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This speed control potentiometer works an mini lathes and mini mills where the part number on the circuit board begins with FC. It has a switch on the back that is used with the emergency stop switch on some mini mills and mini lathes. If your machine doesn't have an emergency stop switch, simply ignore the switch contacts.
This is a 4.7K potentiometer with a switch. The switch contacts are closed when the switch is in the fully counter clockwise (off) position.
Use this potentiometer with motor controller boards where the part number begins with FC
*NOTE* Although the picture shows this with a knob, we do not guarantee this part will come with a knob. This part is for the potentiometer itself and it may or may not come with a knob.
This product works with these LittleMachineShop.com products: