Canadian owned and operated
There is nothing more frustrating than walking up to your welding rig, flipping the switch, and... nothing happens. A faulty power switch is a common wear item on hardworking welding machines, often failing due to dust ingress, mechanical wear, or electrical fatigue over thousands of cycles. The Tweco 7977884PKD is the genuine OEM replacement switch you need to restore life to your equipment and get back to fabrication. Don't rely on generic, unrated switches from the hardware store that might melt under the high electrical load of a welder; stick with the part engineered specifically for your machine.
This heavy-duty rocker switch features a reassuring, solid 'click' action and a bright green actuator that lets you know exactly when your machine is live. Rated for 16 Amps at 250 Volts, it is built to handle the power demands of professional inverters and MIG machines like the Thermal Arc Fabricator series. The Double Pole Single Throw (DPST) design adds an extra layer of safety by cutting power to both sides of the circuit, ensuring your machine is truly off when you flip the switch.
Installation is straightforward for anyone comfortable with basic machine maintenance. The switch features a snap-in design that pops directly into the existing slot on your welder's front or rear panel. The wiring connections use standard spade terminals, so you can simply unplug the wires from your old, broken switch and transfer them to the new one (always ensure the machine is unplugged and capacitors are discharged before servicing). Whether you are fixing a flickering light or a dead machine, this genuine Tweco part is the reliable solution to keep your shop running smoothly.
| Additional Information |
|---|
| Brand:Tweco |
| Amperage:16 |
| Voltage:250 V |
| Packaging Description:1 Per Ea |
| Switch Type:DPST (Double Pole Single Throw) |
| Actuator Color:Green |
| Mounting Style:Panel Mount / Snap-In |
| Application:Welding Power Source Control |
$350 Rebate
