Electromagnetic Door Holder

FM Series electromagnetic door holders are designed for virtually any remote door release application. They are primarily used to hold fire and smoke barrier doors open until released  by  a  remote  smoke  detector  or  other  switching device.  The  complete  assembly  consists  of:  an  armature contact plate with adjustable pivot mounting for installationin the door, and a heavy-duty electromagnet, in a durable plastic enclosure, mounted on the wall or floor behind the door.  A separate closing device is required.

Features:

• All models support 12 VDC, 24 VAC/VDC, or 120 VAC
• Improperly applied voltage does not damage the unit
• Spacing kit for odd angles
• 25 to 40 pounds (11.3 kg) holding power
• Magnet  protected  against  transients  and  surges  up  to 600 volts (AC models)
• Fail-safe operation; power failure releases door to close
• Positive release button initiates closing motion
• Two-year warranty
• Floor- and wall-mount models