IP20 Switches | McMaster-Carr

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	Actuator Style Actuator Style


Push Button	Lever

Plunger	Key

Finger Touch

	Switch Action Switch Action

Stays Switched (Maintained)

Springs Back (Momentary)

	Switching Voltage Switching Voltage

	Actuator Color Actuator Color

	Black		Red
	Green		White
	Gray		Yellow
	Blue		Orange
	Amber

	Switch Starting Position Switch Starting Position

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
2 On (Normally Closed)

2 On (Normally Closed)

	System of Measurement System of Measurement

Inch

Metric

	For Panel Cutout Diameter For Panel Cutout Diameter

	Illumination Illumination

Not Illuminated

Illuminated

	Number of Positions Number of Positions

	Push-Button Style Push-Button Style


Flush	Projecting

Mushroom

	Environment Environment

High-Pressure Washdown

	Number of Terminals Number of Terminals

	Number of Circuits Controlled Number of Circuits Controlled

	Actuator Base Material Actuator Base Material

Metal

Plastic

	Industry Designation Industry Designation

	Wire Connection Type Wire Connection Type

Plug In

Push In Terminals

Screw Terminals

Screw-Clamp Terminals

Spring-Clamp Terminals

Wire Leads

	Mounting Location Mounting Location

	Environmental Rating Environmental Rating	Show

IP20

	Environmental Rating Environmental Rating	Hide

Warning: Products have one, but not necessarily all, of the selected characteristics.

Associated Apparatus for
IEC Zone 0 Groups IIC,
IIB, IIA

Associated Apparatus for
IEC Zone 20 Groups IIIC,
IIIB, IIIA

IEC Zone 0 Groups IIC,
IIB, IIA

IEC Zone 1 Groups IIC,
IIB, IIA

IEC Zone 2 Groups IIC,
IIB, IIA

IEC Zone 20 Groups
IIIC, IIIB, IIIA

IEC Zone 21 Groups
IIIC, IIIB, IIIA

NEC Class I Division 1
Groups A, B, C, D

NEC Class I Division 1
Groups B, C, D

NEC Class I Division 2
Group D

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 Group D

NEC Class I Divisions
1, 2 Groups A, B, C, D

NEC Class I Divisions
1, 2 Groups B, C, D

NEC Class I Divisions
1, 2 Groups C, D

NEC Class II Division 1
Groups E, F ,G

NEC Class II Division 2
Groups F, G

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

NEC Class II Divisions
1, 2 Groups F, G

NEC Class III
Divisions 1, 2

NEC Zone 1 Group IIA

NEC Zone 1 Groups
IIB, IIA

NEC Zone 1 Groups
IIC, IIB, IIA

NEC Zone 2 Groups
IIB, IIA

	Maximum Voltage Maximum Voltage

	Switching Current Switching Current

	Bulb Voltage Bulb Voltage

	Diameter Diameter

	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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571 Products

Choosing an Electrical Switch

Metal 22 mm Panel-Mount Push-Button Switches

Plastic 22 mm Panel-Mount Push-Button Switches

Metal 22 mm Emergency Stop
Panel-Mount Push-Button Switches

Plastic 22 mm Emergency Stop
Panel-Mount Push-Button Switches

Plastic Enclosed Push-Button Switches

Rated NEMA 4X and 13, all switches resist corrosion and can withstand washdowns and oil/coolant spraying.

Aluminum Emergency Stop
Enclosed Push-Button Switches

These aluminum switches are rated NEMA 4, NEMA 13, and IP66 for protection from washdowns and oil/coolant spraying.

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.

22 mm Panel-Mount Build-Your-Own Plastic Switches

Choose an actuator and contact block to make your own 22 mm plastic switch.

22 mm Panel-Mount Build-Your-Own Metal Switches

Choose an actuator and contact block to make your own 22 mm metal switch.

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.

Fingerprint Switches

Use fingerprints to confirm the identity of personnel before granting access to secure areas or equipment.

Enclosure Door Switches

Activate or deactivate fans, lights, and other devices inside your enclosure when you open or close the door.

Barriers for Hazardous Location Proximity Switches

Safely transmit power to switches and sensors in highly volatile areas. Commonly used in refineries, power plants, and wastewater-treatment facilities, these barriers use a NAMUR signal to reduce the current and voltage coming from your power supply—preventing sparks and ignition.

Long-Life Medium-Current Relays

With no moving parts, these solid state medium-current relays have an extended service life.

Compact Programmable Logic Controllers

Smaller than other PLCs, these controllers save space in your control cabinet. They combine the functionality of a relay, timer relay, and switch in one unit, so you can program simple automation jobs.

Expansion Modules for Programmable Logic Controllers

No need to program multiple PLCs—these modules expand your automated system, keeping everything conjoined and configured on one processor. Use them when you’re out of space on your DIN rail or need additional input/output functions.

Temperature and Humidity Control

Enclosure Humidistats

Reduce the humidity in your enclosure to prevent condensation that can cause corrosion and short circuits.

Autocorrecting Washdown Precision
Panel-Mount Temperature Controllers

The faceplate is sealed to meet NEMA 4X for protection in washdown environments with splashing water, corrosive liquid, and dust.

Enclosure Thermostats

Control a single heating or cooling device in your enclosure to keep electronics at a safe operating temperature.

Enclosure Thermostats for Multiple Devices

Keep electronics in your enclosure from getting too hot or cold with these thermostats that control two devices at once.

Lights for Electronics Cabinets and Racks

Illuminate your electronics cabinets and racks with long-lasting LED lights.

DIN-Rail Mount Circuit Breakers

DIN-Rail Mount Branch Circuit Breakers

Mount these circuit breakers directly to DIN rail to protect equipment and wiring in an area of your facility from overloads and short circuits.

DIN-Rail Mount Electronic Circuit Breakers

An electronic trip mechanism makes these circuit breakers fast, precise, and consistent. They continuously monitor current and trip at a precise value compared to the much wider current range in traditional thermal-magnetic breakers.

DIN-Rail Mount Equipment Circuit Breakers

Also known as supplemental protectors, these circuit breakers mount directly to DIN rail downstream from a branch circuit breaker to protect a single piece of equipment.