Security Door Controls 491 Emergency Release Stations

The 491 model may be preferred over a pull station since greater commitment is required to break the glass. Specifically designed for emergency door release, 490 series emergency release stations may influence the approval of an electric locking system. SDC’s 490 series emergency release stations provide immediate unlocking of perimeter doors or interior doors that are equipped with fail-safe electric locks. The 490’s built in alarm may be used as a local door annunciator.

Features

• Blue housing: eliminates confusion with red fire alarm stations
• Easy to read activation instruction: ensures quick response during emergencies
• Integrated siren: sounds upon activation for immediate attention
• Individual door control: initiates release of individual door or all doors on the same circuit
• Main contact: allows for quick lock release for safety
• Auxiliary contact: enables remote monitoring, CCTV, or alarm activation
• Flexible mounting options: surface mount or double gang back box mount with plaster ring cover for versatile installation
• Two replacement glass pieces: included for easy maintenance and longevity

Security Door Controls 491 Emergency Release Stations Features