9-Pin Sockets | McMaster-Carr

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75 Products

IEC Safe-Break Pin-and-Sleeve Connectors

These connectors meet international standards IEC 309-1 and 309-2, so they’re compatible with other IEC 309 devices. They allow you to connect and disconnect with the power on—spring-loaded contacts open like a switch when separating the connectors, preventing an electrical arc. All are approved as switch-rated connectors for branch and motor circuit disconnect switching. Connectors have a ground pin that is included in the number of wires. Rated NEMA 4X, 12, and IP69K, they're protected against corrosion, oil/coolant seepage, washdowns, and high-temperature, high-pressure washdowns.

Plugs

125V AC,
2W3P
Male

250V AC,
2W3P
Male

480V AC,
2W3P
Male

125/250V
AC,
3W4P Male

380-415V
AC, 3W4P
Male

250V AC,
3W4P
Male

600V AC,
3W4P
Male

120/208V
AC,
4W5P Male

277/480V
AC,
4W5P Male

347/600V
AC,
4W5P Male

220/380V AC,
240/415V AC,
4W5P Male

Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Wire Connection Type	For Wire Gauge	For Cable OD	Temp. Range, °F	Environmental Rating	Choose a Voltage		Each
2"	2	1	3	3W2P	Single	30A	Screw Terminals	12-8	0.5"-1.25"	-40° to 165°	NEMA 4X, NEMA 12, IP69K	125V AC, 250V AC, 480V AC	0000000	0000000
2"	3	1	4	4W3P	Single	30A	Screw Terminals	12-8	0.5"-1.22"	-40° to 165°	NEMA 4X, NEMA 12, IP69K	125V AC/250V AC, 380V AC-415V AC	0000000	000000
2"	3	1	4	4W3P	Three	30A	Screw Terminals	12-8	0.5"-1.22"	-40° to 165°	NEMA 4X, NEMA 12, IP69K	250V AC, 600V AC	0000000	000000
2"	4	1	5	5W4P	Three	30A	Screw Terminals	12-8	0.5"-1.45"	-40° to 165°	NEMA 4X, NEMA 12, IP69K	120V AC/208V AC, 277V AC/480V AC, 347V AC/600V AC	0000000	000000
2"	4	1	5	5W4P	Three	30A	Screw Terminals	12-8	0.5"-1.45"	-40° to 165°	NEMA 4X, NEMA 12, IP69K	220V AC/380V AC and 240V AC/415V AC	0000000	000000

Sockets

125V AC,
2W3P
Female

250V AC,
2W3P
Female

480V AC,
2W3P
Female

125/250V
AC,
3W4P Female

380-415V
AC, 3W4P
Female

250V AC,
3W4P
Female

600V AC,
3W4P
Female

120/208V
AC,
4W5P Female

277/480V
AC,
4W5P Female

347/600V
AC,
4W5P Female

220/380V AC,
240/415V AC,
4W5P Female

Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Wire Connection Type	For Wire Gauge	For Cable OD	Temp. Range, °F	Features	Environmental Rating	Choose a Voltage		Each
2"	2	1	3	3W2P	Single	30A	Screw Terminals	12-8	0.5"-1.25"	-40° to 165°	Cord Grip, Power-Indicating Light	NEMA 4X, NEMA 12, IP69K	125V AC, 250V AC, 480V AC	0000000	0000000
2"	3	1	4	4W3P	Single	30A	Screw Terminals	12-8	0.5"-1.25"	-40° to 165°	Cord Grip, Power-Indicating Light	NEMA 4X, NEMA 12, IP69K	125V AC/250V AC, 380V AC-415V AC	0000000	000000
2"	3	1	4	4W3P	Three	30A	Screw Terminals	12-8	0.5"-1.25"	-40° to 165°	Cord Grip, Power-Indicating Light	NEMA 4X, NEMA 12, IP69K	250V AC, 600V AC	0000000	000000
2"	4	1	5	5W4P	Three	30A	Screw Terminals	12-8	0.5"-1.45"	-40° to 165°	Cord Grip, Power-Indicating Light	NEMA 4X, NEMA 12, IP69K	120V AC/208V AC, 277V AC/480V AC, 347V AC/600V AC	0000000	000000
2"	4	1	5	5W4P	Three	30A	Screw Terminals	12-8	0.5"-1.45"	-40° to 165°	Cord Grip, Power-Indicating Light	NEMA 4X, NEMA 12, IP69K	220V AC/380V AC and 240V AC/415V AC	0000000	000000

