DORMA EM508 Electromagnetic Do...
IN STOCK (leaves warehouse same day if ordered before 3pm ET)
$637.00
$382.70
DORMA EM508 Electromagnetic Door Holder, Surface Wall Mount

DORMA EM508 Electromagnetic Door Holder, Surface Wall Mount

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Model: EM508-24120-689
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In Stock (leaves warehouse same day if ordered before 3pm ET)

$637.00
$382.70
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DORMA EM Series

Electromagnetic Door Holders

The EM Series electromagnetic door holders with dual voltage capability and an adjustable catch plate provide versatility for varying applications. Add-on catch plate extensions further enhance its flexibility.

Door holders ANSI/BHMA certified.

  • Dual voltage capability
  • Adjustable catch plate
  • Silent operation
  • Several mounting methods
  • Superior reliability

Product details

Economical package for controlled release and closing of doors

The DORMA EM Series door holders are composed of a door mounted catch plate and a floor- or wall-mounted electromagnet. This series serves as an economical package for use in conjunction with DORMA door closers whenever controlled release and closing of doors is necessary for safety or convenience such as in hotels, hospitals, and nursing homes.

Superior reliability

The EM Series magnets offer superior reliability with built-in protection and low residual magnetism so they release easily even in applications meeting ADA requirements with minimal spring force door closers.

Several mounting methods for EM Series Electromagnetic Door Holders

Brackets are not required for recessed, flush, or surface mounting. The catch plate on the door features a ball-shaped pivot arm for adjustability to further ensure perfect alignment. Optional extension rods are available to accommodate greater distances between the door and wall.

Manufacturer Resources

Product Specs

Product Group:
Electronic Access Controls
Series:
EM Series
Application:
Wall Mount, Single Door
Product Subgroup:
Electromagnetic Door Holders
Product Type:
Wall Mount Electromagnetic Door Holders
Subcategory:
Electromagnetic Door Holders
Commercial/Residential:
Commercial
Electronic:
Yes
Product Voltage:
24VDC/24VAC or 120V
Door Hand Direction:
Non-Handed
Mounting Method:
Wall
Product Category:
Electronic Access Controls
Department:
Door Hardware

Dormakaba EM508-24120-689 – Frequently Asked Questions

1) Will the DORMA EM508 electromagnetic door holder hold a door open in a corridor where the wall is a few inches away from the door?
The EM508 is a surface wall mount holder, so the electromagnet mounts flat on the wall and the catch plate mounts on the door face. When the gap between door and wall is larger than the standard catch plate reach, optional extension rods cover the greater distance, and add-on catch plate extensions do the same. The catch plate itself uses a ball-shaped pivot arm so it self-aligns to the magnet face rather than needing the door and wall to be perfectly parallel.
2) Does the DORMA EM508 door holder run on 24V or 120V?
Both. The EM508 is dual voltage, rated 24VDC/24VAC or 120V, so one part number covers a low-voltage run off a fire alarm panel or power supply and a line-voltage run off a 120V circuit. That matters when you are standardizing holders across a building where some openings are fed from the panel and others from local power.
3) Do I need to order a left hand or right hand version of the EM508 door holder?
No handing to specify. The EM508 is non-handed, so the same part works on a left hand or right hand opening. You pick finish only.
4) Will an electromagnetic door holder release a door that has an ADA-compliant low force closer on it?
Yes, and that is the specific reason to look at the EM Series. These magnets are built with low residual magnetism, so the door lets go cleanly on power drop even where a minimal spring force closer is doing the closing to meet ADA opening force. A magnet that holds residual pull after release is what leaves a door hung up on a light closer.
5) Should I use a wall mount or a floor mount electromagnetic door holder?
It comes down to where the door swings to and what the catch plate can reach. The EM Series is built both ways, with the magnet mounted to the floor or to the wall and the catch plate on the door. Wall mount, which is what the EM508 is, keeps the magnet up off the floor and out of the way of mopping and cart traffic, and is the usual pick when the door parks against a wall. Floor mount is the answer when the door swings to open air with no wall behind it. Either way the holder is only half the package, it works with a door closer to control the closing.
6) Do I need a mounting bracket to install the EM508 door holder?
No bracket needed. Brackets are not required for recessed, flush, or surface mounting on the EM Series, so a surface wall mount holder like the EM508 goes straight to the wall. Budget instead for extension rods if the door to wall distance is long, and for a door closer on the opening if one is not already there.
7) Can I use one EM508 holder on a pair of double doors?
No. The EM508 is a single door application, so a pair needs one holder per leaf, each with its own catch plate on the door and its own magnet on the wall behind that leaf.
8) Is the EM508 door holder rated for commercial buildings like hospitals and hotels?
Commercial duty, and those are exactly the buildings it was built for. DORMA lists hotels, hospitals, and nursing homes as the intended applications, anywhere a door needs to be held open for traffic and then released and closed under control for safety. Operation is silent, which is why it survives on patient room and guest corridor doors where a clacking release would be a complaint.
How fast can I get the Dormakaba EM508-24120-689 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 Dormakaba EM508-24120-689 come with a warranty?
Absolutely. The Dormakaba EM508-24120-689 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 Dormakaba EM508-24120-689?
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 Dormakaba EM508-24120-689 from ZenSupply?
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