Description

Accentra 4781LN Fail Secure Electrified Lever

The Accentra 4781LN is a high-security fail secure electrified lever designed for versatile access control applications. Its deadlocking latchbolt ensures the outside lever remains locked when the power is off, while power activation unlocks the outside lever. The inside lever is always free, providing safe egress at all times.

Available Options

• No Cylinder Override (Complete Lockset)
• Lockbodies (Lockbody-Only Version)

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 Secure Electrified Lever – Outside lever remains locked when power is off

• Operation:
• • Deadlocking latchbolt operates by lever on either side except when power is off, which locks the outside lever
  • Power on unlocks outside lever for access
  • Inside lever always free for safe egress
  • Free-wheeling lever prevents forced rotation damage
  • 12V DC or 24V DC selectable operation
  • Continuous-duty solenoid: 150 mA @ 24VDC, 300 mA @ 12VDC
• 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 strict access control with fail secure operation
• Enhances safety with inside lever always free for egress
• Protects against damage with free-wheeling lever design
• Ideal for high-security areas, institutions, utility rooms, and restricted 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

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

Manufacturers Website