173069 - Miller 12VDC SPDT 5-Pin Flange Mount Relay

Reliable Switching for Industrial Equipment

The Miller 173069 Relay is a critical electromechanical component designed to restore the functionality of your Miller welding equipment. As a genuine OEM replacement part, this enclosed relay ensures that your machine operates within its original factory specifications, providing peace of mind and reducing downtime associated with component failures. Relays are the unsung heroes of welding power sources, often responsible for managing control signals, activating gas solenoids, or switching power to auxiliary circuits. When a relay fails, it can lead to intermittent operation or total machine failure, making a high-quality replacement essential.

This specific unit features a 12V DC coil, a standard voltage for control circuits in many engine-driven welders and electric power sources. It utilizes a Single Pole Double Throw (SPDT) configuration, which allows it to switch a common circuit between two distinct paths (Normally Open and Normally Closed). This versatility makes it suitable for a wide range of switching applications within the machine's internal architecture. The relay is rated for 30 Amps on the normally open circuit and 20 Amps on the normally closed circuit, providing ample capacity for most control level loads.

Durability is key in industrial environments. The Miller 173069 features an enclosed housing that helps shield the sensitive internal contacts from the ingress of dust, metal shavings, and other contaminants prevalent in welding shops. The integrated flange mount allows for secure fastening to the machine's chassis, preventing the relay from vibrating loose during operation—a crucial feature for engine-driven equipment that generates significant vibration. With its 5-pin connection layout, it is designed for straightforward plug-and-play installation where the mating harness is available.

By choosing this genuine Miller part, you avoid the risks associated with generic aftermarket relays that may not meet the specific resistance or current-handling requirements of your welder's control board. Ensure consistent performance and extend the lifespan of your equipment with the correct specified components.