Command Access ETM6W4545 626 CH-BB91 6-Wire Energy Transfer Monitor, BB91 Style, 4-1/2"x4-1/2", Satin Chrome

Deliver dependable power and door status monitoring without extra wall-mounted conduits. The Command Access Technologies ETM6W4545 is an energy transfer hinge designed for access control and security installations where reliable low-voltage power and hinge-mounted monitoring are essential. This ETM (Energy Transfer Monitor) hinge carries up to 6 wires, enabling simultaneous power and signaling for electric locksets, exit devices and request-to-exit switches while also providing an integrated door position sensor for precise monitoring and surveillance integration. The BB91 4-1/2"x4-1/2" profile in satin chrome provides a commercial-grade finish that resists wear in heavy-use doors and matches common architectural hardware. By combining energy transfer and monitoring in one hinge, installers save time, minimize wiring complexity and enhance system reliability for security, access control and building management systems. Specify the ETM6W4545 for retrofit or new-construction projects that require compact, professional-grade door monitoring. Contact your supplier or order today to streamline your next access control installation.

• Simplifies installation by routing low-voltage power and signaling through the hinge, reducing conduit and labor costs
• Built-in door position sensor for reliable door monitoring and improved access control diagnostics
• 6-wire capacity supports locksets, exit devices and multiple monitoring circuits for flexible security configurations
• Commercial BB91 4-1/2"x4-1/2" satin chrome hinge blends durability with a professional finish for high-traffic openings