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ROFU Door Magnets

Electromagnetic Door Holders

These electromagnets 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 installation in the door;and a heavy-duty electromagnet, in a durable plastic enclosure, mounted on the wall of floor behind the door.

• 1120 VAC and 24 VAC/DC models.
• 35 to 40 pounds (16 kg) holding power.
• Magnet protected against transients and surges up to 600 volts (AC models).
• Magnetic field intensity of 5.6 oersteds @ 1 meter.
• Fail-safe operation;power failure releases door to close.
• Positive release button initiates closing motion.
• Two-year warranty.
• Floor- and wall-mount models.
• Sturdy plastic design.