0.2A Switches | McMaster-Carr

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21 Products

Choosing an Electrical Switch

Round with Wire Leads

Square

Round

These switches are rated IP67 for protection from dust and temporary submersion.

Note: Illuminated switches include a bulb. If wiring the switch and the bulb to the same circuit, the circuit voltage must not exceed bulb voltage.

IP69K rated switches withstand high-pressure, high-temperature washdowns.

												Wire Leads
No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Industry Designation	Switching Current @ Voltage	Max. Voltage	Dia.	Ht.	Wd.	Dp. Behind Panel	Choose an Actuator Color	No. of	Lg.		Each
Metal Base with Wire Leads
Round (IP67)
1	1 Off (Normally Open)	Springs Back (Momentary)	2	SPST-NO	0.5 A @ 48 V AC, 0.2 A @ 50 V DC	50V DC 250V AC	11/16"	__	__	1"	Black, Red	2	19"	0000000	000000
Round—Illuminated (IP67 and IP69K)
1	1 Off (Normally Open)	Springs Back (Momentary)	4	SPST-NO	0.5 A @ 48 V AC, 0.2 A @ 50 V AC	50V DC 250V AC	11/16"	__	__	15/16"	Black, Red	2	19"	0000000	00000
Square (IP67 and IP69K)
1	1 Off (Normally Open)	Springs Back (Momentary)	2	SPST-NO	0.5 A @ 48 V AC, 0.2 A @ 50 V AC	50V DC 250V AC	__	11/16"	11/16"	15/16"	Black, Red	2	19"	0000000	00000
Metal Base with Quick-Disconnect Terminals
Round (IP67 and IP69K)
1	1 Off (Normally Open)	Springs Back (Momentary)	2	SPST-NO	0.5 A @ 48 V AC, 0.2 A @ 50 V AC	50V DC 250V AC	11/16"	__	__	1/2"	Black, Red	__	__	0000000	00000
Metal Base with Tab Terminals
Round (IP67)
1	1 Off (Normally Open)	Springs Back (Momentary)	2	SPST-NO	0.5 A @ 48 V AC, 0.2 A @ 50 V DC	50V DC 250V AC	11/16"	__	__	11/16"	Black, Red	__	__	0000000	00000
Round—Illuminated (IP67 and IP69K)
1	1 Off (Normally Open)	Springs Back (Momentary)	4	SPST-NO	0.5 A @ 48 V AC, 0.2 A @ 50 V DC	50V DC 250V AC	11/16"	__	__	11/16"	Black, Red	__	__	0000000	00000
Square (IP67)
1	1 Off (Normally Open)	Springs Back (Momentary)	2	SPST-NO	0.5 A @ 48 V AC, 0.2 A @ 50 V DC	50V DC 250V AC	__	11/16"	11/16"	11/16"	Black, Red	__	__	0000000	00000

Magnetically Actuated Switches

These switches actuate when a magnet comes within sensing distance, and reset when the magnet moves away. They’re often used to detect when a door or window opens. 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 do not include a safety relay and cannot be used with safety-guard doors found on machinery.

Switches with a plug connect to cables with a socket (sold separately), allowing you to quickly connect and disconnect the switch.

Switches with an LED status indicator let you visually confirm that it’s connected and whether it’s actuated.

IP65 rated switches protect against rinsing and dust. IP67 rated switches protect against temporary submersion, as well as dust and dirt. IP68 rated switches protect against washdowns and continuous submersion. Use IP69K rated switches in demanding environments, such as roadways.

