Functional Devices RIB21CDC-RD Enclosed Relay 10A SPDT, Class Dry Contact Input, 120-277VAC Power Input, Red Housing

Built for reliable switching in fire, security and surveillance applications, the Functional Devices RIB21CDC-RD enclosed relay provides dependable control where uptime matters. This 10A SPDT relay accepts a Class 2 dry contact input for safe, low-voltage triggering and runs on 120–277VAC for flexible installation across commercial and institutional systems. The compact red enclosure and screw-mount form factor make deployment simple for alarm panels, monitoring racks, and access control assemblies while giving clear visual identification for life-safety circuits.

Designed for continuous-duty service, the relay offers a long mechanical life and wide operating temperature range to withstand demanding environments. Integrators and facility managers benefit from reduced inventory complexity thanks to universal line-voltage compatibility and a standardized SPDT contact for pilot control and notification device circuits. RoHS-compliant and made in the USA, this unit supports regulatory and sustainability goals.

Choose the RIB21CDC-RD to streamline installations in fire alarm, security monitoring, and surveillance systems—order now or contact your rep to specify for your next project.

• Reliable control for security and fire systems: 10A SPDT relay delivers dependable switching for monitoring, alarm, and access control circuits.
• Wide voltage compatibility: 120–277VAC power input supports diverse building systems and simplifies inventory.
• Safe, low-voltage trigger: Class 2 dry contact input protects sensitive control panels and integrates easily with fire and security controllers.
• Durable, service-ready design: Enclosed red housing and screw-mount form factor speed installation and offer clear visual identification for fire applications.
• Long life and wide temperature range: Engineered for continuous duty and heavy use with long mechanical life and -30° to 140° F operating range.