Electromagnetic holder for emergency, push-bar and entry doors in general. Exposed mounting on door frame. Holding force 300Kg. The electromagnetic holder is equipped with a status sensor. The open/closed status is monitored locally by a LED and a free changeover relay output. Closing delay timer. 12-24V DC supply voltage. Maximum consumption 290mA at 24V DC. Anodized aluminum casing. Dimensions (L x H x D) 250 x 48 x 24mm.