4PDT Switches | McMaster-Carr

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	Number of Terminals Number of Terminals

	Position Designation Position Designation

(On)-Off-(On)

On-Off-On

On-On

	Actuator Style Actuator Style

	Toggle

	Number of Positions Number of Positions

	Number of Circuits Controlled Number of Circuits Controlled

	Industry Designation Industry Designation	Show

4PDT

	Industry Designation Industry Designation	Hide

	Switching Voltage Switching Voltage

	Wire Connection Type Wire Connection Type


Quick- Disconnect Terminals	Screw Terminals

Solder

	Switch Action Switch Action

Stays Switched (Maintained)

Springs Back (Momentary)

	Switching Current Switching Current

	Switch Starting Position Switch Starting Position

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

	Maximum Voltage Maximum Voltage

	Mounting Location Mounting Location

Panel

Relay Socket

Surface

	System of Measurement System of Measurement

Inch

	For Panel Cutout Diameter For Panel Cutout Diameter

1/4"

1/2"

	Seal Material Seal Material

Rubber

	Mounting Thread Size Mounting Thread Size

1/4"-40

15/32"-32

M12

	For Maximum Panel Thickness For Maximum Panel Thickness

0.125" to 0.249"

	Switch Type Switch Type

Manual

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

DFARS Specialty Metals
COTS-Exempt

	Toggle Depth Toggle Depth

0.41"

0.68"

0.69"

	Mounting Hardware Included Mounting Hardware Included

Yes

	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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34 Products

Choosing an Electrical Switch

About Relays

About Timer Relays

Rounded Toggle

Switches with an on-on or on-(on) position designation alternate power between sets of terminals.

To view switch wiring diagrams, select a part number and click Product Detail.

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

2 Position with Rounded Toggle
No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Industry Designation	Position Designation	Switching Current @ Voltage	Max. Voltage	For Max. Panel Thick.	Mounting Hardware Included	Choose a Wire Connection Type		Each
For 1/2" Panel Cutout Dia.
4	4 Off (Normally Open) or 4 On (Normally Closed)	Stays Switched (Maintained)	12	4PDT	On-On	15 A @ 125 V AC/28 V DC	28V DC 250V AC	0.13"	Yes	Screw Terminals, Solder Lugs	00000000	000000

3 Position with Rounded Toggle
No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Industry Designation	Position Designation	Switching Current @ Voltage	Max. Voltage	For Max. Panel Thick.	Mounting Hardware Included	Choose a Wire Connection Type		Each
For 1/2" Panel Cutout Dia.
4	4 Off (Normally Open) or 4 On (Normally Closed)	Stays Switched (Maintained)	12	4PDT	On-Off-On	15 A @ 125 V AC/28 V DC	28V DC 250V AC	0.13"	Yes	Screw Terminals, Solder Lugs	00000000	000000

Wet-Location Toggle Switches

Rounded Toggle

A rubber seal protects these switches from splashing water.

NEMA 4, 13, and IP68 rated switches are protected against oil/coolant spraying, washdowns, and temporary submersion.

Switches with an on-on or on-(on) position designation alternate power between sets of terminals.

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

2 Position with Rounded Toggle—NEMA 4, NEMA 13, IP68
No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Industry Designation	Position Designation	Switching Current @ Voltage	Max. Voltage	Mounting Hardware Included	Wire Connection Type		Each
For 1/2" Panel Cutout Dia.
4	4 Off (Normally Open) or 4 On (Normally Closed)	Stays Switched (Maintained)	12	4PDT	On-On	15 A @ 125 V AC, 12 A @ 28 V DC	28V DC 277V AC	Yes	Quick-Disconnect Terminals	00000000	000000
3 Position with Rounded Toggle—NEMA 4, NEMA 13, IP68
For 1/2" Panel Cutout Dia.
4	4 Off (Normally Open) or 4 On (Normally Closed)	Stays Switched (Maintained)	12	4PDT	On-Off-On	15 A @ 125 V AC, 12 A @ 28 V DC	28V DC 277V AC	Yes	Screw Terminals	00000000	00000

Mil. Spec. Washdown Toggle Switches

These switches meet MIL-S-3950. A rubber seal protects them from washdowns.

Switches with an on-on, on-on-on, or (on)-on-on position designation alternate power between sets of terminals.

