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Sargent 12-8773-G-ETB-84-24V Fire Rated Surface Vertical Rod Exit Device, Electrified Trim 24V Fail Safe, ET Control, B Lever, 43-48 In Door, 84" Door Height, Less Dogging, No Cylinder, Grade 1
The Sargent 12-8773-G-ETB-84-24V is an electrified fire rated surface vertical rod exit device built for demanding commercial openings. Designed for doors measuring 43–48" wide and 84" tall, this device combines dependable panic egress with electrified access control through its 24V fail safe operation. The ETB trim provides a comfortable lever pull for secure entry, while the surface-mounted vertical rods deliver top and bottom latching for added strength and fire protection. As part of Sargent's 80 Series, it meets the durability standards expected in high-traffic environments such as schools, hospitals, and office buildings.
Features
- Electrified fail safe function unlocks the outside lever when power is removed, supporting fire and emergency egress requirements.
- Fire rated construction suitable for labeled door and frame assemblies.
- Surface mounted vertical rod design with top and bottom latching for secure two-point engagement.
- Sized for tall doors up to 84" in height and widths from 43" to 48".
- Operates on 24V DC for integration with access control and electrified hardware systems.
- ETB lever trim provides smooth, ADA-compliant operation.
Functional Details
No Cylinder. 73 Function: Electrified ET Trim - Fail Safe. Power off unlocks the lever; no cylinder is included.
The 8773 configuration is an electric latch retraction and electrified trim device operating in a fail safe mode. When voltage is applied, the outside lever is locked; when power is interrupted, the lever becomes active, allowing free entry during a power loss or emergency condition. Free egress from the inside is always available via the push pad.
- Electrified outside trim (ETB) controls locking and unlocking of the lever.
- Fail safe: outside trim is unlocked when power is removed.
- 24V DC operation.
- Fire rated device for use on labeled openings.
Arm Type Details
This device uses a surface vertical rod configuration, with rods running along the face of the door to engage top and bottom strikes. This arrangement provides fire rated two-point latching without the need for mortised rod pockets, simplifying installation while maintaining secure containment of the door during a fire event.
Included Components
The device ships with the ETB electrified lever trim, top and bottom surface vertical rods, latch mechanisms, and mounting hardware required for a 43–48" wide by 84" tall door application.
| Manufacturer | Sargent |
|---|---|
| SKU | 12-8773-G-ETB-84-24V |
| Series | 80 Series |
| Grade | ANSI/BHMA Grade 1 |
| Device Type | Surface Vertical Rod Exit Device |
| Fire Rating | Fire Rated |
| Function | Electrified, Fail Safe |
| Trim | ETB Electrified Lever Trim |
| Origin | USA |
| Unit of Measure | Each |
| UL Listing Type | UL Listed for Fire Door |
| ANSI Number | ANSI/BHMA A156.3 |
| Limited Warranty | Yes |
| Voltage | 24V DC |
|---|---|
| Door Width Range | 43" to 48" |
| Door Height | 84" |
| Latch Points | Top and Bottom (Two-Point) |
| Rod Mounting | Surface Mounted |
| Electrified Function | Fail Safe |
| Minimum Stile Width | Varies by application |
| Latchbolt Throw | 3/4" |
| Projection | Approx. 3-3/8" |
| Handing | Left Hand Reverse or Right Hand Reverse device |






