PS-LR Power Supply

Discontinuation Notice

Adams Rite PS-LR has reached it's end of lifecycle and has been discontinued as of October 8, 2020. Warranty replacement, repair services and spare parts related to this product will be fulfilled in order of receipt until April 8, 2021 or until all remaining inventory is exhausted.

PS-EXIT Power Supply is now available for order for all 8000/3000 Series Exit Devices with an LR or MLR option. Adams Rite reserves the right to replace discontinued product with an equivalent product as deemed by Adams Rite.

Linear power supply with optional battery backup for 3000 and 8000 Series vertical rod and mortise type exit devices with electric latch retraction (LR) option.


This Adams Rite power supply is strongly recommended for the electric latch retraction (LR) option on vertical rod and mortise types of exit devices. It operates at 28 VDC to power up to two LR exit devices in sequential or independent modes. The PS-LR is also equipped with a fire alarm disconnect interface circuitry.


CSA-C22.2 No. 223 listed, UL listed


Operating Modes: The PS-LR is designed to power up to two 3000 LR or 8000 LR exit devicesin the following operating modes:
• Near Simultaneous Mode – A single input switch (dry contact) operates two devices with less than one second delay. Ideal for double-door applications.
• Independent Mode – Each LR exit device is controlled by its own input switch.

Shipping Weight: 10 lbs [4.5 kg]


Input Power: 115 VAC or 230 VAC, 0.7A/0.4A

Primary Fuse: The PS-LR has two user-serviceable fuses:
F1: Transformer output: 4.0A/250V 5x20MM;
F2: Transformer input: 3.15A/250V 5x20MM

Output Voltage: 16 Amp @ 28VDC


Battery Backup Kit (BBK-LR) available separately to add battery backup capability to the PS-LR. The enclosure is sized to accommodate two 12 volt – 7AH sealed, lead acid batteries (not included).


Related Products: when purchasing this product, please consider the following related products, available separately:

Accessories Power
BBK-LR Batter Backup Kit 4612 Power Transfer Device 

Compatible Products: This product is compatible with the following products:

Exit Devices
8000 Series electrified exit devices with LR latch retraction.