Alarm Controls ABW4B-R 1/2" Red Mushroom Cap

Designed for fast, unmistakable emergency activation, the Alarm Controls by ASSA ABLOY ABW4B-R 1/2-inch Red Mushroom Cap upgrades any door release button station with a highly visible, easy-to-press actuation surface. This door release button’s bold red finish and 1/2-inch mushroom cap improve operator response during emergency egress and routine access control operations, helping reduce response times and support facility safety protocols.

Manufactured in the US, the ABW4B-R delivers durable performance and tactile feedback that resists accidental engagement while ensuring dependable operation under frequent use. Built to integrate with Alarm Controls systems and industry-standard wiring, it simplifies retrofits and new installations and works smoothly with your monitoring and surveillance equipment.

Ideal for commercial entrances, secure facilities, and emergency exit stations, this red mushroom cap is a practical, low-cost upgrade for security teams and installers who need consistent performance and easy maintenance. Enhance your access control and emergency egress solutions with the ABW4B-R—order now to improve safety and streamline system integration.

• High-visibility red mushroom cap for rapid emergency activation and reduced response time
• 1/2-inch profile designed for easy retrofit into existing door release button stations
• Rugged US-made construction (ABW4B-R) for reliable long-term operation in access control systems
• Tactile, anti-accidental design that provides positive feedback and minimizes false triggers
• Compatible with Alarm Controls by ASSA ABLOY wiring standards for seamless integration with monitoring and surveillance setups