different between the 6211 and 6211WF.  The FS slider part number for the 6211 is 970388 and for the 6211WF is 970387.
Falcon began offering an RX switch with its electrified functions beginning January 17th 2012.  To specify, add "RX" to the end of the part number. Example:  Storeroom Function...
The MA RX features a single switch within the chassis that will monitor both the inside and outside knob/lever.  The switch is only available as Normally Open (NO).
Follow these questions to determine which Von Duprin electric strike model you have 1. What type of hardware is latching to the electric strike?   2. Single or pair ...
See Catalog to identify specific model: Von Duprin Electrical Security Products and Accessories Catalog
The 4600 Series operator has both a 12VDC and 24VDC output rated at 1A (combined load) to power strikes, maglocks, and other devices, but an EL device "always" has to have a separate PS914-2RS Seri...