Description
The Functional Devices RIBXLCA is a compact, versatile current sensing relay designed for HVAC and building automation applications where accurate load detection and switching are essential. Part of the trusted RIB® (Relay in a Box) product family, this unit combines a current sensor and a Single-Pole Double-Throw (SPDT) relay output in one self-contained package, simplifying installation and reducing wiring time.
How It Works
The RIBXLCA monitors current flow through a monitored circuit. When the sensed current exceeds the selected trip point — either 0.5A or 10A — the onboard SPDT relay energizes, providing a dry contact output that can be used to signal a building automation system, annunciator, or control panel. This makes it ideal for verifying that motors, fans, pumps, and other loads are actually running, not just commanded to run.
Key Features
- Dual trip-point current sensing: 0.5A or 10A selectable sensitivity
- SPDT relay output for flexible normally-open or normally-closed wiring
- Compact RIB® form factor for easy panel or enclosure mounting
- Designed for HVAC, building automation, and load verification applications
- Monitors motors, fans, pumps, and other AC loads
- Simplifies proof-of-operation verification in control systems
- No external power supply required for current sensing operation
Typical Applications
- Fan and blower motor proof-of-operation
- Pump run verification in hydronic and chilled water systems
- Compressor status monitoring
- Building automation and energy management system integration
- Load status feedback for DDC controllers
Why Choose the RIBXLCA
Functional Devices RIB® products are a go-to solution for HVAC technicians and controls contractors who need reliable, field-proven sensing and switching in a compact package. The RIBXLCA’s dual sensitivity setting accommodates a wide range of load types, while the SPDT output gives installers maximum wiring flexibility. Whether you’re verifying motor operation or integrating status feedback into a BAS, the RIBXLCA delivers dependable performance.
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