Machine Switches | McMaster-Carr

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	Actuator Style Actuator Style

	Push Button
	Toggle
	Lever
	Cable Pull
	Rocker
	Roller Lever
	Rotary
	Wobble Stick
	Bumper
	Finger Touch
	Foot Pedal
	Joystick
	Key
	Mat
	Plunger
	Rod
	Roller Plunger
	Slide
	Thumbwheel

	Switching Current Switching Current

	Switching Voltage Switching Voltage

	Number of Terminals Number of Terminals

	Switch Starting Position Switch Starting Position

1 Off (Normally Closed)

1 Off (Normally Open)

1 Off (Normally Open)
and 1 On (Normally
Closed)

1 Off (Normally Open) or
1 On (Normally Closed)

1 On (Normally Closed)

2 Off (Normally Open)

2 Off (Normally Open)
and 1 On (Normally
Closed)

2 Off (Normally Open)
and 2 On (Normally
Closed)

2 Off (Normally Open) or
2 On (Normally Closed)

2 On (Normally Closed)

3 Off (Normally Open)

3 Off (Normally Open) or
3 On (Normally Closed)

4 Off (Normally Open)

4 Off (Normally Open) or
4 On (Normally Closed)

	Number of Circuits Controlled Number of Circuits Controlled

	Switch Action Switch Action

Stays Switched (Maintained)

Springs Back (Momentary)

