
The Miller 301357 is a high-performance Large ID Current Sensor designed for heavy-duty industrial welding applications. Rated for 600 Amps, this solid-core sensor is a critical component in the feedback loop of advanced welding power sources. By accurately measuring the output current, it allows the machine's control board to regulate power delivery, ensuring a stable arc and consistent weld quality. As a genuine Miller Electric OEM part, it guarantees compatibility and performance standards that match the original specifications of your equipment.
This specific model features a "Solid Core" design. Unlike split-core sensors that can be snapped around a wire, a solid-core sensor is a continuous ring. This design typically offers higher accuracy, better linearity, and increased physical durability as there are no moving parts or hinges to break or corrode over time. The "Large ID" (Inner Diameter) is specifically engineered to accommodate the thick, high-amperage copper welding cables found in industrial machines, making it suitable for high-output power sources where standard sensors might not fit.
Replacing a faulty current sensor is essential for maintaining machine reliability. Symptoms of a failing sensor can include erratic arc performance, incorrect amperage readings on the digital display, or the machine shutting down due to feedback errors. When installing the Miller 301357, it is crucial to verify fitment using your machine's serial number, as Miller manufactures various sensors with similar appearances but different calibration parameters. This part is supplied as a single unit.
Key Technical Aspects:
| Additional Information |
|---|
| ----- new values below ---- |
| Product Type:Current Sensor |
| Core Type:Solid Core |
| Inner Diameter:Large ID |
| Current Rating:600A |
| Brand:Miller |
| Amps:600 |
| Packaging Description:1 Per Ea |