Female Receptacles

125V AC,
2W3P
Female

250V AC,
2W3P
Female

480V AC,
2W3P
Female

125/250V
AC,
3W4P Female

380-415V
AC, 3W4P
Female

250V AC,
3W4P
Female

600V AC,
3W4P
Female

120/208V
AC,
4W5P Female

277/480V
AC,
4W5P Female

347/600V
AC,
4W5P Female

220/380V AC,
240/415V AC,
4W5P Female

Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Wire Connection Type	For Wire Gauge	Features	Temp. Range, °F	Environmental Rating	Choose a Voltage		Each
2"	2	1	3	3W2P	Single	30A	Screw Terminals	12-8	Cord Grip, Power-Indicating Light	-40° to 165°	NEMA 4X, NEMA 12, IP69K	125V AC, 250V AC, 480V AC	0000000	0000000
2"	3	1	4	4W3P	Single	30A	Screw Terminals	12-8	Cord Grip, Power-Indicating Light	-40° to 165°	NEMA 4X, NEMA 12, IP69K	125V AC/250V AC, 380V AC-415V AC	0000000	000000
2"	3	1	4	4W3P	Three	30A	Screw Terminals	12-8	Cord Grip, Power-Indicating Light	-40° to 165°	NEMA 4X, NEMA 12, IP69K	250V AC, 600V AC	0000000	000000
2"	4	1	5	5W4P	Three	30A	Screw Terminals	12-8	Cord Grip, Power-Indicating Light	-40° to 165°	NEMA 4X, NEMA 12, IP69K	120V AC/208V AC, 277V AC/480V AC, 347V AC/600V AC	0000000	000000
2"	4	1	5	5W4P	Three	30A	Screw Terminals	12-8	Cord Grip, Power-Indicating Light	-40° to 165°	NEMA 4X, NEMA 12, IP69K	220V AC/380V AC and 240V AC/415V AC	0000000	000000

Safe-Break Pin-and-Sleeve Connectors

Connect and disconnect with the power on—spring-loaded contacts open like a switch when separating the connectors, preventing an electrical arc. These connectors are approved as switch-rated connectors for branch circuit and motor circuit disconnect switching. When mated, they form a NEMA 4X rated connection that resists corrosion and protects against washdowns. A ground pin is included in the number of wires.

Receptacles include a junction box with a conduit entry hub.

Finger drawplates (sold separately) create a grip around plugs and sockets or receptacles, making it easier to pull them together tightly when mating.

Caps (sold separately) protect plugs when not in use.

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

Plugs

2W3P

3W4P

Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Wire Connection Type	For Wire Gauge	For Cable OD	Temp. Range, °F	Environmental Rating	Choose a Voltage		Each
1.8"	3	1	2	2W3P	Single	30A	Screw Terminals	14-8	0.2"-0.82"	-15° to 140°	IP66, IP67, IP69K, NEMA 4X	125V AC	00000000	0000000
1.9"	4	1	3	3W4P	Three	30A	Screw Terminals	14-8	0.2"-0.82"	-40° to 140°	IP66, IP67, IP69K, NEMA 4X	250V AC, 480V AC, 600V AC	0000000	000000
2.2"	4	1	3	3W4P	Three	60A	Screw Terminals	12-4	0.2"-0.82"	-40° to 140°	IP66, IP67, IP69K, NEMA 4X	250V AC, 480V AC, 600V AC	0000000	000000
2.6"	4	1	3	3W4P	Three	100A	Screw Terminals	10-2	0.51"-1.38"	-40° to 140°	IP66, IP67, IP69K, NEMA 4X	250V AC, 480V AC, 600V AC	0000000	000000

