Command Access ETM4W4545-619 BB79 4-Wire Energy Transfer Monitor, BB79 Style, 4-1/2"x4-1/2", Satin Nickel

Optimize door security and streamline installation with the Command Access Technologies ETM4W4545-619 energy transfer hinge. This ETM hinge combines a 4-wire energy transfer capability with an integrated door position sensor, so you can power electrified locksets and exit devices while simultaneously monitoring door status without adding separate hardware. The BB79, 4-1/2" x 4-1/2" profile and satin nickel finish provide a clean, industry-standard fit for commercial doors and frames, simplifying specification and installation. By passing low-voltage power through the hinge, projects reduce conduit complexity and labor time—ideal for access control, security and surveillance integrations where reliability matters. The hinge’s built-in monitoring supports request-to-exit switches, door position switches and alarm inputs, helping facilities maintain continuous door monitoring and faster troubleshooting. Choose the Command Access ETM hinge to improve system uptime, lower installation costs and centralize door electronics within a single durable hinge assembly. Specify this hinge for your next secure facility or access control upgrade and contact sales for wiring configuration guidance.

• Simplifies access control wiring by passing 4-wire low-voltage power through the hinge, reducing conduit runs and installation time
• Built-in door position sensor (ETM) eliminates the need for a separate DPS, improving reliability for monitoring and alarm systems
• BB79, 4-1/2" x 4-1/2" form factor and satin nickel finish for quick fit and professional appearance on standard commercial doors
• Supports electrified locksets, exit devices and door monitoring devices, enabling seamless integration with security, surveillance and access control systems
• Rugged construction designed for heavy-use commercial environments, minimizing maintenance and downtime