THROUGH HOLE-STRAIGHT Thumb & Pushwheel Switches 78

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Part	Manufacturer	Switch Type	Mounting Feature	Switch Function	Type (Actuator)	Contact Function	AC Maximum Rating R Load (Contact)	Center Contact Plating	Body Color	Angle (Actuator)	Dielectric Withstand Volts (V)	Electrical Life	Insulation Resistance	Body Length/Diameter	Body Width	Length (Bushing)	No. of Switch Sections	Contact Timing	Insulator Material	End Contact Plating	Body Height	DC Maximum Rating R Load (Contact)	Maximum Operating Temperature	Maximum AC Contact Current	Minimum Operating Temperature	Length (Actuator)	Switch Action	Maximum DC Contact Current	Termination Type	Manufacturer Series	Contact Resistance	PCB Hole Count	No. of Positions	Maximum DC Contact Voltage	Additional Features	Maximum AC Contact Voltage	Terminal Length
A7CN-L206-PM-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL								20000 Cycle(s)		68 mm	16 inch		1				15.5 mm	.1A@28VDC	65 Cel		-10 Cel			.1 A	SOLDER	A7CN-L			10	28 V
A7AS-222-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BCD COMPLEMENT	THUMBWHEEL	ON-ON	0.1A@50VAC		BLACK		1000VAC	50000 Cycle(s)	1000000000 ohm	29.9974 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL		32.004 mm	0.1A@28VDC	85 Cel	.1 A	-40 Cel	.118 inch		.1 A	SOLDER	A7AS	200 mohm			28 V	DUSTPROOF, END CAPS	50 V
A7AS-207	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED	THUMBWHEEL	ON-ON	0.1A@50VAC		GRAY		1000VAC	50000 Cycle(s)	1000000000 ohm	29.9974 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL		32.004 mm	0.1A@28VDC	85 Cel	.1 A	-40 Cel	.118 inch		.1 A	SOLDER	A7AS	200 mohm			28 V	DUSTPROOF, END CAPS	50 V
A7AS-207-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED	THUMBWHEEL	ON-ON	0.1A@50VAC		BLACK		1000VAC	50000 Cycle(s)	1000000000 ohm	29.9974 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL		32.004 mm	0.1A@28VDC	85 Cel	.1 A	-40 Cel	.118 inch		.1 A	SOLDER	A7AS	200 mohm			28 V	DUSTPROOF, END CAPS	50 V
A7CN-L206-PM	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL								20000 Cycle(s)		68 mm	16 inch		1				15.5 mm	.1A@28VDC	65 Cel		-10 Cel			.1 A	SOLDER	A7CN-L			10	28 V
A7BS-207-P2-S06-D	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7BS-207-P2-S06-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7MA-206-P2-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	THUMBWHEEL	ON-ON		GOLD	BLACK		1000VAC	20000 Cycle(s)	1000000000 ohm	18.0086 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL	GOLD	18.9992 mm	0.1A@28VDC	65 Cel		-10 Cel	.079 inch	CIRCULAR	.1 A	SOLDER	A7MA	200 mohm	10	1	28 V	FRONT MOUNTING		.138 inch
A7CN-206-PM	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL								20000 Cycle(s)		68 mm	16 inch		1				15.5 mm	.1A@28VDC	65 Cel		-10 Cel			.1 A	SOLDER	A7CN			10	28 V
A7CN-L206-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	THUMBWHEEL	BINARY CODED			BLACK	0 deg	200VAC	20000 Cycle(s)		68 mm	16 inch		1				15.5 mm	.1A@28VDC	65 Cel		-10 Cel	.098 inch	VERTICAL	.1 A	SOLDER	A7CN-L	200 mohm		10	28 V	SNAP IN MOUNTING		.138 inch
A7AS-203-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED	THUMBWHEEL	ON-ON	0.1A@50VAC		BLACK		1000VAC	50000 Cycle(s)	1000000000 ohm	29.9974 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL		32.004 mm	0.1A@28VDC	85 Cel	.1 A	-40 Cel	.118 inch		.1 A	SOLDER	A7AS	200 mohm			28 V	DUSTPROOF, END CAPS	50 V
A7D-206	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	PUSHBUTTON	BINARY CODED			GRAY	0 deg	1000VAC	20000 Cycle(s)	100000000 ohm	55.9 mm	16 inch	0 inch	1	BREAK-BEFORE-MAKE			17.5 mm	.1A@30VDC	70 Cel		-10 Cel	.146 inch	MOMENTARY	.1 A	SOLDER	A7D	200 mohm		10	30 V	PANEL MOUNTABLE		.146 inch
A7BS-207-P2-S06-D-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7BL-207-P2-D	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BL			10	28 V	PANEL MOUNTABLE	50 V