Sockets


	2W3P
	3W4P

Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Wire Connection Type	For Wire Gauge	For Cable OD	Temp. Range, °F	Features	Environmental Rating	Choose a Voltage		Each
1.8"	3	1	2	2W3P	Single	30A	Screw Terminals	14-8	0.2"-0.82"	-15° to 140°	Internal Shutters	IP66, IP67, IP69K, NEMA 4X	125V AC	00000000	0000000
1.8"	4	1	3	3W4P	Three	30A	Screw Terminals	14-8	0.2"-0.82"	-40° to 140°	__	IP66, IP67, IP69K, NEMA 4X	250V AC, 480V AC, 600V AC	0000000	000000
2.2"	4	1	3	3W4P	Three	60A	Screw Terminals	12-4	0.2"-0.82"	-40° to 140°	__	IP66, IP67, IP69K, NEMA 4X	250V AC, 480V AC, 600V AC	0000000	000000
2.6"	4	1	3	3W4P	Three	100A	Screw Terminals	10-2	0.51"-1.38"	-40° to 140°	__	IP66, IP67, IP69K, NEMA 4X	250V AC, 480V AC, 600V AC	0000000	000000

30° Elbow Female Receptacles


	2W3P
	3W4P

										Conduit
Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Wire Connection Type	For Wire Gauge	For Cable OD	Trade Size	Thread Type	Features	Temp. Range, °F	Environmental Rating	Choose a Voltage		Each
1.8"	3	1	2	2W3P	Single	30A	Screw Terminals	14-8	__	1	NPT	Internal Shutters	-15° to 140°	IP66, IP67, IP69K, NEMA 4X	125V AC	00000000	0000000
1.9"	4	1	3	3W4P	Three	30A	Screw Terminals	14-8	0.2"-0.82"	1	NPT	__	-40° to 140°	IP66, IP67, IP69K, NEMA 4X	250V AC, 480V AC, 600V AC	0000000	000000
2.2"	4	1	3	3W4P	Three	60A	Screw Terminals	12-4	__	1	NPT	__	-40° to 140°	IP66, IP67, IP69K, NEMA 4X	250V AC, 480V AC, 600V AC	0000000	000000
2.6"	4	1	3	3W4P	Three	100A	Screw Terminals	10-2	__	1 1/2	NPT	__	-40° to 140°	IP66, IP67, IP69K, NEMA 4X	250V AC, 480V AC, 600V AC	0000000	000000

Finger Drawplates for Plugs, Sockets, and Receptacles

For Connector Current	Includes		Each
30 A	Two Drawplates, Two Gaskets	00000000	000000
60 A	Two Drawplates, Two Gaskets	00000000	00000
100 A	Two Drawplates, Two Gaskets	00000000	00000

Replacement Pins for Plugs

Ground Pins
For Connector Current	Pin Material		Each
30 A	Silver-Plated Nickel	00000000	000000
60 A	Silver-Plated Nickel	00000000	00000
100 A	Silver-Plated Nickel	00000000	00000
Power Pins
30 A	Silver-Plated Nickel	00000000	00000
60 A	Silver-Plated Nickel	00000000	00000
100 A	Silver-Plated Nickel	00000000	00000

Caps for Plugs

For Connector Current	For Face Dia.	Manufacturer	Manufacturer Model No.	Material	Color	Environmental Rating		Each
30 A	1.8"	Meltric	61-3A426	Neoprene Rubber	Black	IP66, IP67, IP69K, NEMA 4X	00000000	000000
60 A	2.2"	Meltric	61-6A426	Neoprene Rubber	Black	IP66, IP67, IP69K, NEMA 4X	00000000	00000
100 A	2.6"	Meltric	31-6A426	Neoprene Rubber	Black	IP66, IP67, IP69K, NEMA 4X	00000000	00000

Replacement Sleeves for Sockets and Receptacles

Ground Sleeves
For Connector Current	Sleeve Material		Each
30 A	Silver-Plated Nickel	00000000	000000
60 A	Silver-Plated Nickel	00000000	00000
100 A	Silver-Plated Nickel	00000000	00000
Power Sleeves
30 A	Silver-Plated Nickel	00000000	00000
60 A	Silver-Plated Nickel	00000000	00000
100 A	Silver-Plated Nickel	00000000	00000

