Cycle testing for power supplies


ANSI grade one cycle test is 500,000, grade two is 250,000 and grade three is 100,000.
The Von Duprin PS914-2RS retracts the EL or QEL device approximately 200 times with five second hold time after each pull.
To keep the Von Duprin electric latch retraction EL or QELA exit device dogged (retracted) all day, have your access control, Key pad, key switch, fire alarm contact or any other signals ...
Inadequate power or wrong gauge wire is used.  The inrush current demand by CX will overload and shutdown the power supply if undersized.  You must use the Von Duprin PS873 or...