A7AS-203	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED	THUMBWHEEL	ON-ON	0.1A@50VAC		GRAY		1000VAC	50000 Cycle(s)	1000000000 ohm	29.9974 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL		32.004 mm	0.1A@28VDC	85 Cel	.1 A	-40 Cel	.118 inch		.1 A	SOLDER	A7AS	200 mohm			28 V	DUSTPROOF, END CAPS	50 V
A7MA-206-P2-PM	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	THUMBWHEEL	ON-ON		GOLD	GRAY		1000VAC	20000 Cycle(s)	1000000000 ohm	18.0086 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL	GOLD	18.9992 mm	0.1A@28VDC	65 Cel		-10 Cel	.079 inch	CIRCULAR	.1 A	SOLDER	A7MA	200 mohm	10	1	28 V	FRONT MOUNTING		.138 inch
A7BL-206-P2-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BL			10	28 V	PANEL MOUNTABLE	50 V
A7CN-L206	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	THUMBWHEEL	BINARY CODED			GRAY	0 deg	200VAC	20000 Cycle(s)		68 mm	16 inch		1				15.5 mm	.1A@28VDC	65 Cel		-10 Cel	.098 inch	VERTICAL	.1 A	SOLDER	A7CN-L	200 mohm		10	28 V	SNAP IN MOUNTING		.138 inch
A7AS-206-PM-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED	THUMBWHEEL	ON-ON	0.1A@50VAC		BLACK		1000VAC	50000 Cycle(s)	1000000000 ohm	29.9974 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL		32.004 mm	0.1A@28VDC	85 Cel	.1 A	-40 Cel	.118 inch		.1 A	SOLDER	A7AS	200 mohm			28 V	DUSTPROOF, END CAPS	50 V
A7CN-206	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	THUMBWHEEL	BINARY CODED	0.1A@50VAC		GRAY	0 deg	200VAC	20000 Cycle(s)		68 mm	16 inch		1				15.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel	.106 inch	CIRCULAR	.1 A	SOLDER	A7CN	200 mohm		10	28 V	FRONT MOUNTING	50 V	.138 inch
A7BS-207-P2-D-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7BS-254-P2-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED HEXADECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			16	28 V	PANEL MOUNTABLE	50 V
A7BS-207-P2-S06	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7BL-207-P2-S06	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BL			10	28 V	PANEL MOUNTABLE	50 V
A7BS-207-P2-S	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7BL-207-P1-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BL			10	28 V	PANEL MOUNTABLE	50 V
A7BS-207-1-P2	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7BL-207-P2-S06-D	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BL			10	28 V	PANEL MOUNTABLE	50 V
A7BS-207-P2-D	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7BS-219-P2-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7BS-207-S-P2-D-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7D-206-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	PUSHBUTTON	BINARY CODED			BLACK	0 deg	1000VAC	20000 Cycle(s)	100000000 ohm	55.9 mm	16 inch	0 inch	1	BREAK-BEFORE-MAKE			17.5 mm	.1A@30VDC	70 Cel		-10 Cel	.146 inch	MOMENTARY	.1 A	SOLDER	A7D	200 mohm		10	30 V	PANEL MOUNTABLE		.146 inch
A7BS-206-P2-S06-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7BL-207-P2	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BL			10	28 V	PANEL MOUNTABLE	50 V
A7MA-106-P2	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	THUMBWHEEL	ON-ON		GOLD	BLACK		1000VAC	20000 Cycle(s)	1000000000 ohm	21.9964 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL	GOLD	18.9992 mm	0.1A@28VDC	65 Cel		-10 Cel		CIRCULAR	.1 A	SOLDER	A7MA	200 mohm	10	1	28 V	BACK MOUNTING		.138 inch
A7BS-255-P2-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED HEXADECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			16	28 V	PANEL MOUNTABLE	50 V
A7MA-107-P2	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	THUMBWHEEL	ON-ON		GOLD	BLACK		1000VAC	20000 Cycle(s)	1000000000 ohm	21.9964 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL	GOLD	30.988 mm	0.1A@28VDC	65 Cel		-10 Cel		CIRCULAR	.1 A	SOLDER	A7MA	200 mohm	10	1	28 V	BACK MOUNTING		.138 inch