Replacement Covers for Sockets and Receptacles

For Connector Current	Material		Each
30 A	Polyester Plastic	00000000	000000
60 A	Polyester Plastic	00000000	00000

Replacement Pawls for Sockets and Receptacles

For Connector Current	Material		Each
30 A, 60 A	Polyester Plastic	00000000	000000
100 A	Polyester Plastic	00000000	00000

Hazardous Location Safe-Break Pin-and-Sleeve Connectors

Use connectors where ignitable gas and dust may be present, such as in refineries and silos. They are CSA certified for Class I, Division 2, Groups A, B, C, and D; and Class II, Division 2, Groups F and G. All have a chamber that withstands the pressure of an internal ignition—isolating it from spreading to the surrounding environment. They're rated IP66 and IP67 for protection from washdowns and temporary submersion.

Finger drawplates (sold separately) create a grip around plugs and sockets or receptacles, making it easier to pull them together tightly when mating.

Caps (sold separately) protect plugs when not in use.

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

Plugs

2W3P

3W4P

Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Wire Connection Type	For Wire Gauge	For Cable OD	Temp. Range, °F	Choose a Voltage		Each
1.9"	3	1	2	2W3P	Single	30A	Screw Terminals	14-6	0.44"-0.81"	-40° to 140°	125V AC	0000000	0000000
1.9"	4	1	3	3W4P	Three	30A	Screw Terminals	14-6	0.44"-0.81"	-40° to 140°	250V AC, 480V AC, 600V AC	0000000	000000
2.1"	4	1	3	3W4P	Three	60A	Screw Terminals	10-4	0.66"-1"	-40° to 140°	250V AC, 480V AC, 600V AC	0000000	000000

Sockets

2W3P

3W4P

Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Wire Connection Type	For Wire Gauge	For Cable OD	Temp. Range, °F	Choose a Voltage		Each
1.9"	3	1	2	2W3P	Single	30A	Screw Terminals	14-6	0.44"-0.81"	-40° to 140°	125V AC	0000000	0000000
1.9"	4	1	3	3W4P	Three	30A	Screw Terminals	14-6	0.44"-0.81"	-40° to 140°	250V AC, 480V AC, 600V AC	0000000	000000
2.1"	4	1	3	3W4P	Three	60A	Screw Terminals	10-4	0.66"-1"	-40° to 140°	250V AC, 480V AC, 600V AC	0000000	00000000

30° Elbow Female Receptacles


	2W3P
	3W4P

									Conduit
Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Wire Connection Type	For Wire Gauge	Trade Size	Thread Type	Temp. Range, °F	Choose a Voltage		Each
1.9"	3	1	2	2W3P	Single	30A	Screw Terminals	14-6	3/4	NPT	-40° to 140°	125V AC	0000000	0000000
1.9"	4	1	3	3W4P	Three	30A	Screw Terminals	14-6	3/4	NPT	-40° to 140°	250V AC, 480V AC, 600V AC	0000000	000000
2.1"	4	1	3	3W4P	Three	60A	Screw Terminals	10-4	1	NPT	-40° to 140°	250V AC, 480V AC, 600V AC	0000000	00000000

Finger Drawplates for Plugs, Sockets, and Receptacles

For Connector Current	Includes		Each
30 A	Two Drawplates, Two Gaskets	00000000	000000
60 A	Two Drawplates, Two Gaskets	00000000	00000

Caps for Plugs

For Connector Current	For Face Dia.	Manufacturer	Manufacturer Model No.	Material	Color		Each
30 A	1.9"	Meltric	22-3A426	Neoprene Rubber	Black	0000000	000000
60 A	2.1"	Meltric	22-6A426	Neoprene Rubber	Black	0000000	00000

IEC Pin-and-Sleeve Connectors

These connectors meet international standards IEC 60309-1 and 60309-2, so they’re compatible with other IEC 60309 devices. They have a nonconductive nylon housing so they’re safer to use than components made of metal. Plugs have a notch that must line up with a keyway in sockets and receptacles when mating. All have a ground pin that is included in the number of wires.

IP44 rated connectors protect against damp environments.