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

2 Position
No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Industry Designation	Position Designation	Switching Current @ Voltage	Max. Voltage	Dp. Behind Panel	Mounting Hardware Included	Wire Connection Type		Each
For 1/2" Panel Cutout Dia.
4	4 Off (Normally Open) or 4 On (Normally Closed)	Stays Switched (Maintained)	12	4PDT	On-On	15 A @ 125 V AC, 12 A @ 28 V DC	28V DC 125V AC	1.35"	Yes	Screw Terminals	00000000	000000
3 Position
For 1/2" Panel Cutout Dia.
4	4 Off (Normally Open) or 4 On (Normally Closed)	Stays Switched (Maintained)	12	4PDT	On-Off-On	15 A @ 125 V AC, 12 A @ 28 V DC	28V DC 125V AC	1.35"	Yes	Screw Terminals	00000000	00000
4	4 Off (Normally Open) or 4 On (Normally Closed)	Springs Back (Momentary)	12	4PDT	(On)-Off-(On)	8 A @ 125 V AC, 10 A @ 28 V AC	28V DC 125V AC	1.35"	Yes	Screw Terminals	00000000	00000

Miniature Toggle Switches

Rounded Toggle

Maximize the space in a panel—these switches are half the size of most toggle switches.

Switches with an on-on or on-(on) position designation alternate power between sets of terminals.

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

2 Position with Rounded Toggle
No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Industry Designation	Position Designation	Switching Current @ Voltage	Max. Voltage	Dp. Behind Panel	Mounting Hardware Included	Wire Connection Type		Each
For 1/4" Panel Cutout Dia.
4	4 Off (Normally Open) or 4 On (Normally Closed)	Stays Switched (Maintained)	12	4PDT	On-On	6 A @ 125 V AC, 4 A @ 30 V DC	30V DC 250V AC	0.66"	Yes	Solder Lugs	0000000	000000

High-Current Toggle Switches

Able to withstand high currents, these switches are often used with motors and pumps.

Switches with an on-on position designation alternate power between sets of terminals.

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

2 Position with Quick-Disconnect Terminals
No. of Circuits Controlled	Switch Starting Position	Switch Action	No. of Terminals	Industry Designation	Position Designation	Switching Current @ Voltage	Max. Voltage	Dp. Behind Panel	Mounting Hardware Included		Each
For 1/2" Panel Cutout Dia.
4	4 Off (Normally Open) or 4 On (Normally Closed)	Stays Switched (Maintained)	12	4PDT	On-On	20 A @ 125 V AC, 20 A @ 30 V DC	30V DC 250V AC	1.3"	Yes	0000000	000000
2 Position with Solder Lugs
For 1/2" Panel Cutout Dia.
4	4 Off (Normally Open) or 4 On (Normally Closed)	Stays Switched (Maintained)	12	4PDT	On-On	20 A @ 125 V AC, 20 A @ 30 V DC	30V DC 250V AC	1.07"	Yes	0000000	00000
3 Position with Quick-Disconnect Terminals
For 1/2" Panel Cutout Dia.
4	4 Off (Normally Open) or 4 On (Normally Closed)	Stays Switched (Maintained)	12	4PDT	On-Off-On	20 A @ 125 V AC, 20 A @ 30 V DC	30V DC 250V AC	1.3"	Yes	0000000	00000
3 Position with Solder Lugs
For 1/2" Panel Cutout Dia.
4	4 Off (Normally Open) or 4 On (Normally Closed)	Stays Switched (Maintained)	12	4PDT	On-Off-On	20 A @ 125 V AC, 20 A @ 30 V DC	30V DC 250V AC	1.07"	Yes	0000000	00000

Compact Spade-Terminal Relays

14-Terminal Relay, 8 Amp

14-Terminal Relay, 15 Amp

Smaller than standard spade-terminal relays in height and depth, these relays save space inside your control cabinet. Attach quick-disconnect terminals or plug relays into relay sockets.

Relay sockets (sold separately) mount to 35 mm DIN rail or flat surfaces.

