120V DC Switches | McMaster-Carr

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	Switching Voltage Switching Voltage	Show

120V DC

	Switching Voltage Switching Voltage	Hide

	Actuator Style Actuator Style

	Push Button

	Push-Button Style Push-Button Style


Flush	Mushroom

	Maximum Voltage Maximum Voltage

	Environment Environment

Corrosive

Damp

Dusty

High-
Pressure
Washdown

	Message Message

Start

Stop

	Number of Buttons Number of Buttons

	Switch Action Switch Action

Springs Back (Momentary)

	Actuator Color Actuator Color

	Black		Red
	Green		Yellow
	Chrome

	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 On (Normally Closed)

	Switching Current Switching Current

0.5A

0.55A

2.2A

	Environmental Rating Environmental Rating

	Industry Designation Industry Designation

	Housing Material Housing Material

Plastic

	Housing Color Housing Color

	Gray

	Wire Connection Type Wire Connection Type


Screw Terminals	Wire Leads

	Number of Mounting Holes Number of Mounting Holes

	Illumination Illumination

Not Illuminated

	Specifications Met Specifications Met

CE Marked

CSA

	DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense Acquisition Regulations Supplement)

DFARS Specialty Metals
COTS-Exempt

	Number of Circuits Controlled Number of Circuits Controlled

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

RoHS Compliant

	System of Measurement System of Measurement

Inch

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

REACH Compliant

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19 Products

Choosing an Electrical Switch

Plastic Enclosed Push-Button Switches

Rated NEMA 4X and 13, all switches resist corrosion and can withstand washdowns and oil/coolant spraying. The contact blocks are rated IP20.

Switches rated IP69K can withstand high-pressure washdowns.

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

Two Flush Buttons

							Conduit	Housing
Actuator Color (Industry Designation)	No. of Circuits Controlled per Button	Switch Starting Position	Switch Action	No. of Terminals per Button	Switching Current @ Voltage	Max. Voltage	Knockout Size	Fasteners Included	No. of Holes	Hole Dia.	Environmental Rating		Each
With Screw Terminals
2 Flush Buttons
1 Green Button with Start (SPST-NO), 1 Red Button with Stop (SPST-NC)	1	1 Off (Normally Open)	Springs Back (Momentary)	2	6 A @ 120 V AC, 0.55 A @ 120 V DC	600V AC 600V DC	PG-13.5	No	2	3/16"	NEMA 4X, NEMA 13, IK03, IP69K, IP67, IP66, IP20	0000000	000000

Replacement Contact Blocks

For SPST
Switches with
PG Connections

For SPST Switches with PG Connections
No. of Circuits Controlled	Switch Starting Position	No. of Terminals	Industry Designation	Environmental Rating		Each
1	1 Off (Normally Open)	2	SPST-NO	IP20	0000000	000000
1	1 On (Normally Closed)	2	SPST-NC	IP20	0000000	00000

Outlet-Box-Mount Push-Button Switches

Metal Actuator

Plastic Actuator

Also known as palm-button switches, these have a large button that makes them easy to use even while wearing gloves. They're rated NEMA 13 and IP65 for protection from oil/coolant spraying and washdowns.

Switches with positive force contacts will open a circuit when actuated even if a spring fails or the contacts stick.

Ring guards (sold separately) protect the actuator and reduce the chance of accidental actuation.

