Electromagnetic Door Holder/Release, Dark Bronze Painted

Electromagnetic door holder/releases are designed for virtually any remote door release applications. They must be used in conjunction with closing devices. Fire/smoke barrier doors - Door releases when tripped by an alarm or smoke detector. Private offices - Door releases when triggered by a remote switch. All devices come with a wall/floor portion and a door portion armature. Circuit normally closed. Door portions have screws and plates to accommodate surface and concealed mounting. Wall must be properly reinforced and outlet box adequately fastened. Total projection 3-5/8 Mounting requirements 2 x 4 x 1-3/4 oulet box. Tri-voltage - 120VAC 24VAC/DC 12VDC. ANSI/C00011