	Industry Designation Industry Designation

	Actuator Color Actuator Color

	Red		Green
	Black		Gray
	Amber		Blue
	Chrome		Gold
	Orange		White
	Yellow

	Switch Type Switch Type

	Electrical Phase Electrical Phase

	For Panel Cutout Diameter For Panel Cutout Diameter

	Environmental Rating Environmental Rating

Class I, Division 1,
Group D

Class I, Division 2,
Group D

Class II, Division 1,
Group F

Class II, Division 1,
Group G

Class II, Division 2,
Group F

Class II, Division 2,
Group G

CSA Certified Class I,
Division 1, Group A

CSA Certified Class I,
Division 1, Group B

CSA Certified Class I,
Division 1, Group C

CSA Certified Class I,
Division 1, Group D

CSA Certified Class I,
Division 2, Group A

CSA Certified Class I,
Division 2, Group B

CSA Certified Class I,
Division 2, Group C

CSA Certified Class I,
Division 2, Group D

CSA Certified Class II,
Division 1, Group E

CSA Certified Class II,
Division 1, Group F

CSA Certified Class II,
Division 1, Group G

CSA Certified Class II,
Division 2, Group E

CSA Certified Class II,
Division 2, Group F

CSA Certified Class II,
Division 2, Group G

CSA Certified Class III,
Division 1

CSA Certified Class III,
Division 2

UL Class I, Division 1,
Group A

UL Class I, Division 1,
Group B

UL Class I, Division 1,
Group C

UL Class I, Division 1,
Group D

UL Class I, Division 2,
Group A

UL Class I, Division 2,
Group B

UL Class I, Division 2,
Group C

UL Class I, Division 2,
Group D

UL Class I, Group C

UL Class I, Group D

UL Class II, Division 1,
Group E

UL Class II, Division 1,
Group F

UL Class II, Division 1,
Group G

UL Class II, Division 2,
Group E

UL Class II, Division 2,
Group F

UL Class II, Division 2,
Group G

UL Class II, Group E

UL Class II, Group F

UL Class II, Group G

	Environment Environment

Hazardous Location

High-Temperature
Washdown

Splashing Water

Temporary Submersion

	Wire Connection Type Wire Connection Type

Quick-Disconnect Terminals

Screw Clamp Terminals

Screw Terminals

Solder Terminals

Spade Terminals

	Horsepower Horsepower

1/6 hp @ 115 V AC

1/4 hp @ 115 V AC

1/3 hp @ 115 V AC

1/2 hp @ 115 V AC

1 hp @ 115 V AC

1 1/2 hp @ 115 V AC

2 hp @ 115 V AC

3 hp @ 115 V AC

5 hp @ 115 V AC

3/4 hp @ 115 V DC

1/10 hp @ 120 V AC

1/8 hp @ 120 V AC

1/4 hp @ 120 V AC

1/3 hp @ 120 V AC

1/2 hp @ 120 V AC

3/4 hp @ 120 V AC

1 hp @ 120 V AC

1 1/2 hp @ 120 V AC

2 hp @ 120 V AC

3 hp @ 120 V AC

5 hp @ 120 V AC

7 1/2 hp @ 120 V AC

10 hp @ 120 V AC

1/6 hp @ 125 V AC

1/6 hp @ 200 V AC

1/2 hp @ 200 V AC

2 hp @ 200 V AC

3 hp @ 200 V AC

7 1/2 hp @ 200 V AC

10 hp @ 200 V AC

1/6 hp @ 230 V AC

1/4 hp @ 230 V AC

1/3 hp @ 230 V AC

1/2 hp @ 230 V AC

3/4 hp @ 230 V AC

1 hp @ 230 V AC

2 hp @ 230 V AC

3 hp @ 230 V AC

5 hp @ 230 V AC

7 1/2 hp @ 230 V AC

10 hp @ 230 V AC

15 hp @ 230 V AC

20 hp @ 230 V AC

25 hp @ 230 V AC

3/4 hp @ 230 V DC

1/6 hp @ 240 V AC

1/3 hp @ 240 V AC

1/2 hp @ 240 V AC

3/4 hp @ 240 V AC

1 hp @ 240 V AC

1 1/2 hp @ 240 V AC

2 hp @ 240 V AC

2 1/2 hp @ 240 V AC

3 hp @ 240 V AC

5 hp @ 240 V AC

7 1/2 hp @ 240 V AC

10 hp @ 240 V AC

15 hp @ 240 V AC

20 hp @ 240 V AC

25 hp @ 240 V AC

30 hp @ 240 V AC

1 hp @ 440 V AC

2 hp @ 440 V AC

3 hp @ 440 V AC

7 1/2 hp @ 440 V AC

1/3 hp @ 460 V AC

1 1/2 hp @ 460 V AC

5 hp @ 460 V AC

10 hp @ 460 V AC

25 hp @ 460 V AC

1/2 hp @ 480 V AC

3/4 hp @ 480 V AC

1 hp @ 480 V AC

1 1/2 hp @ 480 V AC

2 hp @ 480 V AC

3 hp @ 480 V AC

5 hp @ 480 V AC

7 1/2 hp @ 480 V AC

10 hp @ 480 V AC

15 hp @ 480 V AC

20 hp @ 480 V AC

25 hp @ 480 V AC

30 hp @ 480 V AC

40 hp @ 480 V AC

50 hp @ 480 V AC

1/2 hp @ 575 V AC

2 hp @ 575 V AC

5 hp @ 575 V AC

10 hp @ 575 V AC

25 hp @ 575 V AC

7 1/2 hp @ 600 V AC

10 hp @ 600 V AC

15 hp @ 600 V AC

20 hp @ 600 V AC

30 hp @ 600 V AC

40 hp @ 600 V AC

50 hp @ 600 V AC

60 hp @ 600 V AC

75 hp @ 600 V AC

150 hp @ 600 V AC

	Illumination Illumination

Not Illuminated

Optionally Illuminated

	Input Voltage Input Voltage

20-30V AC

20-240V AC

95-250V AC

190-480V AC

200-480V AC

475-600V AC

8-36V DC

10-28V DC

10-30V DC

10-40V DC

12-24V DC

15-35V DC

20-30V DC

	Position Designation Position Designation

	Actuator Base Material Actuator Base Material

Stainless Steel

	Depth Behind Panel Depth Behind Panel

	Number of Positions Number of Positions

	Maximum Voltage Maximum Voltage

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2,272 Products

Switches

Motor Control Switches

Motor Control Switches

Turn motors on and off, or adjust their speed.

Disconnect Switches

Disconnect Switches

Cut power and keep it isolated to prevent equipment from starting up during inspection and maintenance.

Switches

Switches

Potentiometers

Potentiometers

Vary electrical flow to control speed, volume, and light intensity. Also known as variable output switches or rheostats.

Other Machine Switches

Panel-Mount AC/DC Circuit Breakers

Panel-Mount AC/DC Circuit Breakers

In addition to protecting equipment, these circuit breakers can be used as on/off switches. They can handle high inrush current found in motor start-ups.

HVAC Switches and Actuators

Control and monitor airflow in HVAC systems automatically.

Indicating Knobs

testString

Control devices and view settings at a glance with a pointer.

Flow Switches

Flow Switches

Activate and deactivate equipment when the flow rate reaches your set point.

Level Switches

Activate process equipment such as pumps or motors when the liquid in your tank reaches a set level.

Pressure Switches

When the pressure exceeds the setpoint, the switch is activated.

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The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)