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Adams Rite 31-0619 MLR Control Board
The Adams Rite 31-0619 is a replacement Motorized Latch Retraction (MLR) Control Board designed for Adams Rite exit devices. It regulates the power used to smoothly retract the exit device latch, making it highly suitable for high-traffic and access control environments.
Key Specifications
- Part Number: 31-0619
- Operating Voltage: 24V DC
- Current Draw: 850 mA maximum during retraction
- Application: Used for Adams Rite motorized latch retraction exit devices
Manufacturer Resources
Product Specs
- Product Group:
- Parts and Accessories
- Product Subgroup:
- Exit Device Part and Accesory
- Subcategory:
- Exit Device Part and Accesory
- Product Category:
- Parts and Accessories
- Department:
- Door Hardware
Adams Rite 31-0619 – Frequently Asked Questions
1) What power supply do I need for an Adams Rite 31-0619 MLR control board?
The 31-0619 MLR control board runs on 24V DC and pulls up to 850 mA while the latch is actually retracting. Size the supply for that peak, not the idle draw, and remember the peak is per device, so two leaves on a pair of doors means budgeting for both retracting at once off the same supply.
2) My Adams Rite electric exit device stopped retracting the latch. Is the control board the part I need?
If the device is an Adams Rite motorized latch retraction (MLR) exit device and the motor no longer pulls the latch on a signal, the 31-0619 is the replacement control board for that circuit. It is the board that regulates power to the retraction motor, sold on its own as a service part, not the whole exit device and not the motor. Before ordering, confirm you are getting 24V DC to the board, since a failed supply looks the same at the door as a failed board.
3) Will the Adams Rite 31-0619 board work on a non-motorized exit device or an electric strike?
No. The 31-0619 is built for Adams Rite motorized latch retraction exit devices only. A mechanical exit device has no motor for it to drive, and an electric strike is a separate device in the frame with its own power requirement, so this board does nothing for either one. If the device on your door does not have MLR, this is the wrong part.
4) What does the MLR control board actually do in an access control setup?
On a card reader or intercom release, the controller sends a signal and the MLR motor pulls the exit device latch back so the door can be pushed or pulled open without touching the pushbar. The 31-0619 is the board that manages the power going to that motor through the retract and release cycle. That is why it sits in high traffic and access controlled openings, lobby entries, vestibules, tenant suites, where the latch cycles all day off a credential rather than by hand.
5) Is the Adams Rite 31-0619 a complete MLR kit or just the circuit board?
Just the board. The 31-0619 is the replacement Motorized Latch Retraction control board, ordered as a single configuration with no finish, handing, or size choice to make. The motor, the exit device chassis, the power supply, and the wiring to the door are all separate, so if the motor itself is the failure you need more than this part.
6) Do I have to specify handing or a finish when ordering the Adams Rite 31-0619 control board?
Nothing to specify. The 31-0619 comes one way, as the motorized latch retraction control board, with no handing, finish, or length options. It is an internal electronic component, so the door swing and the device finish make no difference to what you order.
How fast can I get the Adams Rite 31-0619 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Adams Rite 31-0619 come with a warranty?
Absolutely. The Adams Rite 31-0619 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Adams Rite 31-0619?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Adams Rite 31-0619 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.