Canadian owned and operated
When your welding machine shuts down due to overheating, it is the thermal protection system doing its job. If that system fails or acts erratically, the Miller 193247 Thermostat is the genuine replacement part you need to restore reliability. This thermal overload switch is the first line of defense for your welder's internal electronics, designed to cut power before heat can cause permanent damage to the transformer or inverter board.
The Miller 193247 is a Normally Closed (NC) switch, meaning it allows current to flow until it senses a temperature of 85°C. At that point, it 'opens' the circuit, stopping the welding arc and forcing a cooling period. It will automatically reset and close the circuit once the temperature falls back to a safe 71°C. This automatic reset feature is crucial for busy shops, as it allows the machine to recover without manual intervention, provided the cooling fans are operating correctly.
Installation is straightforward thanks to the industry-standard flange mount and quick-connect Faston terminals. Whether you are troubleshooting a machine that won't strike an arc or replacing a sensor that has failed open, this OEM part ensures your Miller welder operates within its designed thermal limits. Don't bypass safety switches or use unverified parts; protect your investment with the correct Miller thermal switch.
| Additional Information |
|---|
| Brand:Miller |
| Packaging Description:1 Per Ea |
| Product Type:Thermostat, Thermal Switch |
| Switch State:Normally Closed (NC) |
| Open Temperature:85°C |
| Close Temperature:71°C |
| Mounting Style:Flange |
| Terminal Type:Faston |
$350 Rebate
