Switch Lock - Mul-T-Lock high-security product

Mul-T-Lock Switch Lock

The Mul-T-Lock Switch Lock is a key-operated switch that controls electrical circuits, providing physical key-based authorization for equipment power, HVAC systems, elevator operation, and other critical infrastructure. It replaces standard switch locks with Mul-T-Lock's patented key control, preventing unauthorized operation of sensitive equipment.

Common Applications

  • Elevator key-switch controls
  • HVAC system on/off authorization
  • Industrial machinery safety lockout
  • Building lighting control panels
  • Generator start/stop controls
  • Security system arm/disarm switches
  • Fire alarm panel access

Key Features

  • Key-operated switch mechanism (on/off or multi-position)
  • Controls electrical circuits up to rated amperage
  • Panel-mount with standard cutout dimensions
  • Patented high-security keyway
  • Master key compatible
  • Multiple switch positions available (2, 3, or 4)
  • Key-retaining in specified positions
  • UL-rated for electrical switching applications

In NYC high-rises and commercial buildings, switch locks control critical systems -- elevators, fire pumps, emergency lighting, and HVAC. Standard switch locks use simple key mechanisms that can be bypassed. Upgrading to Mul-T-Lock switch locks ensures that only authorized building engineers and maintenance personnel can operate critical building systems.

Call for Pricing & Availability

Our licensed locksmiths will provide a quote including professional installation.

Call Now (718) 412-1332 Request Information

Ready to Upgrade Your Security?

As an authorized Mul-T-Lock dealer, we provide genuine products with professional installation across all 5 NYC boroughs. Licensed, insured, available 24/7.

Call (718) 412-1332