What relay board is needed for an auto operator

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Answer
The capabilities of the auto operator and the required operation of the opening will affect the selection of a power supply.
The 900-4RL has two out put for EL devices and signals to the auto operators to open the doors. PS914 power supply is required with 900-4RL option board to operate the EL device and auto operato...
Von Duprin PS914 x 900-4RL supports two EL with two auto operator.
If you have an old digital 4630 or 4640 operator with an I/O Board assembly that has two terminal strips, one with terminals 1-12, and the other that has 13-24 and you are in need of replacing the ...
Yes, the 4600 Series operators have a built in ES (electric strike) relay that can be used to unlock a strike, maglock, or EL device before opening the door.
The Senior Swing control box has a built in (programmable) relay output for connection to a Fail Safe/Fail Secure electric strike/maglock or to an EL Device power supply.