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

Metal Actuator with Screw Terminals and Positive Force Contacts
No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Industry Designation	Actuator Color	Cover Color	Switching Current @ Voltage	Max. Voltage	Dia.	Environmental Rating		Each
2	1 Off (Normally Open) and 1 On (Normally Closed)	Springs Back (Momentary)	4	DPST-1NO/1NC	Chrome	Black	6 A @ 120 V AC, 2.2 A @ 120 V DC	250V DC 600V AC	2 1/4"	NEMA 13, IP65	0000000	0000000
Plastic Actuator with Screw Terminals
2	2 Off (Normally Open)	Springs Back (Momentary)	4	DPST-NO	Black	Black	6 A @ 120 V AC, 2.2 A @ 120 V DC	250V DC 600V AC	2 1/4"	NEMA 13, IP65	0000000	000000
2	2 Off (Normally Open)	Springs Back (Momentary)	4	DPST-NO	Red	Black	6 A @ 120 V AC, 2.2 A @ 120 V DC	250V DC 600V AC	2 1/4"	NEMA 13, IP65	0000000	000000
2	2 Off (Normally Open)	Springs Back (Momentary)	4	DPST-NO	Yellow	Black	6 A @ 120 V AC, 2.2 A @ 120 V DC	250V DC 600V AC	2 1/4"	NEMA 13, IP65	0000000	000000
Plastic Actuator with Screw Terminals and Positive Force Contacts
1	1 On (Normally Closed)	Springs Back (Momentary)	2	SPST-NC	Red	Yellow	6 A @ 120 V AC, 2.2 A @ 120 V DC	250V DC 600V AC	2 1/4"	NEMA 13, IP65	0000000	000000
1	1 On (Normally Closed)	Springs Back (Momentary)	2	SPST-NC	Yellow	Black	6 A @ 120 V AC, 2.2 A @ 120 V DC	250V DC 600V AC	2 1/4"	NEMA 13, IP65	0000000	000000
2	1 Off (Normally Open) and 1 On (Normally Closed)	Springs Back (Momentary)	4	DPST-1NO/1NC	Black	Black	6 A @ 120 V AC, 2.2 A @ 120 V DC	250V DC 600V AC	2 1/4"	NEMA 13, IP65	0000000	000000
2	1 Off (Normally Open) and 1 On (Normally Closed)	Springs Back (Momentary)	4	DPST-1NO/1NC	Green	Black	6 A @ 120 V AC, 2.2 A @ 120 V DC	250V DC 600V AC	2 1/4"	NEMA 13, IP65	0000000	000000
2	1 Off (Normally Open) and 1 On (Normally Closed)	Springs Back (Momentary)	4	DPST-1NO/1NC	Red	Yellow	6 A @ 120 V AC, 2.2 A @ 120 V DC	250V DC 600V AC	2 1/4"	NEMA 13, IP65	0000000	000000
2	1 Off (Normally Open) and 1 On (Normally Closed)	Springs Back (Momentary)	4	DPST-1NO/1NC	Yellow	Black	6 A @ 120 V AC, 2.2 A @ 120 V DC	250V DC 600V AC	2 1/4"	NEMA 13, IP65	0000000	000000
2	2 On (Normally Closed)	Springs Back (Momentary)	4	DPST-NC	Red	Yellow	6 A @ 120 V AC, 2.2 A @ 120 V DC	250V DC 600V AC	2 1/4"	NEMA 13, IP65	0000000	000000

Ring Guard for Switch with Metal Actuator	0000000	Each	0000000
Ring Guard for Switch with Plastic Actuator	0000000	Each	000000

Tamper-Resistant Magnetically Actuated Switches

Two- and Three-Circuit Switch

Coded Magnet for Two- and Three-Circuit Switch

Prevent unauthorized use—these switches require coded magnets (sold separately) to actuate, and cannot be bypassed using ordinary magnets. They actuate when a magnet comes within sensing distance, and reset when the magnet moves away. Mount the switch in a stationary position, such as a door frame, and mount the magnet to a movable object, such as the door. They’re often used to detect when a door or window opens, and can be used with movable machine guards. All are rated IP67 for protection from temporary submersion.

Coded magnets include tamper-resistant one-way screws for mounting. To remove screws, see one-way bits and drivers.

Safety relays are required in safety applications with switches that control two or three circuits.

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

Switches													Coded Magnets		Safety Relays
No. of Circuits Controlled	Switch Starting Position	Industry Designation	Switching Current @ Voltage	Max. Voltage	Input Voltage	Max. Sensing Distance	Lg.	Wd.	Ht.	Environmental Rating		Each		Each		Each
Plastic Housing with Wire Leads
2	1 Off (Normally Open) and 1 On (Normally Closed)	DPST-1NO/1NC	0.5 A @ 120 V AC/120 V DC	120V DC 120V AC	120V DC 120V AC	0.2"	3.5"	1"	0.5"	IP67	0000000	0000000	0000000	000000	0000000	0000000