Sargent 8873-F-ETB-12V Rim Exit Device, Fail Safe Power Off Unlocks Lever, ET Control, B Lever, No Cylinder, 33-36" Dr Width, Hex Key Dogging, 12VAC/DC Electrified, Grade 1

The Sargent 8873-F-ETB-12V is a Grade 1 electrified rim exit device built for secure, high-traffic openings that require access control integration. Configured in a fail safe mode, the device unlocks the ETB (B lever) trim whenever power is removed, allowing immediate egress and entry during power loss. It operates on 12VAC/DC and is sized for doors measuring 33 to 36 inches wide. This model ships without a cylinder and features hex key dogging for mechanical hold-open when latch retraction isn't powered. Durable construction and reliable electrified operation make it a dependable choice for schools, offices, and commercial facilities.

Features

• Grade 1 rim exit device rated for heavy-duty commercial use.
• Fail safe operation unlocks the lever trim when power is removed.
• ETB (B lever) control trim for keyed or electrified lever access.
• Operates on 12VAC/DC electrified power.
• Sized for doors 33 to 36 inches wide.
• Hex key dogging allows the latch to be held retracted mechanically.
• Supplied without a cylinder for flexible keying options.

Functional Details

In fail safe configuration, the outside lever trim is electrically locked when energized and unlocks automatically when power is interrupted, ensuring access and egress during a power failure. Free egress through the push bar is always available regardless of power state.

• Fail safe: power off unlocks the outside lever for entry.
• Free egress at all times from the push side.
• Hex key dogging holds the latch retracted for push/pull operation.

Arm Type Details

This device uses the ET series control trim with the B lever design, providing a standard lever pull on the exterior side. When unlocked, turning the lever retracts the latch for entry; when locked, the push bar still permits free egress.