Description
Product Overview
The RY-737 is a DIN rail‑mountable relay designed for automotive applications, especially wiper motor control. It features a screw connector type, three terminals, and normally open contacts made from silver nickel oxide, offering excellent conductivity and corrosion resistance. Rated for 1 A continuous current, the relay measures 1.5 × 1.16 × 2.88 inches and weighs only 0.01 oz, making it a lightweight yet robust component. Manufactured by Standard Motor Products, it complies with industry standards and is not discontinued.

Usage
This relay is ideal for automotive wiper motor circuits, but its reliable switching makes it suitable for any low‑current motor control, HVAC fans, or auxiliary lighting in vehicles. Install it on a standard DIN rail in the engine bay or under the dashboard for a tidy, secure fit. The screw terminals simplify wiring, allowing quick connection to existing harnesses without special tools. It serves mechanics, DIY enthusiasts, and OEM suppliers who need dependable performance in harsh temperature and vibration conditions.
Why Choose Us
Standard Motor Products is known for rigorous quality testing and durable materials. The RY-737 leverages silver nickel oxide contacts that maintain low resistance even after thousands of cycles, reducing heat buildup. Our strict manufacturing controls ensure each unit meets exact specifications, providing consistent operation and minimizing warranty claims. Choose this relay for its proven reliability, easy installation, and compliance with automotive standards.
Key Features
- Silver nickel oxide contacts for high conductivity and corrosion resistance
- 1 A continuous current rating suitable for wiper motor control
- Three screw terminals for straightforward wiring and secure connections
- Compact DIN rail mounting design for space‑constrained automotive panels
- Manufactured by Standard Motor Products, ensuring OEM‑grade quality and durability
FAQ
What is the contact rating of the RY-737 relay?
The relay is rated for a continuous current of 1 ampere with silver nickel oxide contacts, providing reliable switching for low‑current motor applications.
Can the RY-737 be used in non‑automotive applications?
Yes, while it is optimized for automotive wiper motors, the relay’s specifications make it suitable for any 1 A switching task in industrial control panels, HVAC systems, or lighting circuits.
How do I mount the relay on a DIN rail?
The relay includes built‑in DIN rail clips. Align the clips with the rail, press firmly until it snaps into place, and secure the wiring to the screw terminals.
Is the relay compatible with 12 V and 24 V systems?
Yes, the coil voltage range covers typical automotive voltages, making it compatible with both 12 V and 24 V electrical systems.
What warranty does Standard Motor Products offer?
Standard Motor Products provides a limited one‑year warranty covering manufacturing defects, ensuring you receive a reliable product backed by the brand’s support.





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