electric door holding magnet

The Sentronic

® SEM7800 Series are heavy duty, electrically controlled door holding magnets. Magnets are fail safe and hold until the current is interrupted. A manual door closer is used to control and close the door. A choice of floor, recessed wall, or surface mounted wall magnets are available.

All SEM 7800 series magnets are UL listed for smoke barrier or labeled fire doors

Standard profile recessed wall mount:

2” (51 mm) x 4” (102 mm) x 1 1/2” (38 mm) outlet box not included.

• 24V AC/DC or 120V AC input.
• Heavy duty electromagnet is protected against transients and voltage surges up to 600 volts.
• 24V AC/DC nominal +10% - 15% @ .110 amp. maximum.
• 120V AC nominal +10% -15% @ .020 amp. maximum.
• An SED transformer (4040SED-3210) can be used to reduce line voltage where desired. It will power up to three magnets.
• Primary 120V AC 50-60 Hz
• Secondary 24V AC @ .400 amp. maximum.