Switches

3-Pole
Nano
M8 Plug

4-Pole
Micro
M12 Plug

Switches
							Wire Leads										Replacement Magnets
	No. of Circuits Controlled	Switch Starting Position	Industry Designation	Switching Current @ Voltage	Max. Voltage	Max. Sensing Distance	No. of	Lg., ft.	Dia.	Lg.	Wd.	Ht.	Mount. Thread Size	Environmental Rating		Each		Each
Plastic Housing
With Wire Leads and LED Status Indicator
J	1	1 Off (Normally Open)	SPST-NO	0.2 A @ 3 V DC	30V DC	2.36"	3	6	__	1.09"	0.63"	0.4"	__	IP67	000000000	0000000	000000000	000000
With 3-Pole Nano M8 Plug and LED Status Indicator
J	1	1 Off (Normally Open)	SPST-NO	0.2 A @ 3 V DC	30V DC	2.36"	__	__	__	1.45"	0.63"	0.4"	__	IP67	000000000	000000	000000000	00000
Stainless Steel Housing
With Wire Leads and LED Status Indicator
K	1	1 Off (Normally Open)	SPST-NO	0.2 A @ 3 V DC	30V DC	2.36"	3	6	0.31"	1.96"	__	__	M8	IP67	000000000	000000	000000000	00000
K	1	1 Off (Normally Open)	SPST-NO	0.2 A @ 3 V DC	30V DC	2.36"	3	6	0.47"	1.96"	__	__	M12	IP67	000000000	000000	000000000	00000
K	1	1 Off (Normally Open)	SPST-NO	0.2 A @ 3 V DC	30V DC	2.75"	3	6	0.71"	1.96"	__	__	M18	IP67	000000000	000000	000000000	00000
With 4-Pole Micro M12 Plug and LED Status Indicator
K	1	1 Off (Normally Open)	SPST-NO	0.2 A @ 3 V DC	30V DC	3.94"	__	__	0.71"	2.36"	__	__	M18	IP68, IP69K	000000000	000000	000000000	00000
K	1	1 On (Normally Closed)	SPST-NC	0.2 A @ 3 V DC	30V DC	2.36"	__	__	0.47"	2.36"	__	__	M12	IP65, IP67	000000000	000000	000000000	00000
K	1	1 On (Normally Closed)	SPST-NC	0.2 A @ 3 V DC	30V DC	2.75"	__	__	0.71"	2.36"	__	__	M18	IP65, IP67	000000000	000000	000000000	00000

Cables for Switches with Plug Connection

Nano M8 Socket × Wire Leads
No. of Poles	Cable Lead Lg., ft.	Environmental Rating		Each
3	13	IP68	0000000	000000
Micro M12 Socket × Wire Leads
4	12	IP67	0000000	00000

Tamper-Resistant Magnetic Contact Alarm Switches

Flush Mount

Surface Mount

Surface Mount with Conduit Connection

Prevent unauthorized use of doors or windows with a combination of coded magnets and contacts that wire to an alarm system. The coded magnets mean they can’t be bypassed with regular magnets. These switches actuate when the magnet comes within sensing distance of the switch and reset when the magnet moves away. Mount the magnet to your door or window and the switch to the frame. Connect the switch contacts to an alarm system, which will trigger when the magnet is pulled away as your door or window is opened.

Flush-mount switches are designed to mount against the door jam. They have a cord grip to reduce strain on your cord.

Surface-mount switches mount on the surface of your door. Those with a 1/2 conduit connection are ready to directly attach to your conduit.

Painted Zinc Housing with Screw Terminals
No. of Circuits Controlled	Switch Starting Position	Industry Designation	Switching Current @ Voltage	Max. Sensing Distance	No. of Terminals	Conduit Trade Size	Lg.	Wd.	Ht.	Features	Environmental Rating		Each
Screw On—Flush Mount
2	1 Off (Normally Open) and 1 On (Normally Closed)	DPST-1NO/1NC	0.2 A @ 30 V DC	0.26"	7	__	4.33"	1.38"	1.26"	Auxiliary NO (Normally Open) Alarm, Nickel-Plated Brass Cord Grip	IP67	0000000	000000000
Screw On—Surface Mount
2	1 Off (Normally Open) and 1 On (Normally Closed)	DPST-1NO/1NC	0.2 A @ 30 V DC	0.26"	7	__	2.96"	1.38"	1.34"	Auxiliary NO (Normally Open) Alarm	IP67	0000000	00000000
2	1 Off (Normally Open) and 1 On (Normally Closed)	DPST-1NO/1NC	0.2 A @ 30 V DC	0.26"	7	1/2	2.96"	1.38"	1.34"	Auxiliary NO (Normally Open) Alarm	IP67	0000000	00000000

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Choosing an Electrical Switch

14 mm Panel-Mount Push-Button Switches

Magnetically Actuated Switches

Tamper-Resistant Magnetic Contact Alarm Switches