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

Relays
			Switching Current											Relay Sockets
Number of Terminals	Input Voltage	Control Current, mA	@ 120V AC	@28V DC	Max. Switching Voltage	Ht.	Wd.	Dp.	Quick-Disconnect Tab Wd.	Features	Specifications Met		Each		Each
4 Circuits Controlled with 4 Off (Normally Open) or 4 On (Normally Closed)—4PDT
14	24V AC	50	8A	8A	300V AC	1.1"	0.9"	1.6"	0.11"	LED Indicating Light, Lockable Test Button, Mechanical Flag Indicator	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	000000000	000000	0000000	00000
14	24V AC	63	15A	12A	300V AC	1.1"	1.6"	1.6"	0.187"	LED Indicating Light, Lockable Test Button, Mechanical Flag Indicator	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	00000000	00000	0000000	00000
14	120V AC	10	8A	8A	300V AC	1.1"	0.9"	1.6"	0.11"	LED Indicating Light, Lockable Test Button, Mechanical Flag Indicator	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	000000000	00000	0000000	0000
14	120V AC	13	15A	12A	300V AC	1.1"	1.6"	1.6"	0.187"	LED Indicating Light, Lockable Test Button, Mechanical Flag Indicator	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	00000000	00000	0000000	00000
14	240V AC	5	8A	8A	300V AC	1.1"	0.9"	1.6"	0.11"	LED Indicating Light, Lockable Test Button, Mechanical Flag Indicator	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	000000000	00000	0000000	0000
14	240V AC	6	15A	12A	300V AC	1.1"	1.6"	1.6"	0.187"	LED Indicating Light, Lockable Test Button, Mechanical Flag Indicator	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	00000000	00000	0000000	00000
14	12V DC	92	8A	8A	300V AC	1.1"	0.9"	1.6"	0.11"	LED Indicating Light, Lockable Test Button, Mechanical Flag Indicator	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	000000000	00000	0000000	0000
14	12V DC	125	15A	12A	300V AC	1.1"	1.6"	1.6"	0.187"	LED Indicating Light, Lockable Test Button, Mechanical Flag Indicator	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	00000000	00000	0000000	00000
14	24V DC	6	15A	12A	300V AC	1.1"	1.6"	1.6"	0.187"	LED Indicating Light, Lockable Test Button, Mechanical Flag Indicator	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	00000000	00000	0000000	00000
14	24V DC	46	8A	8A	300V AC	1.1"	0.9"	1.6"	0.11"	LED Indicating Light, Lockable Test Button, Mechanical Flag Indicator	UL Recognized Component, C-UL Recognized Component, CSA Certified, CE Marked	000000000	00000	0000000	0000

Flange-Mount Spade-Terminal Relays

14-Terminal Relay

Mount relays to a flat surface using the slot on the flange and attach quick-disconnect terminals, or plug relays into relay sockets.

Relay sockets (sold separately) mount to 35 mm DIN rail or flat surfaces.

Relays												Relay Sockets
Number of Terminals	Input Voltage	Control Current, mA	Switching Current @ 110V AC/24V DC	hp @ Switching Voltage	Ht.	Wd.	Dp.	Quick-Disconnect Tab Wd.	Specifications Met		Each		Each
4 Circuits Controlled with 4 Off (Normally Open) or 4 On (Normally Closed)—4PDT
14	24V AC	80	10A	1/2 hp @ 240 V AC	1.8"	1.6"	1.4"	0.2"	UL Recognized Component CSA Certified	00000000	000000	0000000	000000
14	120V AC	21	10A	1/2 hp @ 240 V AC	1.8"	1.6"	1.4"	0.2"	UL Recognized Component CSA Certified	00000000	00000	0000000	00000
14	24V DC	69	10A	1/2 hp @ 240 V AC	1.8"	1.6"	1.4"	0.2"	UL Recognized Component CSA Certified	00000000	00000	0000000	00000

Medium-Current Relays

4 Circuits

Use these relays with industrial automation systems, security and emergency lighting, and small motors. Also known as power relays.

Optional covers protect contacts from dust and dirt.

Relays
			Switching Current									Optional Covers
Number of Terminals	Input Voltage	Control Current, mA	@ 120V AC	@ 28V DC	hp @ Switching Voltage	Ht.	Wd.	Dp.	Specifications Met		Each		Each
4 Circuits Controlled with 4 Off (Normally Open) or 4 On (Normally Closed)—4PDT
14	120V AC	116	35A	20A	1 1/2 hp @ 240 V AC 1 hp @ 120 V AC	3.4"	2.7"	2.7"	UL Listed C-UL Listed	0000000	0000000	0000000	000000

Compact Socket-Mount Multifunction Timer Relays

Relay

Smaller than standard multifunction timer relays, these relays save space in your control cabinet. They plug into relay sockets for fast installation, and provide a variety of timing functions in one relay.

Relay socket (sold separately) mounts to 35 mm DIN rail or flat surfaces.

				Timing Range
No. of Terminals	Input Voltage	Control Current, mA	Timer Relay Function	No. of	Overall	Switching Current @ 250V AC	Ht.	Wd.	Dp.	Quick-Disconnect Tab Wd.	Specifications Met		Each
4 Circuits Controlled with 4 Off (Normally Open) or 4 On (Normally Closed)—4PDT
14	24V DC	45	Delayed Start (Delay-on-Make) Interval Repeat Cycle	4	0.1 sec.-10 min.	3A	1.1"	0.9"	2.1"	0.093"	UL Recognized Component CSA Certified CE Marked	000000	0000000
14	100-120V AC	15	Delayed Start (Delay-on-Make) Interval Repeat Cycle	4	0.1 sec.-10 min.	3A	1.1"	0.9"	2.1"	0.093"	UL Recognized Component CSA Certified CE Marked	000000	000000
14	200-230V AC	9	Delayed Start (Delay-on-Make) Interval Repeat Cycle	4	0.1 sec.-10 min.	3A	1.1"	0.9"	2.1"	0.093"	UL Recognized Component CSA Certified CE Marked	000000	000000

Relay Socket

0000000

Each

000000