Seco-Larm E-941SA-300RQ 300-lb Electromagnetic Lock

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Product details

Management number	205065311	Release Date	2025/10/16	List Price	$37.80	Model Number	205065311
Category	Intercom Systems Door Hardware

The E-941SA-300RQ electromagnetic lock is the ideal way to secure a door against unauthorized entry. When power is applied to the electromagnetic lock, it creates an extremely strong magnetic field. The electromagnet is strongly attracted to the steel armature plate which is mounted on the secured door. Once the electromagnet is deactivated, the secured door will function normally without any residual magnetism.

300-lb (136kg) Holding force
No residual magnetism
MOV Surge protection
Anodized aluminum housing (US 28)
Suitable for cabinets, small enclosures, or pedestrian gates
Reversible installation for right- or left-swing doors
Adjustable mounting bracket
Complete mounting hardware for typical installations
Additional brackets available for easy mounting or atypical situations
Detachable faceplate for easy access to wiring
12/24VDC Selectable
Lifetime limited warranty*

*Warranty applies in the USA and Canada only. Contact SECOLARM for details.

Specifications

Holding Force	300-lb (136kg)
Operating Voltage	12/24 VDC ±10%
Current Draw	420mA@12VDC, 210mA@24VDC
Operating Temperature	14º~131º F (-10º~55º C)
Electromagnet Dimensions	7-7/8″ x 1-3/8″ x 1″ (200 x 35 x 24 mm)
RoHS Compliance	Yes
Armature Dimensions	6″ x 3/8″ x 1-1/4″ (152 x 10 x 32 mm)
Weight	3-lb 5-oz (1.5kg)
Case Quantity	10 pcs

Troubleshooting

Door does not lock	Check to make sure the wires are securely tightened to the terminal block. Check that the power supply is connected and operating. Use a multimeter to check the resistance of coils inside the lock. See below. Make sure the rubber washer is installed and free from damage.
Doors lock, but can easily be forced open	Make sure the electromagnet and armature plates are properly aligned. Make sure the contact surfaces of the electromagnet and armature plates are clean and free from rust. Check the power leads with a meter, and make sure 12VDC or 24VDC is present. Make sure the rubber washer is installed and free from damage.
Delay in door releasing	The electromagnet is fitted with a metal oxide varistor to prevent interference, so do not install a second diode.