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Sargent LC-12-8975-F-ETL-24V Fire Rated Mortise Exit Device, Electrified Trim 24V Fail Safe, ET Control, L Lever, For 33-36" Width Door, Less Cylinder, Less Dogging, Grade 1
The Sargent LC-12-8975-F-ETL-24V is a Grade 1 fire rated mortise exit device built for high-traffic openings that require reliable electrified access control. Designed for 33" to 36" wide doors, it pairs the proven 8900 Series mortise lock body with ETL electrified trim operating at 24V in a fail safe configuration. The ET trim features the L lever design, delivering a clean ANSI-style profile and dependable performance. Shipped less cylinder and less dogging, this device gives installers flexibility to specify their own mortise cylinder. Fire rated construction makes it suitable for labeled door assemblies where life safety and controlled egress are essential.
Features
- Grade 1 fire rated mortise exit device rated for demanding commercial use.
- Fits door widths from 33" to 36".
- Electrified ETL trim operating at 24V for integration with access control systems.
- Fail safe function unlocks the outside trim when power is removed.
- ET control trim with L lever design for a smooth, ergonomic grip.
- Furnished less cylinder, allowing use of a preferred mortise cylinder.
- Supplied 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 an L 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 complete fire rated mortise exit device with ETL electrified trim and L lever. Mortise cylinder is not included and must be ordered separately.
| Manufacturer | Sargent |
|---|---|
| SKU | LC-12-8975-F-ETL-24V |
| Series | 8900 Mortise Exit Device |
| Grade | ANSI/BHMA Grade 1 |
| Function | Fail Safe, Electrified Trim |
| Trim Type | ET Control with L Lever |
| Fire Rating | Fire rated; opening size and rating are subject to the applicable UL listing |
| Cylinder | Less Cylinder; compatible mortise cylinder ordered separately |
| Dogging | Less Dogging |
| Unit of Measure | Each |
| UL Listing Type | UL/cUL Fire Exit Hardware |
| Limited Warranty | Yes |
| Door Width Range | 33" to 36" |
|---|---|
| Operating Voltage | 24V DC |
| Device Type | Mortise Lock Exit Device |
| Lock Body | Mortise |
| Electrical Function | Fail Safe |
| Lever Style | L Lever |
| Minimum Stile Width | Compatible with standard commercial stiles |
| Cylinder Type | Less Cylinder; compatible mortise cylinder ordered separately |
| Latch Type | Deadlocking mortise latchbolt |
| Mounting | Mortise lock exit device |
| Egress | Free egress from inside at all times |







