Functional Devices RIB2421B Enclosed Relay 20A SPDT Multi-Voltage Control

The Functional Devices RIB2421B is a versatile enclosed relay designed for HVAC, building automation, and industrial control applications. This relay features a 20 amp single pole double throw (SPDT) switching configuration, providing both normally open and normally closed contacts for flexible control of electrical loads.

Key Features:

• 20 amp SPDT relay with pilot duty rating for motor and lighting control
• Multi-voltage coil accepts 24 Vac/dc, 120 Vac, or 208-277 Vac input
• Enclosed design with screw terminal connections for easy wiring
• UL listed for reliability and safety compliance
• Compact enclosure suitable for panel mounting or installation in electrical boxes
• LED coil status indicator for troubleshooting
• Removable hinged cover for access to terminals

The RIB2421B's multi-voltage capability eliminates the need to stock multiple relay types, making it ideal for service technicians and system integrators. The relay's enclosed design protects internal components from dust and accidental contact while providing clear terminal labeling for straightforward installation.