Functional Devices RIB2421C Enclosed Relay SPDT 24VAC, 10A

When consistent, dependable switching matters, the Functional Devices RIB2421C enclosed relay delivers. This pilot-rated SPDT relay provides a customer-focused solution for control of lighting, access panels, alarm circuits and auxiliary devices in security, surveillance and building monitoring systems. With a 10A contact rating and versatile coil options — 24VAC/DC or wide-range 120–277VAC — it minimizes spare parts and adapts to varied control voltages on-site. The enclosed design protects connections and reduces risk during installation and maintenance, while the compact 3" x 2" housing makes retrofits and panel layouts simpler. RoHS and WEEE compliance plus US-based manufacturing give procurement teams confidence in environmental and quality standards. Ideal for integrators, electricians and facilities managers who need a robust, easy-to-install pilot relay for access control, alarm monitoring or lighting control. Add the Functional Devices RIB2421C to your next security or networking project for reliable switching performance — order now or contact our team for application support.

• Ensures reliable control for lighting, alarms and auxiliary circuits with a 10A SPDT contact that reduces downtime and maintenance.
• Dual coil compatibility (24VAC/DC and 120–277VAC) cuts SKUs and simplifies inventory for installers and integrators.
• Enclosed, durable housing protects wiring and contacts for safer deployments in security, surveillance and monitoring environments.
• Compact 3" x 2" footprint fits tight panels and retrofit projects, saving cabinet space and installation time.
• RoHS/WEEE certified and US-manufactured for code compliance and long-term system reliability.