UNION DoorSense Acoustic Release Device, White

The UNION DoorSense Acoustic Release Device is a standalone unit designed to be fixed to fire doors, providing a reliable solution to keep them open while ensuring automatic release when a fire alarm sounds. Easy to install with no wiring required, it can often use the same mounting points as older units, making it a convenient upgrade.

Powered by two Alkaline C batteries for long life, the DoorSense features a low battery indicator to maintain optimal performance. It offers flexible operation modes: manual control or automatic release via a timer for night-time settings.

Key Features

• Standalone Operation: No wiring needed for installation
• Automatic Release: Triggers upon fire alarm activation
• Low Battery Indicator: Ensures continuous reliability
• Battery-Powered: Uses 2x Alkaline C batteries (included)
• Easy Retrofit: Can replace older units with minimal adjustments
• Colour Options: Available in black, red, or white
• Compatibility: Suitable for fire-rated doors with closers rated 3-7

Compliant with BS EN 1155 and EMC tested for timber doors (FD120), this device provides peace of mind in critical fire safety applications.

Included in the Box

• DoorSense Acoustic Release Device
• Fitting and setup instructions
• 2x Alkaline C batteries