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

Plugs

125V AC,
2W3P
Male

600V AC,
3W4P
Male

250V AC,
3W4P
Male

480V AC,
3W4P
Male

Rated IP44
Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Wire Connection Type	For Wire Gauge	For Cable OD	Temp. Range, °F	Choose a Voltage		Each
1.8"	3	1	2	2W3P	Single	30A	Screw Terminals	10-8	0.45"-0.68"	0° to 120°	125V AC	000000000	000000
1.8"	4	1	3	3W4P	Three	30A	Screw Terminals	10-8	0.49"-0.76"	0° to 120°	600V AC	000000000	00000
2.3"	4	1	3	3W4P	Three	30A	Screw Terminals	14-8	0.49"-0.76"	-10° to 120°	250V AC, 480V AC	00000000	00000

Sockets

125V AC,
2W3P
Female

600V AC,
3W4P
Female

250V AC,
3W4P
Female

480V AC,
3W4P
Female

Rated IP44
Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Wire Connection Type	For Wire Gauge	For Cable OD	Temp. Range, °F	Choose a Voltage		Each
1.8"	3	1	2	2W3P	Single	30A	Screw Terminals	10-8	0.45"-0.68"	0° to 120°	125V AC	000000000	000000
1.8"	4	1	3	3W4P	Three	30A	Screw Terminals	10-8	0.49"-0.76"	0° to 120°	600V AC	000000000	00000
2.3"	4	1	3	3W4P	Three	30A	Screw Terminals	14-8	0.49"-0.76"	-10° to 120°	250V AC, 480V AC	00000000	00000

Corrosion-Resistant Pin-and-Sleeve Connectors

When used together, connectors maintain a watertight and corrosion-resistant NEMA 4X connection. All meet UL 1686 and are fully interchangeable with other UL 1686 configured and listed devices.

3W4P (three wire four pole) connectors have a ground pin that is included in the number of poles. They are marked 3W4P.

Receptacles include a mounting box with a conduit entry hub.

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

Plugs

	Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Voltage	Wire Connection Type	For Wire Gauge	For Cable OD	Temp. Range, °F		Each
A	1.9"	3	0	3	3W3P	Three	30A	250V DC/600V AC	Screw Terminals	10-6	0.55"-1.2"	-55° to 100°	0000000	0000000
B	1.9"	4	0	4	4W4P	Three	30A	250V DC/600V AC	Screw Terminals	10-6	0.55"-1.2"	-55° to 100°	0000000	000000
C	1.9"	4	1	3	3W4P	Three	30A	250V DC/600V AC	Screw Terminals	10-6	0.55"-1.2"	-55° to 100°	0000000	000000

Sockets

	Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Voltage	Wire Connection Type	For Wire Gauge	For Cable OD	Temp. Range, °F		Each
A	1.9"	3	0	3	3W3P	Three	30A	250V DC/600V AC	Screw Terminals	10-6	0.55"-1.2"	-55° to 100°	0000000	0000000
B	1.9"	4	0	4	4W4P	Three	30A	250V DC/600V AC	Screw Terminals	10-6	0.55"-1.2"	-55° to 100°	0000000	000000
C	1.9"	4	1	3	3W4P	Three	30A	250V DC/600V AC	Screw Terminals	10-6	0.55"-1.2"	-55° to 100°	0000000	000000

30° Elbow Female Receptacles

											Conduit
	Face Dia.	No. of Poles	No. of Ground Connections	No. of Wires	Industry Designation	Electrical Phase	Current	Voltage	Wire Connection Type	For Wire Gauge	Trade Size	Thread Type	Temp. Range, °F		Each
A	1.9"	3	0	3	3W3P	Three	30A	250V DC/600V AC	Screw Terminals	10-6	1	NPT	-55° to 100°	0000000	0000000
B	1.9"	4	0	4	4W4P	Three	30A	250V DC/600V AC	Screw Terminals	10-6	1	NPT	-55° to 100°	0000000	000000
C	1.9"	4	1	3	3W4P	Three	30A	250V DC/600V AC	Screw Terminals	10-6	1	NPT	-55° to 100°	0000000	000000