Description
Product Overview
The RY109T is a high‑quality relay engineered by Standard Motor Products for reliable motor control. Constructed with a copper alloy contact, it offers excellent conductivity and resistance to wear. The screw‑type connector ensures a secure electrical connection, while the normally open contact design provides precise circuit interruption. Rated for 10 amps, this DIN rail‑mountable unit fits standard automotive and industrial panels, delivering consistent performance in demanding environments.
Usage
Designed for automotive replacement circuit opening applications, the RY109T excels in controlling starter motors, fuel pumps, and cooling fans. It is also suitable for industrial machinery where a compact, robust relay is required. Install the unit on a DIN rail within a control panel, connect the screw terminals, and integrate it into motor control circuits for reliable operation.

Why Choose Us
Standard Motor Products is renowned for precision engineering and rigorous quality testing. Each RY109T relay undergoes thorough inspection to meet automotive standards, ensuring durability and safety. Our commitment to using premium copper alloy contacts reduces contact resistance and extends service life, giving you confidence in critical motor control applications.
Key Features
- Durable copper alloy contacts for superior conductivity
- 10 A current rating suitable for motor and automotive loads
- Compact DIN rail mounting for easy panel installation
- Screw terminals provide secure, low‑resistance connections
- Normally open design ensures precise circuit control
FAQ
What is the contact rating of the RY109T relay?
The relay is rated for a continuous current of 10 amps, making it ideal for most motor control applications.
Can the RY109T be used in automotive replacement circuits?
Yes, it is specifically designed for automotive replacement circuit opening relays and meets the required standards.
How is the relay mounted?
The unit features a DIN rail mounting style, allowing quick and secure installation in standard control panels.
What type of connector does the relay use?
It uses screw‑type terminals, which provide a reliable mechanical and electrical connection.
Is the relay suitable for industrial applications?
Absolutely. Its robust construction and 10 A rating make it suitable for a variety of industrial motor control tasks.




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