Union DoorSense Acoustic Release Fire Door Hold Open Unit

The DoorSense is designed to hold doors open to improve access and air flow around a building.

If the fire alarm sounds, the plunger will automatically release to allow the door to close, providing a barrier to fire and smoke.

Must be used in conjunction with a separate door closer with a 3 - 7 power size.

Features

• Suitable for timber fire doors up to FD120
• Hold open function
• Door widths up to 1600 mm
• Max door weight of 160kg
• Power size EN 3-7
• Minimum door thickness 44mm
• 2 x C batteries included

Benefits

• Improves ventilation
• Enables greater access throughout a building
• Ideal for care homes, schools and public facilities
• Meets regulatory requirements
• Quick and easy to fit with no wiring
• Low battery indicator

Testing

• Tested with BS EN 1155
• Tested with BS EN 1634-1
• CE Marked
• Durability tested over 50,000 times