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Sargent LC-12-8975-F-ETJ-24V Fire Rated Mortise Exit Device, Electrified Trim 24V Fail Safe, ET Control, J Lever, For 33-36" Width Door, Less Cylinder, Less Dogging, Grade 1
The Sargent LC-12-8975-F-ETJ-24V is a Grade 1 fire rated mortise exit device built for high-traffic commercial openings on doors measuring 33 to 36 inches wide. It pairs a rugged mortise lock body with electrified ET trim using the J lever design and operates on 24V in a fail safe configuration, meaning the outside trim remains unlocked when power is removed. Supplied less cylinder to accommodate your preferred keying, this device delivers dependable life safety performance and smooth everyday operation. Ideal for stairwells, corridors, and secured entries where fire protection and electrified access control are required, it offers long-term reliability from a trusted manufacturer.
Features
- Grade 1 rated for heavy-duty commercial and institutional use.
- Fire rated mortise exit device suitable for labeled fire door openings.
- Electrified ET trim with J lever provides controlled access on the outside.
- 24V fail safe operation unlocks outside trim when power is interrupted.
- Designed for doors 33 to 36 inches in width.
- Supplied less cylinder for flexible keying options.
- Less dogging, as required for fire rated applications.
Functional Details
This 24V DC electrified ET trim operates in fail safe mode. With power removed, the outside lever is unlocked. Applying power locks the outside lever. When unlocked, turning the outside lever retracts the mortise latch. Operating the inside push rail permits egress regardless of the electrical state of the trim. A compatible mortise cylinder, ordered separately, provides mechanical key override.
Trim and Lever Details
The ET trim has a J lever. Electrical power controls whether the outside lever is locked or unlocked; operating an unlocked lever retracts the latch. Select the LHR or RHR handing to suit the opening.
Included Components
Device ships as a fire rated mortise exit device with electrified ETJ trim and necessary mounting hardware. The mortise cylinder is ordered separately (less cylinder).
| Manufacturer | Sargent |
| SKU | LC-12-8975-F-ETJ-24V |
| Grade | ANSI/BHMA Grade 1 |
| Device Type | Fire Rated Mortise Exit Device |
| Trim Function | Fail Safe, Electrified ET |
| Lever Style | J Lever |
| Door Width Range | 33" to 36" |
| Cylinder | Less Cylinder; compatible mortise cylinder ordered separately |
| Dogging | Less Dogging |
| Unit of Measure | Each |
| UL Listing Type | UL/cUL Listed for Fire Doors |
| ANSI Number | ANSI/BHMA A156.3 |
| Limited Warranty | Manufacturer's Limited Warranty |
| Voltage | 24V DC |
| Electrical Function | Fail Safe |
| Device Series | 8900 Series |
| Latch Type | Mortise Lock |
| Latchbolt Throw | 3/4" |
| Fire Rating | Fire rated; opening size and rating are subject to the applicable UL listing |
| Door Thickness | 1-3/4" standard |
| Handing | LHR or RHR (select the required handing) |
| Trim Series | ET (Electrified Trim) |
| Mounting | Mortise lock exit device |







