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Electromagnetic Door Holders

The Sentronic® SEM7800 is a series of heavy duty, electromagnetic door holders. 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 series magnets are UL listed for smoke barrier or labeled fire doors. Tested and certified under ANSI Standard A156.15.


Product Image Item Price
SEM7820 ALUM

SEM7820 ALUM

Floor mounted, standard profile armature, metal housing, tri-voltage (12v/24v/120v) with 35 lbs holding force. Powder coated Aluminum finish.
$337.12




SEM7820 DKBRZ

SEM7820 DKBRZ

Floor mounted, standard profile armature, metal housing, tri-voltage (12v/24v/120v) with 35 lbs holding force. Powder coated Dark Bronze finish.
$337.12




SEM7830 ALUM

SEM7830 ALUM

Surface wall mounted, metal housing, tri-voltage (12v/24v/120v) with 35 lbs holding force. Powder coated Aluminum finish.
$190.96




SEM7830 DKBRZ

SEM7830 DKBRZ

Surface wall mounted, metal housing, tri-voltage (12v/24v/120v) with 35 lbs holding force. Powder coated Dark Bronze finish.
$190.96




SEM7840 ALUM

SEM7840 ALUM

Recessed wall mounted, low profile armature, metal housing, tri-voltage (12v/24v/120v) with 35 lbs holding force. Powder coated Aluminum finish.
$190.96




SEM7840 DKBRZ

SEM7840 DKBRZ

Recessed wall mounted, low profile armature, metal housing, tri-voltage (12v/24v/120v) with 35 lbs holding force. Powder coated Dark Bronze finish.
$190.96




SEM7850 ALUM

SEM7850 ALUM

Recessed wall mounted, standard profile armature, metal housing, tri-voltage (12v/24v/120v) with 35 lbs holding force. Powder coated Aluminum finish.
$190.96




SEM7850 DKBRZ

SEM7850 DKBRZ

Recessed wall mounted, standard profile armature, metal housing, tri-voltage (12v/24v/120v) with 35 lbs holding force. Powder coated Dark Bronze...
$190.96