Edwards Signaling 591 120V AC Primary 16V Secondary Transformer

Provide dependable low-voltage power where it matters most. The Edwards Signaling 591 120V AC primary, 16V AC secondary transformer delivers a stable 16V output and 10VA capacity to power doorbells, chimes, access control interfaces and small surveillance or monitoring peripherals. Designed as a compact open-frame transformer, it installs easily in a standard 1/2" knockout or can be surface mounted using included feet, making it ideal for both retrofit and commercial deployments.

Installers benefit from time-saving features like pre-stripped primary pigtails and screw-terminal secondary connections, while non-regenerative thermal overload protection and a grounding lead add operational safety for security and building systems. Lightweight and unobtrusive, the Edwards Signaling 591 is suited for residential, commercial, and light industrial applications that require reliable low-voltage power for security, surveillance, and tenant convenience devices.

Specify the Edwards 591 when you need a compact, dependable transformer for door entry, monitoring, or access control projects — order now to streamline installation and improve system reliability.

• Reliable low-voltage power for doorbells, chimes, access control and surveillance systems — ensures consistent 16V AC output for stable device operation
• Quick, installer-friendly wiring with pre-stripped primary pigtails and screw terminal secondary — reduces labor time on service calls
• Compact open-frame design fits standard 1/2" knockout or surface mount — ideal for retrofit and new installations in metal or plastic back boxes
• Built-in non-regenerative thermal overload protection and grounding wire — protects devices and wiring against overloads for safer monitoring and security setups
• 10VA rating balances light-duty loads like door chimes, low-current access control accessories, and small CCTV/monitoring peripherals