About Motor Switches and Starters
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Choosing an Electrical Switch
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Motor Switches
Use these switches to turn motors on and off, or to control lighting and electric heat circuits. They do not provide overload protection.
Toggle switches work like a traditional light switch—just flip the toggle up or down. Even if you’re wearing thick gloves, they’re easy to actuate.
Finger guards (sold separately) cover the screw terminals on your switch, blocking you from touching a live wire. If you need to move the terminal block, they prevent accidental shock.
For technical drawings and 3-D models, click on a part number.
Switches | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Switching | Finger Guards | |||||||||||||
| No. of Circuits Controlled | Electrical Phase (hp) | Switch Starting Position | Industry Designation | Current, A | Voltage | Ht. | Wd. | Wire Connection Type | Specifications Met | Each | Pkg. Qty. | Pkg. | ||
Stays Switched (Maintained) | ||||||||||||||
Toggle Actuator Style | ||||||||||||||
| 2 | Single (5 hp @ 240 V AC) | 2 Off (Normally Open) | DPST-NO | 50 | 600V AC | 3.8" | 2.3" | Screw Terminals | UL Listed, CSA Certified | 0000000 | 0000000 | 2 | 0000000 | 000000 |
| 3 | Three (7 1/2 hp @ 240 V AC) | 3 Off (Normally Open) | 3PST-NO | 50 | 600V AC | 3.8" | 2.3" | Screw Terminals | UL Listed, CSA Certified | 0000000 | 000000 | 2 | 0000000 | 00000 |
Enclosed Compact Disconnect Switches
Small yet mighty, these switches are about as tall and wide as an index card yet durable enough to mount directly to a wall. Their polycarbonate housing protects the switch and resists denting, chipping, and cracking. Rated IP65, the housing also seals out water even in frequently washed down areas. Don’t be fooled by their size—these switches can handle electrical loads comparable to a standard sized switch.
These switches cut power and keep it isolated to prevent equipment from starting up during inspection and maintenance. All have a lockout, so you can secure them in the off position with a padlock (not included).
For technical drawings and 3-D models, click on a part number.
Yellow Plastic Housing with Red Actuator | ||||||||
|---|---|---|---|---|---|---|---|---|
| Switching Current @ Voltage | Industry Designation | Electrical Phase (hp) | Ht. | Wd. | Environmental Rating | Specifications Met | Each | |
Stays Switched (Maintained) | ||||||||
3 Circuits with Lockout | ||||||||
| 50 A @ 600 V AC, 50 A @ 24 V DC | 3PST | Single (3 hp @ 120 V AC) Three (15 hp @ 240 V AC) Three (7 1/2 hp @ 120 V AC) | 5 5/16" | 6 11/16" | IP65 | UL Recognized Component, CSA Certified, UL 508 | 00000000 | 0000000 |
4 Circuits with Lockout | ||||||||
| 50 A @ 600 V AC, 50 A @ 24 V DC | 4PST | Single (3 hp @ 120 V AC) Three (15 hp @ 240 V AC) Three (7 1/2 hp @ 120 V AC) | 5 5/16" | 6 11/16" | IP65 | UL Recognized Component, CSA Certified | 00000000 | 000000 |
Panel-Mount Compact Disconnect Switches
Install these switches in a panel cutout. Small enough to fit in tight spaces, they handle comparable electrical loads to standard sized switches. They cut power and keep it isolated to prevent equipment from starting up during inspection and maintenance. All have a lockout so you can secure them in the off position with a padlock (not included). They’re rated IP65 for protection from washdowns.
For technical drawings and 3-D models, click on a part number.
