Description
Accentra 4790LN Fail Safe Electrified Lever
The Accentra 4790LN is a reliable fail safe electrified lever designed for versatile access control applications. Its deadlocking latchbolt operates by lever on either side, while power-off automatically unlocks the outside lever. The inside lever is always free for safe egress, and the latchbolt can also be retracted by key when power is on (Cylinder Override option).
Available Options
- Cylinder Override (Complete Lockset): Includes a mechanical key cylinder for backup manual access in addition to electronic operation.
- Lockbodies (Lockbody-Only Version): Includes only the internal locking mechanism without cylinder or external hardware; requires compatible power and access control.
Lever Options
- Standard Series
- AU – Augusta, MO – Monroe, PB – Pacific Beach
- Reflections Series
- TB – Hudson Lever, UB – Hudson Lever, B-AU – Augusta Lever
Key Features
-
Function: Fail Safe Electrified Lever – Outside lever unlocks automatically when power is off
- Operation:
- Deadlocking latchbolt operates by lever on either side except when power is on, which locks the outside lever
- Power off automatically unlocks outside lever
- Inside lever always free for safe egress
- Latchbolt can be retracted by key when power is on (Cylinder Override)
- 12V DC or 24V DC selectable operation
- Applications: Commercial doors, institutional areas, high-traffic access points
- Construction: Heavy-duty Grade 1 performance
- Handing: Non-handed for easier installation
- Compatibility: Requires compatible electrified accessories and power supplies; works with all 4700LN cylinder options
- Perfect For: Access-control doors, stairwells, corridors, schools, hospitals, and commercial facilities.
Benefits
- Ensures reliable access control with fail safe operation
- Enhances safety with inside lever always free for egress
- Allows keyed access when needed (Cylinder Override)
- Lockbody option offers flexibility for custom installations
- Ideal for commercial, institutional, and restricted-access environments
Electrolynx®
Electrified 4700LN locks are equipped with ElectroLynx connectors. As a standard feature, these connectors link power from the incoming source to electrified locking products, including hinges, locks, exit devices, magnetic holders and strikes.
Note: Electrified door hardware with ElectroLynx connectors requires a compatible number of lead wires attached to the door hinge.
Specifications
- ANSI/BHMA: A156.2, Series 4000, Grade 1
- Backset: 2-3/4″ standard (other options available)
- Cylinder Formats: Conventional, Large Format IC, Small Format IC
- Pins: 6-pin (when keyed cylinder format is used)
- Door Thickness: 1-3/4″ standard (1-3/8″ to 2-1/4″ range)
- Latchbolt Throw: 1/2″
- Strike: ANSI curved lip
- Handing: Non-handed
- Max Backset: 19″
- UL/ULC Listed: Yes, up to 3 hours
- Warranty: 5-year mechanical warranty
Certifications
- ANSI/SDI 250.13
- UL/cUL Fire Rated (Up to 3 Hours)
- ADA Compliant
- NFPA 80
- ASTM E1886, E1996, E330
- Florida Building Code Approved (FL# 3063)
- TAS 201, 202, 203
- ICC A117.1
- ANSI/BHMA A156.2 (Grade 1)
- ANSI/BHMA A156.41










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