Description
The Functional Devices RIBU2S2 is a robust pilot control relay engineered for dependable switching performance in commercial and residential HVAC control applications. Featuring two Single-Pole Single-Throw Normally Open (SPST N/O) contacts rated at 10 amps, this relay is well-suited for interfacing low-voltage control circuits with line-voltage loads, fan coil units, air handling equipment, and a wide range of building automation systems.
Functional Devices’ RIBU (Relay in a Box Universal) series is a trusted staple among HVAC contractors and controls technicians, offering compact, enclosure-mounted relay solutions that simplify field installation and reduce wiring time.
Key Features
- 2 SPST Normally Open (N/O) contact configuration
- 10A contact current rating for reliable load switching
- Pilot duty relay design for HVAC control circuit applications
- Compact, self-contained enclosure for easy field mounting
- Suitable for use with building automation, fan coil, and air handling control systems
- Part of Functional Devices’ trusted RIBU universal relay series
Specifications
- SKU: RIBU2S2
- Brand: Functional Devices
- Contact Type: 2 SPST N/O (Normally Open)
- Contact Rating: 10A
- Relay Type: Pilot Control Relay
Applications
- HVAC control circuit switching
- Fan coil unit control
- Air handling unit interfacing
- Building automation system integration
- Low-voltage to line-voltage signal conversion