| Switching Current @ Voltage | Industry Designation | Electrical Phase (hp) | Ht. | Wd. | Dp. Behind Panel | Specifications Met | Each | |
Gray Plastic Housing with Black Actuator | ||||||||
|---|---|---|---|---|---|---|---|---|
Stays Switched (Maintained) | ||||||||
3 Circuits with Lockout—For 3/8" Panel Cutout Dia. | ||||||||
| 50 A @ 600 V AC, 50 A @ 24 V DC | 3PST | Single (3 hp @ 120 V AC) Three (7 1/2 hp @ 120 V AC) Three (15 hp @ 240 V AC) | 4" | 3 1/8" | 3 3/16" | UL Recognized Component, UL 508 | 000000000 | 0000000 |
4 Circuits with Lockout—For 3/8" Panel Cutout Dia. | ||||||||
| 50 A @ 600 V AC, 50 A @ 24 V DC | 4PST | Single (3 hp @ 120 V AC) Three (7 1/2 hp @ 120 V AC) Three (15 hp @ 240 V AC) | 4" | 3 1/8" | 3 3/16" | UL Recognized Component, UL 508 | 000000000 | 000000 |
Yellow Plastic Housing with Red Actuator | ||||||||
Stays Switched (Maintained) | ||||||||
3 Circuits with Lockout—For 3/8" Panel Cutout Dia. | ||||||||
| 50 A @ 600 V AC, 50 A @ 24 V DC | 3PST | Single (3 hp @ 120 V AC) Three (7 1/2 hp @ 120 V AC) Three (15 hp @ 240 V AC) | 4" | 3 1/8" | 3 3/16" | UL Recognized Component, UL 508 | 00000000 | 000000 |
4 Circuits with Lockout—For 3/8" Panel Cutout Dia. | ||||||||
| 50 A @ 600 V AC, 50 A @ 24 V DC | 4PST | Single (3 hp @ 120 V AC) Three (7 1/2 hp @ 120 V AC) Three (15 hp @ 240 V AC) | 4" | 3 1/8" | 3 3/16" | UL Recognized Component, UL 508 | 00000000 | 000000 |
Enclosed Disconnect Switches
Cut power and keep it isolated to prevent equipment from starting up during inspection and maintenance. These switches are housed in a protective enclosure that resists denting, chipping, and cracking. Mount them to the wall when you run out of space in an electrical panel.
Switches with lockout secure in the off position with a padlock with a maximum shackle diameter of 5/16” (not included).
Photovoltaic switches can be used with photovoltaic cells which convert sunlight into electricity.
Add auxiliary contact blocks to send a signal or connect to another device, such as an alarm or indicating light.
Use additional power poles to control more than three circuits. Add neutral poles to open and close the neutral leg of a three phase system.
For technical drawings and 3-D models, click on a part number.
Switching | ||||||||
|---|---|---|---|---|---|---|---|---|
| Current, A | Voltage | Industry Designation | Electrical Phase (hp) | Ht. | Wd. | Environmental Rating | Each | |
Plastic Housing with Red Actuator | ||||||||
Stays Switched (Maintained) | ||||||||
2 Circuits with Lockout/Photovoltaic | ||||||||
| 50 | 800V DC | DPST | __ | 12 5/8" | 8 11/16" | IP65, NEMA 3R | 0000000 | 0000000 |
3 Circuits | ||||||||
| 50 | 600V AC | 3PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | 8 11/16" | 5 7/8" | IP40, NEMA 3 | 00000000 | 000000 |
3 Circuits with Lockout | ||||||||
| 50 | 600V AC | 3PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | 8 11/16" | 5 7/8" | IP40, NEMA 3 | 00000000 | 000000 |
Plastic Housing with Gray Actuator | ||||||||
Stays Switched (Maintained) | ||||||||
3 Circuits | ||||||||
| 50 | 600V AC | 3PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | 8 11/16" | 5 7/8" | IP40, NEMA 3 | 00000000 | 000000 |
3 Circuits with Lockout | ||||||||
| 50 | 600V AC | 3PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | 8 11/16" | 5 7/8" | IP40, NEMA 3 | 00000000 | 000000 |
| "Main Switch" Label with Adhesive Back—13/16" Ht. × 3 3/16" Wd. | 0000000 | Each | 000000 |
Plastic Housing with Red Actuator | |||||
|---|---|---|---|---|---|
| For Switching Current | Ht. | Wd. | Dp. | Each | |
| 25A, 32A, 50A, 63A | 2 9/16" | 2 9/16" | 1 5/16" | 0000000 | 000000 |
| Switching Current, A | Each | |
| 10 | 0000000 | 000000 |
| Switching Current, A | Specifications Met | Each | |
| 50 | UL Listed, CE Marked | 00000000 | 000000 |
| Switching Current, A | Specifications Met | Each | |
| 50 | UL Listed, CE Marked | 00000000 | 000000 |
| For Current, A | Specifications Met | Each | |
| 50/63 | UL Listed, CE Marked | 00000000 | 000000 |
Panel-Mount Disconnect Switches
Install these switches in a panel cutout. They cut power and keep it isolated to prevent equipment from starting up during inspection and maintenance. All are UL listed, C-UL listed, and CE marked—they meet American, Canadian, and European safety standards.
