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Sargent 8271-12V Lock Body Only Electro Mechanical Fail Safe Function, Single Cylinder, 12VDC, Grade 1, Feild Reversible
The Sargent 8271-12V Lock Body Only Electro Mechanical Fail Safe Function is built for applications that need dependable electrified mortise lock performance with a single cylinder configuration, 12VDC operation, Grade 1 durability, and feild reversible handing. As a lock body only component in the Sargent 8200 Series mortise lock line, this model is designed for strength, code-focused performance, and flexible field handling. The fail safe electro mechanical function allows the lock to unlock when power is applied or lost according to system design, making it a practical choice for controlled openings where reliable operation and heavy-duty commercial grade hardware are required.
Features
Sargent 8271-12V lock body only configuration is designed for use within the 8200 Series mortise lock platform.
Electro mechanical fail safe function supports controlled door locking in electrified openings.
Single cylinder design provides keyed control on one side of the lock trim setup.
12VDC operation matches low-voltage electrified hardware requirements.
Grade 1 construction meets heavy-duty commercial performance standards.
Feild reversible handing allows handing changes at the job site.
Functional Details
This electro mechanical fail safe function is intended for openings where the lock must release under the appropriate electrical condition for life safety or access control integration. In the Sargent 8200 Series platform, the electrified mortise lock body is engineered for commercial applications that require remote control, dependable cycling, and compatibility with mortise lock trim and cylinders.
71 function — Power ON, unlocks outside lever
Specify voltage: 12VDC or 24VDC (operates from 12-24VDC)
Key outside retracts latchbolt
Lever outside retracts latchbolt, except when locked
Lever outside can only be locked electronically
Lever inside always retracts latchbolt
Auxiliary deadlatch
Included Components
This product is supplied as a lock body only. Trim, cylinder, strike, and other mortise lock components are specified separately based on the opening requirements.
Manufacturer |
Sargent |
|---|---|
Series |
8200 Series |
SKU |
8271-12V |
Product Type |
Lock Body Only |
Function |
Electro Mechanical Fail Safe Function |
Cylinder Type |
Single Cylinder |
Voltage |
12VDC |
Grade |
Grade 1 |
Handing |
Feild Reversible |
ANSI Number |
F31 |
UL Listing Type |
UL-cUL listed for all functions up to 3 hours for A label single doors, 1-1/2 hours for B label single doors, and 3 hours for E label pairs |
Limited Warranty |
10 Year Limited Warranty |
Unit of Measure |
Each |
Origin |
Made in the USA |
BAA Qualified |
Yes |
Series |
8200 Series |
|---|---|
Base Lock Case |
8271 |
Electrical Type |
Electro-mechanical |
Electrical Function |
Fail Safe |
Input Voltage |
12VDC |
ANSI Function Number |
F31 |
BHMA Grade |
Grade 1 |
Door Thickness Range |
1-3/4" standard, 2" to 4" available |
Backset |
2-3/4" |
Front |
1-1/4" x 8" |
Case Depth |
4" |
Case Height |
6" |
Handing |
Field reversible without opening the lock body case |
Fire Rating |
Up to 3 hours |




