George Risk Industries 4532DL-36 Overhead Door Contact Dpdt

Product Description

The George Risk Industries 4532DL-36 is a double-pole double-throw (DPDT) overhead door contact switch with a lead break configuration and a 36-inch arm lead. Designed for overhead door position sensing applications, this contact triggers a circuit state change as the door opens or closes. The DPDT switching arrangement provides two independent circuits in a single unit, making it suitable for monitoring, alarm, or control wiring schemes. Licensed security and low-voltage technicians are the primary installers for this type of device in commercial and industrial overhead door applications.

This overhead door contact is used in applications where door position status must be reported to a control panel, alarm system, or access control system. The 36-inch arm lead provides the reach needed to bridge the gap between the door frame and the moving door panel on larger overhead door assemblies. It is commonly installed in commercial warehouses, loading docks, and industrial facilities where overhead sectional or roll-up doors require supervised monitoring. The lead break design opens the circuit as the door activates, providing a reliable status signal.

Key Features

• DPDT switching configuration provides two independent circuit paths in one device
• 36-inch arm lead accommodates larger overhead door installations
• Lead break operation opens the circuit upon door movement for reliable position detection
• Sold individually as a single unit

Compatibility

Designed as an OEM-style replacement or new-installation component for overhead door contact applications requiring a DPDT switch with a lead break and extended arm lead.

Installation Notes

Installation should be performed by a licensed low-voltage or security technician familiar with door contact wiring and local codes. Disconnect and de-energize the control panel or alarm system before wiring the contact. Mount the contact body to the door frame and route the arm lead to make proper contact with the door panel at the correct position. Follow NEC low-voltage wiring requirements and the door manufacturer guidelines for hardware mounting.