Sargent 12-8773-F-ETB-84-24V Fire Rated Surface Vertical Rod Exit Device, Electrified Trim 24V Fail Safe, ET Control, B Lever, 33-36 In Door, 84" Door Height, Less Dogging, No Cylinder, Grade 1

The Sargent 12-8773-F-ETB-84-24V is a heavy-duty electrified surface vertical rod exit device engineered for fire-rated openings up to 84 inches tall and 33–36 inches wide. Built as part of Sargent's 80 Series, this fail safe device uses 24V power to control access electrically, unlocking the ETB lever trim when power is removed for secure egress and emergency building operation. The fire-rated construction makes it suitable for labeled door assemblies where both life safety and access control are essential. With its durable finish, rugged push rail, and smooth outside lever operation, this device delivers dependable performance in schools, hospitals, and commercial facilities.

Features

• Electrified surface vertical rod exit device designed for fire-rated door openings.
• Fail safe operation unlocks the outside trim when power is removed.
• Operates on 24V DC for integration with access control systems.
• Sized for doors 33" to 36" wide and up to 84" in height.
• ETB lever trim provides controlled access from the outside.
• Grade 1 construction built for high-traffic, demanding environments.

Functional Details

No Cylinder. 73 Function: Electrified ET Trim - Fail Safe. Power off unlocks the lever; no cylinder is included.

As a fail safe electrified device, the outside ETB lever trim is held locked while 24V power is applied. When power is interrupted, the trim becomes unlocked, allowing entry during a power failure while the push rail always permits free egress from the inside.

• Fail safe: outside trim is unlocked when power is removed.
• 24V DC operation for use with access control and building management systems.
• Fire rated for use on labeled door assemblies.
• Free egress from the inside at all times.

Arm Type Details

This is a surface-mounted vertical rod configuration with top and bottom rods that secure the door at both the header and the threshold. The vertical rods retract simultaneously when the push rail is pressed, releasing the door for exit.

Included Components

The device ships with the 8700 series surface vertical rod chassis, ETB lever trim, top and bottom latch assemblies, vertical rods, strikes, and mounting hardware for a complete fire-rated installation.