Yale B-AU4791LN ANSI/BHMA Grade 1 Certified Cylindrical Lock, Fail Secure Electrified Lever Lock, Cylinder Override, Prepped for SFIC Interchangeable Core, 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.
SFIC = Small Size Interchangeable Core (less core – sold separately)
- 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
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.
613e Dark Oxidized Satin Bronze equivalent, 626 Satin Chrome, BSP Black Suede Powder Coat
Electrified, with key override
12 VDC, 24 VDC
Certified ANSI/BHMA A156.2, Series 4000 Grade 1
Less Interchangeable Core
4-7/8” x 1-1/4” ASA/ANSI strike with curved lip to meet ANSI A115.2 door frame preparation
1-3/8" to 1-3/4"
UL-cUL fire rated up to 3 hours
Meets ADA requirements – A117.1 Accessibility Code
1/2” throw, deadlocking – 1-1/8" x 2-1/4" face
Yale - 4790LN BAU Fail Safe Electrified Lever Lock with Cylinder Override, SFIC Interchangeable Core Prep$251.54Usage: Heavy Duty
Yale - 4791LN AU Fail Secure Electrified Lever Lock with Cylinder Override$251.54Usage: Heavy Duty
Yale - 4790LN AU Fail Safe Electrified Lever Lock with Cylinder Override$251.54Usage: Heavy Duty
Securitron - BPS Boxed Linear Power SupplyStarting at: $227.85