UNION DoorSense Acoustic Release Device, White
The UNION DoorSense is a standalone, battery-powered acoustic release device for fire doors, ensuring compliance with BS EN 1155 and automatic release during emergencies.
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
- 0-2个工作日内发货
- 配送至 美国：3-5 个工作日*
- 免费配送
- Fire-rated doors
- Commercial buildings
- Residential buildings
- Emergency exits
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- Standalone unit
- Fire door compatible
- 2x Alkaline C batteries (included)
- Low battery indicator
- Automatic release upon fire alarm
- Manual and timer modes
- BS EN 1155 compliant
- EMC tested (FD120)
Always follow local regulations and product guidance.
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