Thumbwheel Switches | McMaster-Carr

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4 Products

Choosing an Electrical Switch

Digital Potentiometers

More precise than analog potentiometers, these have a three-digit display that is easy to read. Also known as variable output switches or rheostats, they vary electrical flow to control speed, volume, and light intensity.

Push Button

Potentiometers
		For Panel Cutout									Covers
Wattage	No. of Digits	Ht.	Wd.	Dp. Behind Panel	Housing Material	Wire Connection Type	No. of Terminals	Choose a Max. Resistance, kilohms		Each		Each
2 W @ 500 V AC	3	13/16"	1 7/16"	1 3/8"	Plastic	Solder Lugs	3	1, 5, 10, 20	0000000	000000	0000000	000000

Rotary Thumb Light Switches

Install these switches inline on a lamp cord.

For technical drawings and 3-D models, click on a part number.

No. of Circuits Controlled	Switch Action	Industry Designation	Color	Switching Current @ Voltage	Wire Connection Type	Specifications Met		Each
1	Stays Switched (Maintained)	SPST-NO	Brown	3 A @ 125 V AC	Snap On	UL Listed, CSA Certified	00000000	00000
1	Stays Switched (Maintained)	SPST-NO	White	3 A @ 125 V AC	Snap On	UL Recognized Component, CSA Certified	00000000	0000