Product Overview
RIBU1C Enclosed Relay - SPDT, 10A, 120VAC Coil, LED Indicator, Made in USA
Condition
Single unit available. Unused NOS - found in the original box, which shows light wear on the exterior. The relay itself is in excellent condition with no signs of use. Label markings visible: code 397001AB, date code 071811. Made in the USA. Sourced from an electronics distributor consolidating inventory. Evaluation: Visual inspection only. Function testing not performed.
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Product Overview
Functional Devices RIBU1C is an enclosed relay module with a built-in LED status indicator and bare wire leads for direct wiring. Designed for HVAC control panels, building automation, and general-purpose switching, it provides a compact, self-contained relay solution without requiring a separate socket or base. The gray plastic enclosure houses the relay mechanism and indicator in a form factor suited for panel mounting or free-hanging installation.
Key Features
- SPDT switching configuration
- 10A contact rating
- 120VAC coil voltage
- Built-in red LED status indicator
- Multi-color bare wire leads for direct wiring - no socket required
- Gray plastic enclosed housing
- Zinc-plated mounting screw with tabbed lock washer included
- Made in the USA
- Date code 071811 visible on label
Applications
- HVAC technician wiring a fan relay or damper control circuit in a rooftop unit or air handler
- Building automation installer replacing a failed relay in a VAV box or zone controller
- Electrical contractor adding a control relay to a light commercial panel for interlock or switching duty
- Maker or hobbyist wiring a 120VAC switching relay into a home automation or power control project without needing a separate relay base
Frequently Asked Questions
Does this relay require a separate socket or base?
No. The RIBU1C is an enclosed relay with bare wire leads. It wires directly into the circuit without a socket or DIN rail base.
What coil voltage does this relay operate on?
120VAC coil voltage, confirmed from the unit markings.
Is the mounting hardware included?
Yes. A zinc-plated screw with tabbed lock washer is present with the unit, both free of corrosion or deformation per visual inspection.
What does the LED indicator show?
The red LED indicates coil energization - it lights when the relay is powered. The LED is unlit in the photos, consistent with the relay being in its unpowered, unused state.
The box took a little road wear over the years - the relay inside never did. Date code 071811, still waiting on its first job.