A7AS-206-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED	THUMBWHEEL	ON-ON	0.1A@50VAC		BLACK		1000VAC	50000 Cycle(s)	1000000000 ohm	29.9974 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL		32.004 mm	0.1A@28VDC	85 Cel	.1 A	-40 Cel	.118 inch		.1 A	SOLDER	A7AS	200 mohm			28 V	DUSTPROOF, END CAPS	50 V
A7MA-206-P2-PM-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	THUMBWHEEL	ON-ON		GOLD	BLACK		1000VAC	20000 Cycle(s)	1000000000 ohm	18.0086 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL	GOLD	18.9992 mm	0.1A@28VDC	65 Cel		-10 Cel	.079 inch	CIRCULAR	.1 A	SOLDER	A7MA	200 mohm	10	1	28 V	FRONT MOUNTING		.138 inch
A7MA-207-P2-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	THUMBWHEEL	ON-ON		GOLD	BLACK		1000VAC	20000 Cycle(s)	1000000000 ohm	18.0086 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL	GOLD	30.988 mm	0.1A@28VDC	65 Cel		-10 Cel	.079 inch	CIRCULAR	.1 A	SOLDER	A7MA	200 mohm	10	1	28 V	FRONT MOUNTING		.138 inch
A7AS-206	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED	THUMBWHEEL	ON-ON	0.1A@50VAC		GRAY		1000VAC	50000 Cycle(s)	1000000000 ohm	29.9974 mm	16.002 inch	0 inch		BREAK-BEFORE-MAKE	POLYACETAL		32.004 mm	0.1A@28VDC	85 Cel	.1 A	-40 Cel	.118 inch		.1 A	SOLDER	A7AS	200 mohm			28 V	DUSTPROOF, END CAPS	50 V
A7BS-206-P2-S	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			10	28 V	PANEL MOUNTABLE	50 V
A7BL-206-P2	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BL			10	28 V	PANEL MOUNTABLE	50 V
A7BS-255-P2	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED HEXADECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BS			16	28 V	PANEL MOUNTABLE	50 V
A7F-241-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	PUSHBUTTON	BINARY CODED			BLACK	0 deg	1000VAC	2000 Cycle(s)	100000000 ohm	16.002 mm	7.0104 inch	0 inch		BREAK-BEFORE-MAKE			16.2052 mm	0.1A@5VDC	70 Cel		-10 Cel	.075 inch	MOMENTARY	.1 A	SOLDER	A7F	1000 mohm		8	5 V	PEN-PUSH TYPE, HORIZONTAL		.201 inch
A7MD-106-P-09-D	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	THUMBWHEEL	BINARY CODED			BLACK		1000VAC	20000 Cycle(s)	1000000000 ohm		16.002 inch						13.97 mm	0.1A@28VDC	65 Cel		-10 Cel		HORIZONTAL	.1 A	SOLDER		200 mohm			28 V			.138 inch
A7DP-206-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL	PUSHBUTTON	BINARY CODED			BLACK	0 deg	1000VAC	20000 Cycle(s)	100000000 ohm	55.9 mm	16 inch	0 inch	1	BREAK-BEFORE-MAKE			17.5 mm	.1A@30VDC	70 Cel		-10 Cel	.071 inch	MOMENTARY	.1 A	SOLDER	A7DP	200 mohm		10	30 V	PANEL MOUNTABLE		.146 inch
A7BL-207-P2-S06-D-1	Omron	THUMB/PUSHWHEEL SWITCH	THROUGH HOLE-STRAIGHT	BINARY CODED DECIMAL			.1A@50VAC					50000 Cycle(s)		88 mm	24 inch		1				24.5 mm	.1A@28VDC	65 Cel	.1 A	-10 Cel			.1 A	SOLDER	A7BL			10	28 V	PANEL MOUNTABLE	50 V

Thumb & Pushwheel Switches

Thumb and pushwheel switches are electronic switches that are activated by rotating a thumbwheel or pushing a button. They are commonly used in a variety of applications, such as industrial control systems, consumer electronics, and medical devices.

Thumbwheel switches typically consist of a housing, a thumbwheel, and a set of electrical contacts. When the thumbwheel is rotated, it completes a circuit between the contacts, allowing electrical current to flow through the switch.

Pushwheel switches, also known as incremental encoders, are similar to thumbwheel switches, but they use a rotary knob or button to rotate a wheel that is marked with incremental markings or detents. This provides tactile feedback and allows for precise control over the position of a mechanical component or the selection of options in a menu.

Thumb and pushwheel switches offer several advantages over other types of switches. They provide a simple and intuitive means of controlling circuits or selecting options, and they offer tactile feedback that can help to ensure reliable operation. They are also highly durable and can withstand frequent use and harsh environments.