NuTone C905 Open Frame Transformers,Nutone Door Chime System,16V AC

For installers and facilities managers who need dependable low‑voltage power for door chimes and security peripherals, the Broan‑NuTone C905 open‑frame transformer delivers reliable performance and faster installs. This NuTone transformer provides a steady 16V AC, 10VA output from a standard 110V AC input, making it ideal for single chime circuits, access control devices, and small monitoring or surveillance accessories. The time‑saving lock‑mount/wall‑mount design can cut installation time by up to 25%, helping contractors reduce labor costs and complete projects sooner. A built‑in thermal cut‑off switch shuts down the circuit in the event of excessive temperature to protect wiring and connected equipment, reducing service calls and liability. Compact dimensions allow easy placement inside panels or behind door stations, while cULus listing and Energy Star certification ensure code compliance and energy efficiency. The C905 is purpose‑built for NuTone door chime systems but also supports a range of low‑voltage security and monitoring applications. Order the Broan‑NuTone C905 to streamline installations and improve system reliability — ideal for commercial, institutional, and multi‑unit residential projects.

• Cuts installation time up to 25% with versatile lock‑mount or wall‑mount design, lowering labor costs for installers
• Delivers stable 16V AC, 10VA output to reliably power NuTone door chimes and other low-voltage security devices
• Built‑in thermal cut‑off protects chime systems from overheating, reducing callbacks and on‑site service visits
• Compact open‑frame form factor (2.3" x 2.3" x 1.8") for easy retrofits in tight enclosures and access control panels
• cULus listed and Energy Star rated for code‑compliant, energy‑efficient installations in commercial security and monitoring setups