Switches with lockout secure in the off position with a padlock with a maximum shackle diameter of 5/16” (not included).
Add auxiliary contact blocks to send a signal or connect to another device, such as an alarm or indicating light.
Use additional power poles to control more than three circuits. Add neutral poles to open and close the neutral leg of a three phase system.
Terminal covers prevent contact with live terminals.
For technical drawings and 3-D models, click on a part number.
Switching | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Current, A | Voltage | Industry Designation | Electrical Phase (hp) | Ht. | Wd. | Dp. Behind Panel | Environmental Rating | Each | |
Yellow Plastic Housing with Red Actuator | |||||||||
Stays Switched (Maintained) | |||||||||
3 Circuits—For 3/8" Panel Cutout Dia. | |||||||||
| 50 | 600V AC | 3PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | 2 13/16" | 2 13/16" | 2 3/8" | IP40 | 00000000 | 000000 |
3 Circuits with Lockout—For 3/8" Panel Cutout Dia. | |||||||||
| 50 | 600V AC | 3PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | 2 5/8" | 2 5/8" | 2 3/8" | IP40 | 00000000 | 00000 |
Gray Plastic Housing with Gray Actuator | |||||||||
Stays Switched (Maintained) | |||||||||
3 Circuits—For 3/8" Panel Cutout Dia. | |||||||||
| 50 | 600V AC | 3PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | 2 13/16" | 2 13/16" | 2 3/8" | IP40 | 00000000 | 00000 |
3 Circuits with Lockout—For 3/8" Panel Cutout Dia. | |||||||||
| 50 | 600V AC | 3PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | 2 5/8" | 2 5/8" | 2 3/8" | IP40 | 00000000 | 00000 |
| "Main Switch" Label with Adhesive Back—13/16" Ht. × 3 3/16" Wd. | 0000000 | Each | 000000 |
| Switching Current, A | Each | |
| 10 | 0000000 | 000000 |
| Switching Current, A | Specifications Met | Each | |
| 50 | UL Listed, CE Marked | 00000000 | 000000 |
| Switching Current, A | Specifications Met | Each | |
| 50 | UL Listed, CE Marked | 00000000 | 000000 |
| For Current, A | Specifications Met | Each | |
| 50/63 | UL Listed, CE Marked | 00000000 | 000000 |
Enclosure Disconnect Switches
Install these switches inside an enclosure to prevent it from opening when power is on—turn the switch to disconnect power and release the door. Cut the shaft to fit the enclosure. Use a padlock (not included) to lock switches in the off position. Mount to DIN rail inside an enclosure; mounting depth is the distance from the panel door to the DIN rail. UL listed, C-UL listed, and CE marked, these switches meet American, Canadian, and European safety standards.
Use optional sealing gaskets in washdown environments; they create an IP65 rated seal around the actuator.
Add auxiliary contact blocks to send a signal or connect to another device, such as an alarm or indicating light.
Use additional power poles to control more than three circuits. Add neutral poles to open and close the neutral leg of a three phase system.
Add junction blocks to connect a ground wire.
Terminal covers prevent contact with live terminals.
Switching | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Current, A | Voltage | Electrical Phase (hp) | Ht. | Wd. | For DIN Rail Ht., mm | Mounting Dp. | Environmental Rating | Each | |
Yellow Plastic Housing with Red Actuator | |||||||||
3 Circuits with Lockout—For 1 3/16" Panel Cutout Dia. | |||||||||
| 50 | 600V AC | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (3 hp @ 120 V AC) Three (7 1/2 hp @ 240 V AC) | 2 5/8" | 2 5/8" | 35 | 5 5/16"-16 1/8" | IP40 | 0000000 | 000000 |
4 Circuits with Lockout—For 1 3/16" Panel Cutout Dia. | |||||||||
| 50 | 600V AC | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (3 hp @ 120 V AC) Three (7 1/2 hp @ 240 V AC) | 2 5/8" | 2 5/8" | 35 | 5 5/16"-16 1/8" | IP40 | 0000000 | 000000 |
Gray Plastic Housing with Gray Actuator | |||||||||
3 Circuits with Lockout—For 1 3/16" Panel Cutout Dia. | |||||||||
| 50 | 600V AC | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (3 hp @ 120 V AC) Three (7 1/2 hp @ 240 V AC) | 2 5/8" | 2 5/8" | 35 | 5 5/16"-16 1/8" | IP40 | 0000000 | 00000 |
| For Switching Voltage, A | Each | |
| 25-63 | 0000000 | 00000 |
| Switching Current, A | Specifications Met | Each | |
| 50 | UL Listed, CE Marked | 00000000 | 000000 |
| Switching Current, A | Specifications Met | Each | |
| 50 | UL Listed, CE Marked | 00000000 | 000000 |
| For Current, A | Specifications Met | Each | |
| 50/63 | UL Listed, CE Marked | 00000000 | 000000 |
DIN-Rail Mount Disconnect Switches
Often used in electrical enclosures, these switches mount directly to DIN rails. They cut power and keep it isolated to stop equipment from starting up during inspection and maintenance. For an extra level of security, add a padlock (not included) to lock out the actuator lever in the Off position.
Add auxiliary contact blocks to send a signal or connect to another device, such as an alarm or indicating light.
Use additional power poles to control additional circuits. Add neutral poles to open and close the neutral leg of a three-phase system.
Add junction blocks to connect a ground wire.
Terminal covers prevent contact with live terminals.
For technical drawings and 3-D models, click on a part number.
Switching | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Current, A | Voltage | Switch Action | Industry Designation | Electrical Phase (hp) | Ht. | Wd. | For Max. Padlock Shackle Dia. | For DIN Rail Ht., mm | Wire Connection Type | Specifications Met | Each | |
Gray Plastic Housing with Black Actuator | ||||||||||||
3 Circuits with Lockout | ||||||||||||
| 50 | 600V AC | Stays Switched (Maintained) | 3PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | 3 3/8" | 2 1/8" | 5/16" | 35 | Screw Terminals | UL Listed, C-UL Listed, CE Marked, UL 508 | 0000000 | 000000 |
4 Circuits with Lockout | ||||||||||||
| 50 | 600V AC | Stays Switched (Maintained) | 4PST | Single (1 1/2 hp @ 120 V AC) Single (3 hp @ 240 V AC) Three (7 1/2 hp @ 240 V AC) | 3 3/8" | 2 1/8" | 5/16" | 35 | Screw Terminals | UL Listed, C-UL Listed, CE Marked, UL 508 | 0000000 | 00000 |
| Switching Current, A | Each | |
| 10 | 0000000 | 000000 |
| Switching Current, A | Specifications Met | Each | |
| 50 | UL Listed, CE Marked | 00000000 | 000000 |
| Switching Current, A | Specifications Met | Each | |
| 50 | UL Listed, CE Marked | 00000000 | 000000 |
Cam Panel-Mount Lever Switches
Thanks to their ability to handle higher current than switches with contact blocks, these switches are often found in applications from large motors to warehouse lighting systems. The cam pushes contacts more tightly together than contact blocks, allowing more electricity to flow through. However, they aren’t made to be rewired like switches with contact blocks are. These switches require you to grip and twist a lever to turn circuits on or off, so they won’t accidentally actuate if you bump into them. Mount them in a standard panel cutout diameter.
Choose a switch based on the complexity of your application. Changeover switches have three positions. They work well if you need to toggle between a primary power source and a backup generator. Legend plates (sold separately) give you a way to change your switch’s message.
For technical drawings and 3-D models, click on a part number.
Lever Switches | Legend Plates | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Lever Lg. | No. of Circuits Controlled | Switch Action | No. of Terminals | Position Designation | Message | Switching Current @ Voltage | Max. Voltage | Dia. | Dp. Behind Panel | Each | Message | Each | ||
3 Position for 10 mm Panel Cutout Dia. | ||||||||||||||
Changeover with Screw Terminals | ||||||||||||||
| 1 3/4" | 2 | Stays Switched (Maintained) | 6 | On-Off-On | 1-0-2 | 50 A @ 600 V AC | 600V AC 600V DC | 1 1/8" | 3 1/8" | 0000000 | 0000000 | Hand-Off-Auto | 0000000 | 000000 |
| 1 3/4" | 3 | Stays Switched (Maintained) | 9 | On-Off-On | 1-0-2 | 50 A @ 600 V AC | 600V AC 600V DC | 1 1/8" | 3 15/16" | 0000000 | 000000 | Hand-Off-Auto | 0000000 | 00000 |