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The Lincoln Electric T12287-31 (9ST12287-31) is an OEM 20-amp thermal-magnetic circuit breaker designed for overcurrent protection in heavy-duty industrial welding equipment. This 2-pole, panel-mount device features a manual reset toggle and is specifically engineered for engine-driven welder control panels.
Features
Manual reset toggle mechanism
Threaded neck for secure panel installation
Dual AC/DC voltage compatibility
Thermal-magnetic trip technology
OEM factory replacement part
Specifications
Manufacturer: Lincoln Electric
Part Number: T12287-31
Alternate Part Number: 9ST12287-31
Current Rating: 20 Amps
Voltage Rating (AC): 250 VAC
Voltage Rating (DC): 32 VDC / 50 VDC
Number of Poles: 2-Pole
Breaker Type: Thermal-magnetic
Mounting Type: Panel-mount
Threaded Neck Size: 15/32-inch
Reset Type: Manual toggle
Applications
Air Vantage 500 engine-driven welders
Classic series engine-driven welders
Classic 2 engine-driven welders
Classic 3 engine-driven welders
SA250 engine-driven welders
SAE300 engine-driven welders
Product Attributes
Product Type
» Circuit Breaker
Rating
» 20 Amp
» 250 VAC/50 VDC
Torch/Machine Model
» Air Vantage® 500 Kubota Engine Driven Welding System
