Sargent 12-8773-F-ETB-84-12V Fire Rated Surface Vertical Rod Exit Device, Electrified Trim 12V 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-84-12V is an electrified fire rated surface vertical rod exit device built for demanding commercial openings. Designed for 33" to 36" wide doors up to 84" in height, this device combines reliable panic hardware performance with electrified access control. The fail safe configuration releases the outside trim during a power loss, allowing free entry when needed for life-safety situations. Featuring the durable ETB (Electrified Thumbpiece/Lever) trim and operating on 12V power, it integrates easily into access control systems. As a fire rated unit, it meets code requirements for fire door assemblies while providing dependable egress on heavy-use commercial and institutional doors.

Features

• Electrified fire rated surface mounted vertical rod exit device for secure, code-compliant openings.
• Fail safe operation unlocks the outside trim when power is removed.
• Sized for doors 33" to 36" wide and up to 84" in height.
• ETB electrified lever trim provides controlled access from the exterior.
• Operates on 12V DC for integration with access control systems.
• Surface vertical rod design offers top and bottom latching for added security.
• Heavy-duty construction suited to high-traffic commercial environments.

Functional Details

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

The fail safe function means that when electrical power is applied, the outside trim remains locked, and when power is interrupted the trim is released to allow free entry. This behavior supports controlled access during normal operation while defaulting to an unlocked state during emergencies or power failures.

Arm Type Details

This device uses a surface mounted vertical rod configuration, with latching mechanisms engaging at both the top and bottom of the door frame. The dual-point latching provides enhanced security and proper alignment for fire rated door assemblies.

Included Components

The device ships with the 8773 surface vertical rod exit device chassis, the ETB electrified lever trim, top and bottom latch assemblies, and standard mounting hardware for installation on fire rated doors.