Alpha T1640 Plug-in Transformer, 16VAC-40VA Primary, 120V AC Secondary, 16V AC (40 VA) UL/CSA Listed, for Indoor Use

Deliver dependable, code-compliant power to your security and communications systems with the Alpha Communications T1640 plug-in transformer. This 16V AC, 40VA transformer accepts a standard 120V AC input and provides steady Class 2 power for intercoms, video-intercoms, access control panels, nurse-call stations and small surveillance devices. The compact plug-in form factor installs quickly into standard outlets and secures with a set screw for a neat, reliable connection where pigtail transformers would be unsightly or impractical.

Designed for professional installations, the Alpha T1640 features screw-terminal secondary connections for straightforward wiring and a built-in thermal fuse to protect against overheating—helping reduce service calls and downtime. UL/CSA listing gives you the safety documentation required for commercial and institutional projects. Whether you’re retrofitting a tenant entry system or provisioning power for monitoring equipment, the T1640 is a practical, cost-effective choice for powering low-voltage security and monitoring devices. Add the Alpha T1640 to your specification — order now or contact our sales team for volume pricing and compatibility guidance.

• Fast, tool-free installation: plug-and-play form factor lets you power intercoms, access control and surveillance devices in minutes
• Reliable, regulated power: 16VAC output with a 40VA rating ensures stable operation for door stations, cameras and nurse-call systems
• Safety-first design: UL/CSA-listed Class 2 transformer with built-in thermal fuse for overheating protection and safe indoor use
• Secure, neat mounting: set-screw locks the unit to the outlet and screw-terminal secondary makes tidy, maintenance-friendly wiring
• Compact, exposed-friendly styling: low-profile plug-in design is ideal for home, office or visible equipment rooms where pigtails are impractical