OCB-502 – External-Connected Relay Module for Access Control Systems

The OCB-502 External-Connected Relay Module is a professional-grade accessory designed to expand and isolate relay outputs in access control installations. Engineered for reliability and ease of integration, this module provides dry-contact relay performance suitable for controlling electronic locks and door hardware when connected to external access controllers. Its compact form factor and robust electrical ratings make it ideal for commercial and industrial security projects requiring dependable relay control.

Product Features

• External-connected relay module for access control applications
• Designed for controlling electronic door locks via external access controllers
• Dry contact (NO/NC/COM) relay performance for broad compatibility
• High load capacity: 6A @ 110VAC / 6A @ 30VDC
• Compact and lightweight design for tight installation spaces
• Quality components and professional construction
• Easy installation and reliable long-term operation
• Suitable for continuous-duty access control environments

Product Advantages

• Provides safe relay isolation between controller and lock hardware
• Enhances system flexibility for door control projects
• Supports higher load switching without stressing the controller output
• Compact size simplifies panel and enclosure mounting
• Reliable electrical performance for professional installations
• Ideal for retrofit and new access control deployments
• Improves overall system stability and longevity

Professional Applications

• Access control systems
• Electronic and electromagnetic door lock control
• Door release and strike control
• Security and alarm system integrations
• Commercial and industrial access installations
• CCTV and integrated security solutions

The OCB-502 External-Connected Relay Module delivers reliable dry-contact switching and high load capacity in a compact form, making it a dependable professional solution for extending and protecting relay outputs in access control systems.