Yale 4791LN AU Fail Secure Electrified Lever Lock with Cylinder Override

Usually Ships: 20-30 Business Days
  • Heavy-Duty, ANSI/BHMA Certified Grade 1
  • Available in 12 or 24 volts DC
  • ADA compliant, 3-hour fire-rated

Available Options:

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Yale AU4791LN ANSI/BHMA Grade 1 Certified Cylindrical Lock, Fail Secure Electrified Lever Lock, Cylinder Override, Augusta Lever

Electric locks provide the ability to electrically lock or unlock the outside trim from a remote location. Fail Safe locks are commonly used in stair towers to release upon fire alarm activation. Fail Secure locks are used on perimeter doors or security doors to allow ingress using access control technologies (proximity cards, keypads, etc.)

Fail Secure – Deadlocking latchbolt by lever either side except when power off locks outside lever. Power on/unlocks outside lever. Inside lever always free. Latchbolt retracted by key when power is off.

  • Free Wheeling lever mechanism
  • Self-contained, continuous-duty integral solenoid (allows installation in standard cylindrical prep)
  • Available in 12 or 24 volts DC
  • External rectifier available upon request for AC operation
  • Certified ANSI/BHMA Grade 1
  • UL listed
  • Continuous duty solenoid
    150 mA @ 24VDC
    300 mA @ 12VDC

Electrolynx®

Yale® 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.

codes

Brand

Finishes

613e Dark Oxidized Satin Bronze equivalent, 626 Satin Chrome, BSP Black Suede Powder Coat

Lock Function

Electrified, with key override

Cylinder & Keys

5-pin or 6-pin conventional, keyed different, with 2 keys

Keyway

Schlage C Keyway, Yale E1R (Para) Keyway

Voltage

12 VDC, 24 VDC

ANSI/BHMA Standard

Certified ANSI/BHMA A156.2, Series 4000 Grade 1

Usage

Heavy Duty

Backset

2-3/4"

Strike

4-7/8” x 1-1/4” ASA/ANSI strike with curved lip to meet ANSI A115.2 door frame preparation

Handing

Non-Handed

Lever Design

AU (Augusta)

Door Thickness

1-3/8" to 1-3/4"

Fire Rating

UL-cUL fire rated up to 3 hours

ADA Compliance

Meets ADA requirements – A117.1 Accessibility Code

Latch

1/2” throw, deadlocking – 1-1/8" x 2-1/4" face

Warranty

1 Year

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Yale 4791LN AU Fail Secure Electrified Lever Lock with Cylinder Override