Concord Pro-Lock 4-Wire Interlock with Wiring Harness

This Concord Pro-Lock interlock is designed for dependable door security and system integration on non-current Concord stair and vertical platform lifts. Commonly used on legacy units such as the Series 8000, this 4-wire configuration ensures proper communication between the lift and door locking mechanism.
The included wiring harness comes pre-terminated, simplifying replacement in compatible systems while maintaining proper electrical continuity. Built for durability and consistent performance, this interlock supports safe operation in aging lift installations where original components are no longer in production.

• 4-wire interlock configuration
• Includes pre-terminated wiring harness
• Compatible with legacy Concord lift systems
• Commonly used on Series 8000 models
• Designed for door locking and system communication
• Durable construction for long-term reliability
• Special-order component with variable lead time

This component should be installed and serviced by qualified professionals familiar with lift systems and electrical integration. Proper installation helps ensure safe and consistent operation of the equipment.