Description
The Functional Devices RIB01SBDC is a robust, enclosed single-pole single-throw (SPST) relay engineered for dependable switching in commercial and residential HVAC control applications. Designed to operate on a 120VAC coil, this relay delivers a 20-amp contact rating, making it well-suited for fan, pump, damper, and general load switching tasks throughout building automation and mechanical systems.
Key Features
- 120VAC coil voltage for broad compatibility with standard HVAC control circuits
- 20-amp contact rating handles demanding switching loads
- SPST (Single-Pole Single-Throw) normally open contact configuration
- Hand-Off-Auto (HOA) override switch for manual control and commissioning flexibility
- Compact enclosed housing protects internal components from dust and debris
- Plug-in design simplifies installation, replacement, and field servicing
- Indicator LED provides at-a-glance relay status confirmation
Typical Applications
- Fan and blower motor switching in air handling units
- Pump and circulator relay control in hydronic systems
- Damper actuator and valve control circuits
- Building automation and DDC system output switching
- General load switching in commercial HVAC panels
Product Specifications
- Brand: Functional Devices
- Model / SKU: RIB01SBDC
- Coil Voltage: 120VAC
- Contact Rating: 20 Amps
- Contact Configuration: SPST (Normally Open)
- Override: Hand-Off-Auto (HOA)
- Enclosure: Enclosed, plug-in style
The RIB01SBDC’s Hand-Off-Auto override switch is a standout feature for HVAC technicians — it allows manual operation of the connected load during startup, testing, and troubleshooting without requiring control signal input. This reduces commissioning time and simplifies diagnostics in the field. Trust Functional Devices’ proven RIB relay platform to deliver long-term reliability in your next HVAC or building controls project.
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