Description
Product Overview
The Obida 90-380 is a heavy‑duty fan relay engineered for automotive and industrial HVAC systems. Constructed with a robust metal housing and silver‑plated contacts, it offers excellent conductivity and resistance to corrosion. Operating at 24 V AC, the normally open contacts provide reliable switching for blower motors, heating elements, and ventilation fans. Its compact dimensions (3 × 1.8 × 1.7 in) and panel‑mount screw connector make installation straightforward, while the non‑flammable design ensures safety in demanding environments.
Usage
Designed for heating, air‑conditioning, refrigeration and ventilation systems, this relay fits seamlessly into both original equipment and aftermarket installations. It is ideal for automotive service technicians replacing faulty blower relays, as well as for DIY enthusiasts upgrading HVAC components in trucks, RVs, or small commercial units. The screw‑type connector allows secure mounting on metal panels, ensuring a stable electrical connection even under vibration.

Why Choose Us
Obida’s reputation for durable automotive components backs this relay’s quality. Each unit undergoes rigorous testing for voltage tolerance, contact resistance, and fire resistance, guaranteeing long‑term performance. The relay’s universal compatibility with part numbers such as Jard 92380, Mars 90380, Packard PR380, and Zettler 2900‑1AB‑24A simplifies inventory management for service centers. Our commitment to precise engineering means you receive a product that meets OEM specifications without compromise.
Key Features
- 24 V AC coil voltage with 50/60 Hz operation for broad system compatibility
- Silver‑plated contacts provide low resistance and high durability
- Panel‑mount screw connector ensures secure, vibration‑resistant installation
- Non‑flammable, fire‑proof housing for enhanced safety in high‑heat environments
- Direct replacement for multiple OEM part numbers, reducing spare‑part complexity
FAQ
What vehicles or systems are compatible with the 90-380 relay?
The relay fits most automotive HVAC units, RV climate control systems, and small commercial refrigeration or ventilation setups that use a 24 V AC blower motor.
Can I replace the relay without removing the entire HVAC module?
Yes. The screw‑type panel mount allows you to detach the relay from the existing bracket while leaving the surrounding wiring intact, simplifying service time.
Is the relay suitable for continuous operation?
Absolutely. Its silver contacts and fire‑proof housing are designed for continuous duty cycles, making it ideal for systems that run for extended periods.
What is the warranty on this relay?
Obida provides a one‑year limited warranty covering manufacturing defects and performance failures under normal operating conditions.
Do I need any special tools to install the relay?
Standard screwdrivers and basic hand tools are sufficient. Ensure the power is disconnected before removal and installation for safety.




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