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Sargent 8273-12V Lock Body Only Electro Mechanical Fail Safe Function, Double Cylinder, 12VDC, Grade 1, Feild Reversible
The Sargent 8273-12V Lock Body Only Electro Mechanical Fail Safe Function is built for applications that need dependable electrified mortise lock performance with a Double Cylinder configuration, 12VDC operation, and Grade 1 durability. As part of the 8200 Series mortise lock line, this lock body is designed for heavy-duty commercial use and offers Feild Reversible handing for added installation flexibility. The fail safe function allows the lock to unlock when power is interrupted, making it suitable for openings where life safety and controlled access are both important. This lock body only configuration is intended for use with compatible trim and cylinders.
Features
Sargent 8273-12V lock body only configuration is designed for use with compatible 8200 Series mortise lock components.
Electro Mechanical Fail Safe Function unlocks upon loss of power for controlled access and safety-focused applications.
Double Cylinder function provides keyed operation from both sides of the door.
12VDC operating voltage supports low-voltage electrified hardware applications.
Grade 1 construction meets heavy-duty commercial performance requirements.
Feild Reversible handing allows the lock body to be adjusted for door handing in the field.
Functional Details
This electro mechanical fail safe lock body is designed so the outside lever or trim is unlocked when power is removed. In a fail safe setup, the opening defaults to the unlocked state during a power interruption, which is commonly used where free egress and emergency release are required. The double cylinder design adds keyed control on both sides while still using the electrified lock body function for access management.
73 function — Power ON, unlocks both levers
Specify voltage: 12VDC or 24VDC (operates from 12-24VDC)
Key on either side retracts latchbolt
Lever from either side retracts latchbolt, except when levers are locked
Both levers can only be locked & unlocked electronically
Levers can not be locked separately, only together
Auxiliary deadlatch
Included Components
This product is a lock body only package. Trim, cylinders, strikes, and other door hardware components are ordered separately unless otherwise specified for the complete opening.
Manufacturer |
Sargent |
|---|---|
Series |
8200 Series |
Model |
8273-12V |
SKU |
8273-12V |
Product Type |
Lock Body Only |
Lock Type |
Electro Mechanical Mortise Lock |
Function |
Fail Safe Function |
Cylinder Type |
Double Cylinder |
Voltage |
12VDC |
Grade |
Grade 1 |
Handing |
Feild Reversible |
ANSI Number |
F04 |
UL Listing Type |
UL Listed for 3 hour fire door, A label single doors and 4' x 8' double doors |
BAA Qualified |
Yes |
Origin |
Made in USA |
Unit of Measure |
Each |
Limited Warranty |
10 Year Limited Warranty, 2 Year Warranty on electrified components |
Series |
8200 |
|---|---|
Model |
8273-12V |
Function Number |
73 |
ANSI Function |
F04 |
Operating Voltage |
12VDC |
Electrical Type |
Electro-mechanical |
Fail Mode |
Fail Safe |
Cylinder Configuration |
Double Cylinder |
Handing |
Field Reversible |
Door Thickness |
1-3/4" standard |
Backset |
2-3/4" standard |
Front |
1-1/4" x 8" |
Case Depth |
4-1/16" |
Case Height |
6" |
Fire Rating |
3 hour |
ANSI/BHMA Grade |
Grade 1 |




