High-Amp Electrical Switches | McMaster-Carr

	Switching Current Switching Current

	Electrical Phase Electrical Phase

	Number of Circuits Controlled Number of Circuits Controlled

	Switching Voltage Switching Voltage

	Input Voltage Input Voltage

	Power Power

1/3 hp @ 115 V AC

3/4 hp @ 115 V AC

1 hp @ 115 V AC

1 1/2 hp @ 115 V AC

2 hp @ 115 V AC

3 hp @ 115 V AC

5 hp @ 115 V AC

7 1/2 hp @ 115 V AC

1/3 hp @ 120 V AC

1/2 hp @ 120 V AC

3/4 hp @ 120 V AC

1 hp @ 120 V AC

1 1/2 hp @ 120 V AC

2 hp @ 120 V AC

3 hp @ 120 V AC

5 hp @ 120 V AC

7 1/2 hp @ 120 V AC

10 hp @ 120 V AC

1 hp @ 230 V AC

2 hp @ 230 V AC

3 hp @ 230 V AC

5 hp @ 230 V AC

7 1/2 hp @ 230 V AC

10 hp @ 230 V AC

15 hp @ 230 V AC

20 hp @ 230 V AC

30 hp @ 230 V AC

1 hp @ 240 V AC

1 1/2 hp @ 240 V AC

2 hp @ 240 V AC

3 hp @ 240 V AC

5 hp @ 240 V AC

7 1/2 hp @ 240 V AC

10 hp @ 240 V AC

15 hp @ 240 V AC

20 hp @ 240 V AC

25 hp @ 240 V AC

30 hp @ 240 V AC

5 hp @ 460 V AC

10 hp @ 460 V AC

15 hp @ 460 V AC

20 hp @ 460 V AC

30 hp @ 460 V AC

40 hp @ 460 V AC

50 hp @ 460 V AC

3 hp @ 480 V AC

5 hp @ 480 V AC

7 1/2 hp @ 480 V AC

10 hp @ 480 V AC

15 hp @ 480 V AC

20 hp @ 480 V AC

25 hp @ 480 V AC

30 hp @ 480 V AC

40 hp @ 480 V AC

5 hp @ 575 V AC

10 hp @ 575 V AC

15 hp @ 575 V AC

20 hp @ 575 V AC

30 hp @ 575 V AC

40 hp @ 575 V AC

50 hp @ 575 V AC

5 hp @ 600 V AC

7 1/2 hp @ 600 V AC

10 hp @ 600 V AC

15 hp @ 600 V AC

20 hp @ 600 V AC

30 hp @ 600 V AC

40 hp @ 600 V AC

50 hp @ 600 V AC

60 hp @ 600 V AC

75 hp @ 600 V AC

150 hp @ 600 V AC

	Number of Terminals Number of Terminals

	Maximum Voltage Maximum Voltage

	Industry Designation Industry Designation

	Wire Connection Type Wire Connection Type

Screw Terminals

Quick-Disconnect Terminals

Screw-Clamp Terminals

	Mounting Location Mounting Location

	Switch Action Switch Action

Stays Switched (Maintained)

Springs Back (Momentary)

	Specifications Met Specifications Met

	Width Width

	Depth Depth

	Actuator Style Actuator Style


Rocker	Toggle

Plunger	Key

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

DFARS Specialty Metals
COTS-Exempt

	Height Height

	Load Type Load Type

	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) or 2 On
(Normally Closed)

3 Off (Normally Open)

3 Off (Normally Open) or 3 On
(Normally Closed)

4 Off (Normally Open)

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

	Actuator Color Actuator Color

	Red
	Gray
	Black

	Environment Environment

High-
Pressure
Washdown

	Switch Type Switch Type

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503 Products

Switches

High-Current Rocker Switches

High-Current Rocker Switches

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

Submersible High-Starting-Current Rocker Switches

Submersible High-Starting-Current Rocker Switches

Rated IP67 for protection from dust and temporary submersion.

High-Starting-Current Rocker Switches

High-Starting-Current Rocker Switches

Also known as high-inrush current switches, these switches can handle starting currents up to 10 times greater than their rating, such as when a motor starts.

High-Current Toggle Switches

High-Current Toggle Switches

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

High-Amp Outlet-Box-Mount Key Switches

Enclosure Door Switches

Enclosure Door Switches

Turn fans, lights, alarms, and other components mounted inside an enclosure on or off when you open or close the enclosure door.

Outdoor High-Current Time and Day Activated Switches

Outdoor High-Current Time and Day Activated Switches

Rated NEMA 3R, these rain-tight switches protect against falling liquids and light splashing.

High-Current Time and Day Activated Switches

High-Current Time and Day Activated Switches

Control equipment with high currents, such as landscape lighting, pumps, and heaters.

Outdoor Set-to-the-Minute High-Current
Time and Day Activated Switches

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Rated NEMA 3R, these rain-tight switches protect against falling liquids and light splashing.

Set-to-the-Minute High-Current
Time and Day Activated Switches

Set-to-the-Minute High-Current Time and Day Activated Switches

For precise control of high-current equipment such as landscape lighting, pumps, and heaters, these switches schedule on/off times to the exact minute.

High-Current Wall-Mount Timer Switches

High-Current Wall-Mount Timer Switches

Control equipment with high currents such as air conditioners, heaters, and ventilation fans.

Disconnect Switches

Panel-Mount Disconnect Switches

Panel-Mount Disconnect Switches

Harsh Environment Panel-Mount Disconnect Switches

Harsh Environment Panel-Mount Disconnect Switches

Rated IP69K, these switches are protected from high-pressure and high-temperature washdowns.

Outdoor Durable Disconnect Switches

A raintight NEMA 3R rated enclosure protects these switches outdoors.

Durable Disconnect Switches

Protected by a steel enclosure, these switches withstand tougher conditions than switches in a plastic housing. Also known as safety switches, they have quick-make/quick-break action to eliminate arcing and prolong switch life.

Panel-Mount Compact Disconnect Switches

Panel-Mount Compact Disconnect Switches

Install these switches in a panel cutout.

Enclosed Compact Disconnect Switches

Enclosed Compact Disconnect Switches

These switches are housed in a protective enclosure so they can be mounted wherever needed.

Washdown Enclosed Disconnect Switches

Washdown Enclosed Disconnect Switches

Rated IP66, these switches are protected from washdowns.

Enclosed Disconnect Switches

Enclosed Disconnect Switches

Enclosure Disconnect Switches

Enclosure Disconnect Switches

Mount these switches inside your enclosure to prevent it from opening when power is on—actuating the switch disconnects power and releases the door.

Relays

Infrequent-Cycle High-Current Relays

Infrequent-Cycle High-Current Relays

For use with equipment that cycles on and off, these relays meet UL 508 for air conditioning and heating. Also known as definite-purpose contactors.

DIN-Rail Mount Infrequent-Cycle High-Current Relays

DIN-Rail Mount Infrequent-Cycle High-Current Relays

Mount these relays directly to DIN rail.

DIN-Rail Mount Long-Life High-Current Relays

DIN-Rail Mount Long-Life High-Current Relays

With no moving parts, these solid state relays have an extended service life. Mount them directly to DIN rail.

High-Current Relays

High-Current Relays

Use these relays with large motors and lighting systems.

Water-Resistant High-Current Vehicle Relays

Water-Resistant High-Current Vehicle Relays

High-Current Vehicle Relays

High-Current Vehicle Relays

Suitable for DC-powered equipment such as forklifts, floor scrubbers, and trucks.

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)