1,500-lb Electromagnetic Lock

The E-941SA-1K5Q 1,500-lb Single-Door 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.

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  • 1,500-lb (680kg) Holding force
  • No residual magnetism
  • MOV Surge protection
  • Suitable for horizontal or vertical installation
  • Anodized aluminum housing (US 28)
  • Keyhole slot mounting plate makes installation easier
  • 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
Holding Force 1,500-lb (680kg)
Operating Voltage 12/24 VDC
Current Draw 500mA@12VDC, 260mA@24VDC
Coil resistance 46Ω ±10% per coil
Housing material Anodized aluminum (US 28)
Operating Temperature 14°~131° F (-10°~55° C)
Mounting plate dimensions 11-1/4″x1-9/16″x1/4″ (286x40x6 mm)
Electromagnet Dimensions 11-1/4″x1-11/16″x2-5/8″ (286x43x67 mm)
Armature Dimensions 7-1/4″x5/8″x2-3/8″ (185x16x60 mm)
Weight 11-lb, 1.2-oz (5kg)

Product Information Sheet (PI)


Doors does not lock
  • Check that 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 undamaged
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.
  • Ensure that the control device is connected between the power source and the positive terminal of the lock

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