Turn Switches | McMaster-Carr

	Actuator Style Actuator Style


Lever	Rotary

Key	Push Button

	Number of Positions Number of Positions

	Switch Action Switch Action

Stays Switched (Maintained)

Springs Back (Momentary)

	For Panel Cutout Diameter For Panel Cutout Diameter

	Switching Voltage Switching Voltage

	Environment Environment

High-Pressure Washdown

Hazardous

Food and Beverage

Submersible

	Actuator Color Actuator Color

	Black		Gray
	Green		Red
	White		Yellow

	Illumination Illumination

Not Illuminated

Illuminated

	Number of Circuits Controlled Number of Circuits Controlled

	Switch Starting Position Switch Starting Position

1 Off (Normally Open)

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

1 On (Normally Closed)

2 Off (Normally Open)

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

2 On (Normally Closed)

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

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

	Number of Terminals Number of Terminals

	Maximum Voltage Maximum Voltage

	Wire Connection Type Wire Connection Type

Screw Terminals

Stud Terminals

Quick-Disconnect Terminals

Solder

Wire Leads

	Switching Current Switching Current

	Actuator Base Material Actuator Base Material

Plastic

Metal

	Environmental Rating Environmental Rating

NEC Class I Division 2
Groups A, B, C, D

NEC Class I Division 2
Groups B, C, D

NEC Class I Divisions
1, 2 Groups C, D

NEC Class II Divisions
1, 2 Groups E, F, G

NEC Class III
Divisions 1, 2

NEC Zone 2 Groups
IIB, IIA

	Mounting Location Mounting Location

Panel

Outlet Box

Surface

	Industry Designation Industry Designation

	Lever Length Lever Length

	Diameter Diameter

	Actuator Material Actuator Material

Plastic

Metal

	RoHS (Restriction of Hazardous Substances) RoHS (Restriction of Hazardous Substances)

RoHS Compliant

RoHS Compliant with
Exemptions

	REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)

REACH Compliant

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144 Products

Choosing an Electrical Switch

Plastic 22 mm Panel-Mount Lever Switches

These switches are protected from corrosion, high-temperature and high-pressure washdowns, and oil/coolant spraying. Install them in 22 mm dia. cutouts.

Metal 22 mm Panel-Mount Lever Switches

Switches are rated NEMA 4, 13, and IP66.

Metal 30 mm Panel-Mount Lever Switches

Rated NEMA 4, 13, and IP66, these metal switches are protected from washdowns and oil/coolant spraying. Install them in 30 mm dia. cutouts.

Plastic 30 mm Panel-Mount Lever Switches

These plastic switches are rated NEMA 4X, 13, and IP65 for protection from corrosion, washdowns, and oil/coolant spraying. Install them in 30 mm dia. cutouts.

16 mm Panel-Mount Lever Switches

Install in 16 mm dia. cutouts.

Hazardous Location Enclosed Lever Switches

Use these switches where ignitable gas, dust, and fibers may be present. They're UL and C-UL listed for hazardous locations.

Plastic Enclosed Lever Switches

Rated NEMA 3S, 4X and 13, these switches are protected from corrosion, washdowns, and oil/coolant spraying.

Battery Knob Switches

Alternate between two batteries without interrupting power.

3/4" Panel-Mount Key Switches

Install these key switches in 3/4" dia. panel cutouts. They require a key to turn circuits on or off, limiting access to sensitive equipment.

High-Security 3/4" Panel-Mount Key Switches

With a round key that is difficult to duplicate, these switches provide a higher degree of security than standard key switches.

Washdown 3/4" Panel-Mount Key Switches

Rated NEMA 4, these switches are protected from washdowns.

Miniature 15/32" Panel-Mount Key Switches

Maximize space in a panel with these miniature switches.

22 mm Panel-Mount Key Switches

Sized for 22 mm dia. panel cutouts, these switches require a key to turn circuits on or off, limiting access to sensitive equipment.

30 mm Panel-Mount Key Switches

Install these key switches in 30 mm dia. panel cutouts. They require a key to turn circuits on or off, limiting access to sensitive equipment.

16 mm Panel-Mount Key Switches

These 16 mm switches require a key to turn circuits on or off, limiting access to sensitive equipment.

High-Amp Outlet-Box-Mount Key Switches

High-Visibility Plastic Emergency
Stop Enclosed Push-Button Switches

A red light flashes when the actuator is pushed, making it easy to see from a distance. They're rated IP65 for protection from washdowns.

Hazardous Location 30 mm Emergency
Stop Panel-Mount Push-Button Switches

Use these switches where ignitable gas and dust may be present. Their contact blocks are UL listed for Class I, Division 2, Groups B, C, and D hazardous locations.

Plastic Premium 30 mm
Panel-Mount Push-Button Switches

Able to handle tough, repetitive use, these switches are more durable than standard plastic switches.

Choosing an Electrical Switch

Manual Switches

Plastic 22 mm Panel-Mount Lever Switches

Metal 22 mm Panel-Mount Lever Switches

Metal 30 mm Panel-Mount Lever Switches

Plastic 30 mm Panel-Mount Lever Switches

16 mm Panel-Mount Lever Switches

Hazardous Location Enclosed Lever Switches

Plastic Enclosed Lever Switches

Battery Knob Switches

3/4" Panel-Mount Key Switches

High-Security 3/4" Panel-Mount Key Switches

Washdown 3/4" Panel-Mount Key Switches

Miniature 15/32" Panel-Mount Key Switches

22 mm Panel-Mount Key Switches

30 mm Panel-Mount Key Switches

16 mm Panel-Mount Key Switches

High-Amp Outlet-Box-Mount Key Switches

High-Visibility Plastic EmergencyStop Enclosed Push-Button Switches

Hazardous Location 30 mm EmergencyStop Panel-Mount Push-Button Switches

Plastic Premium 30 mmPanel-Mount Push-Button Switches

High-Visibility Plastic Emergency
Stop Enclosed Push-Button Switches

Hazardous Location 30 mm Emergency
Stop Panel-Mount Push-Button Switches

Plastic Premium 30 mm
Panel-Mount Push-Button Switches