Trine 272 100 dB Bell, 2-1/2" Open Bell, Aluminum Powder Coated

For reliable, high-impact audible alerts in security, access control and monitoring applications, the Trine 272 signaling bell delivers performance you can depend on. The Trine Access Technology 272 bell produces a powerful 100 dB tone at 3 feet through its 2-1/2" open bell design, ensuring notifications are heard clearly across entryways, corridors and control rooms. With flexible power options (3–6 VDC or 8–16 VAC) and a modest 1 Amp draw, it integrates easily with existing alarm panels, intercoms and access control systems while minimizing strain on power supplies. The aluminum, powder-coated housing resists corrosion and keeps a professional finish in commercial and light outdoor environments. Compact and straightforward to mount, the 272 includes all necessary hardware to speed installation and reduce labor costs. Ideal for security, surveillance and building monitoring setups that require a durable, high-decibel signaling solution. Upgrade your alerting system with the Trine 272 bell for dependable audible notification — perfect for access control points, alarm systems and emergency signaling.

• Powerful 100 dB output provides unmistakable audible alerts for security, access control and emergency signaling
• Compact 2-1/2" open bell design delivers a clear, penetrating tone without bulky hardware
• Dual-voltage compatibility (3–6 VDC or 8–16 VAC) simplifies integration with existing access and alarm systems
• Durable aluminum, powder-coated finish resists corrosion and maintains a professional appearance in indoor or sheltered outdoor installations
• Low 1 Amp draw reduces power demands on control panels and backup power systems
• Includes mounting hardware for fast, low-cost installation and minimal downtime