eSSL DOORLOOP-U Door Status Sensor – Access Control Hardware

A complete access control installation needs reliable door-side hardware. The eSSL DOORLOOP-U Door Status Sensor provides the critical hardware that makes your access system work — keeping doors secure, releasing on valid credentials, and logging every event.

Why customers choose the DOORLOOP-U

• Magnetic loop sensor signals open or closed status to controller
• Simple 2-wire or 4-wire connection to any access controller
• Compatible with all eSSL controllers and third-party access panels
• 12V / 24V DC operation — works with all standard access control power supplies
• Durable anodised housing — long service life on high-traffic doors
• LED status indicator — shows locked or unlocked state at a glance

Technical specifications