Suitable for holding open fire and smoke check doors.
A range of electromagnets devices for holding open fire and smoke check doors. In the event of a fire, the hold-open magnet is de-energized by the release device responding to a signal from a smoke detector. The automatic closing action is provided by a door closer. It must also be possible to manually release the hold-open device. The push-button employed must be red, carry the wording 'Close door', be located in the immediate vicinity of the door, and must not be hidden when the door is in its hold-open position.
Features and benefits: