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.
For technical drawings and 3-D models, click on a part number.
Switching | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Circuits Controlled | Electrical Phase (hp) | Switch Starting Position | Industry Designation | Current, A | Voltage | Ht. | Wd. | Wire Connection Type | Specifications Met | Each | |
Stays Switched (Maintained) | |||||||||||
| 3 | Three (10 hp @ 240 V AC) | 3 Off (Normally Open) | 3PST-NO | 60 | 600V AC | 3.8" | 1.7" | Screw Terminals | UL Listed, CSA Certified | 0000000 | 0000000 |
| 3 | Three (7 1/2 hp @ 240 V AC) | 3 Off (Normally Open) | 3PST-NO | 30 | 600V AC | 3.7" | 1.8" | Screw Terminals | UL Listed, CSA Certified | 0000000 | 00000 |
Washdown Enclosed Motor Switches
Rated NEMA 4X and 12K, these switches are protected from corrosion, washdowns, and oil/coolant dripping. Use them to turn motors on and off, or with other circuits such as lighting and electric heat circuits. They do not provide overload protection.
For technical drawings and 3-D models, click on a part number.
Switching | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Circuits Controlled | Electrical Phase (hp) | Switch Starting Position | Industry Designation | Current, A | Voltage | Ht. | Wd. | Wire Connection Type | Environmental Rating | Specifications Met | Each | |
Stays Switched (Maintained) | ||||||||||||
| 3 | Three (7 1/2 hp @ 240 V AC) | 3 Off (Normally Open) | 3PST-NO | 30 | 600V AC | 7.6" | 5.1" | Screw Terminals | NEMA 4X, IP69K, NEMA 12K | UL Listed, C-UL Listed, CSA Certified, UL 746C, UL 94 5VA | 0000000 | 0000000 |
Enclosed Motor Switches
These switches are housed in a plastic enclosure. Since they’re already protected, you can mount them to a wall if there’s no space left in your electrical panel. You can also turn them into a handheld control and move them around your workstation by attaching a cord and cord grip. The enclosure is PBT polyester, so it won’t swell in moist environments. Easy to operate even if you’re wearing gloves, flip the toggle switch up and down. Use these switches to turn motors on and off, or with lighting and electric heat circuits. They do not provide overload protection.
For technical drawings and 3-D models, click on a part number.
Switching | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Circuits Controlled | Electrical Phase (hp) | Switch Starting Position | Industry Designation | Current, A | Voltage | Ht. | Wd. | Wire Connection Type | Environment | Environmental Rating | Specifications Met | Each | |
Stays Switched (Maintained) | |||||||||||||
| 3 | Three (10 hp @ 240 V AC) | 3 Off (Normally Open) | 3PST-NO | 60 | 600V AC | 4.5" | 4.7" | Screw Terminals | Indoor Only | NEMA 1 | UL Listed, CSA Certified | 0000000 | 0000000 |
| 3 | Three (7 1/2 hp @ 240 V AC) | 3 Off (Normally Open) | 3PST-NO | 30 | 600V AC | 4.2" | 2.8" | Screw Terminals | Indoor Only | NEMA 1 | UL Listed, CSA Certified | 0000000 | 00000 |
Hazardous Location Enclosed Motor Switches
Safely turn motors on and off near ignitable gases and dust—the housing on these switches seals in anything that could ignite flammable material. Made from aluminum, the housing is lightweight and durable. It guards against water, oil, and other materials that could cause damage. Even in harsh conditions, there’s no need to mount these switches inside an electrical panel.
You need to grip and twist the lever to actuate these switches, so they won’t accidentally turn on or off if something bumps into them. In addition to starting and stopping motors, they work with other circuits, such as lighting and electric heat circuits. They don’t provide overload protection.
For technical drawings and 3-D models, click on a part number.
Switching | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Circuits Controlled | Electrical Phase (hp) | Switch Starting Position | Industry Designation | Current, A | Voltage | Ht. | Wd. | Wire Connection Type | Environmental Rating | Specifications Met | Each | |
Stays Switched (Maintained) | ||||||||||||
| 3 | Three (7 1/2 hp @ 240 V AC) | 3 Off (Normally Open) | 3PST-NO | 30 | 600V AC | 6.5" | 3" | Screw Terminals | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEMA 7 NEMA 9 | UL Listed, C-UL Listed, CSA Certified | 0000000 | 0000000 |
Raintight Enclosed Motor Switches
Start and stop motors outdoors and in other wet environments. Rated NEMA 3R, these switches seal out rain and light splashes. They’re housed in a protective aluminum enclosure, so you don’t need to mount them inside an electrical panel. The enclosure is lighter in weight than stainless steel enclosures yet still stands up to water and oil.
In addition to turning motors on and off, these switches work with other circuits, such as lighting and electric heat circuits. They do not provide overload protection.
For technical drawings and 3-D models, click on a part number.
Switching | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Circuits Controlled | Electrical Phase (hp) | Switch Starting Position | Industry Designation | Current, A | Voltage | Ht. | Wd. | Wire Connection Type | Environmental Rating | Specifications Met | Each | |
Stays Switched (Maintained) | ||||||||||||
| 3 | Three (7 1/2 hp @ 240 V AC) | 3 Off (Normally Open) | 3PST-NO | 30 | 600V AC | 5.8" | 4.5" | Screw Terminals | NEMA 3R | CSA Certified, UL Listed, UL 94 V-2 | 0000000 | 0000000 |
High-Current Toggle Switches
Able to withstand high currents, these switches are often used with motors and pumps.
For technical drawings and 3-D models, click on a part number.
| 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 | |
2 Position with Quick-Disconnect Terminals | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
For 1/2" Panel Cutout Dia. | |||||||||||
| 3 | 3 Off (Normally Open) | Stays Switched (Maintained) | 6 | 3PST-NO | On-Off | 20 A @ 125 V AC, 20 A @ 30 V DC | 30V DC 250V AC | 1.31" | Yes | 0000000 | 000000 |
2 Position with Screw Terminals | |||||||||||
For 1/2" Panel Cutout Dia. | |||||||||||
| 3 | 3 Off (Normally Open) | Stays Switched (Maintained) | 6 | 3PST-NO | On-Off | 30 A @ 125 V AC/30 V DC | 30V DC 250V AC | 1.34" | Yes | 0000000 | 00000 |
2 Position with Solder Lugs | |||||||||||
For 1/2" Panel Cutout Dia. | |||||||||||
| 3 | 3 Off (Normally Open) | Stays Switched (Maintained) | 6 | 3PST-NO | On-Off | 20 A @ 125 V AC, 20 A @ 30 V DC | 30V DC 250V AC | 1.08" | Yes | 0000000 | 00000 |