Actuator Style Actuator Style |
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Rotary | Thumbwheel |
Switch Action Switch Action |
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Wire Connection Type Wire Connection Type |
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Maximum Resistance Maximum Resistance |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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Switch Starting Position Switch Starting Position |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Choosing an Electrical Switch
More
Rotary Switches


Control multiple devices with one switch. Turn the shaft to change switch positions. Each position closes a set of contacts per circuit, so you can select between multiple devices on one or more circuits.
Switches for 13/32" panel cutout diameter require a knob.
For technical drawings and 3-D models, click on a part number.
Shaft | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
No. of Circuits Controlled | Switch Action | No. of Positions | No. of Terminals | Dp. Behind Panel | O'all Dia. | Lg. | Dia. | Each | ||
Nickel-Plated Brass with Black Plastic Knob | ||||||||||
With Solder Pin Terminals for 1/4" Panel Cutout Dia. | ||||||||||
1 | Stays Switched (Maintained) | 8 | 9 | 1 1/16" | 9/16" | 13/16" | 1/8" | 2 A @ 125 V AC, 1 A @ 30 V DC | 0000000 | 000000 |
2 | Stays Switched (Maintained) | 4 | 10 | 1 1/16" | 9/16" | 13/16" | 1/8" | 2 A @ 125 V AC, 1 A @ 30 V DC | 0000000 | 00000 |
With Solder Turret Terminals for 1/4" Panel Cutout Dia. | ||||||||||
1 | Stays Switched (Maintained) | 6 | 7 | 1" | 9/16" | 13/16" | 1/8" | 3 A @ 125 V AC, 2 A @ 30 V DC | 0000000 | 00000 |
Plastic | ||||||||||
With Solder Lugs for 13/32" Panel Cutout Dia. | ||||||||||
1 | Stays Switched (Maintained) | 12 | 13 | 13/16" | 1" | 1 1/2" | 1/4" | 2.5 A @ 125 V AC, 0.35 A @ 125 V DC | 00000000 | 00000 |
2 | Stays Switched (Maintained) | 6 | 14 | 13/16" | 1" | 1 1/2" | 1/4" | 2.5 A @ 125 V AC, 0.35 A @ 125 V DC | 00000000 | 00000 |
3 | Stays Switched (Maintained) | 4 | 15 | 13/16" | 1" | 1 1/2" | 1/4" | 2.5 A @ 125 V AC, 0.35 A @ 125 V DC | 00000000 | 00000 |
4 | Stays Switched (Maintained) | 3 | 16 | 13/16" | 1" | 1 1/2" | 1/4" | 2.5 A @ 125 V AC, 0.35 A @ 125 V DC | 00000000 | 00000 |
22 mm Panel-Mount Knob Switches
Set these switches to either spring back (momentary) or stay switched (maintained). They're rated NEMA 4X, 13, and IP66.
Replace contact blocks (sold separately) or add additional contact blocks to control more circuits.
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 | Switching Current @ Voltage | Max. Voltage | Dia. | Dp. Behind Panel | For Max. No. of Contact Blocks | Environmental Rating | Specifications Met | Each | |
With Screw Terminals | |||||||||||||
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2 Position | |||||||||||||
2 | 2 Off (Normally Open) | Springs Back (Momentary), Stays Switched (Maintained) | 4 | DPST-NO | 6 A @ 120 V AC, 3 A @ 24 V DC | 250V DC 500V AC | 13/16" | 1 3/4" | 4 | NEMA 4X, NEMA 13, IP66 | UL Listed, CSA Certified, CE Marked, CCC Marked | 0000000 | 000000 |
2 | 1 Off (Normally Open) and 1 On (Normally Closed) | Springs Back (Momentary), Stays Switched (Maintained) | 4 | DPST-1NO/1NC | 6 A @ 120 V AC, 3 A @ 24 V DC | 250V DC 500V AC | 13/16" | 1 3/4" | 4 | NEMA 4X, NEMA 13, IP66 | UL Listed, CSA Certified, CE Marked, CCC Marked | 0000000 | 00000 |
3 Position | |||||||||||||
3 | 3 Off (Normally Open) | Springs Back (Momentary), Stays Switched (Maintained) | 6 | 3PST-NO | 6 A @ 120 V AC, 3 A @ 24 V DC | 250V DC 500V AC | 13/16" | 1 3/4" | 6 | NEMA 4X, NEMA 13, IP66 | UL Listed, CSA Certified, CE Marked, CCC Marked | 0000000 | 00000 |
3 | 2 Off (Normally Open) and 1 On (Normally Closed) | Springs Back (Momentary), Stays Switched (Maintained) | 6 | 3PST-2NO/1NC | 6 A @ 120 V AC, 3 A @ 24 V DC | 250V DC 500V AC | 13/16" | 1 3/4" | 6 | NEMA 4X, NEMA 13, IP66 | UL Listed, CSA Certified, CE Marked, CCC Marked | 0000000 | 00000 |

No. of Circuits Controlled | Switch Starting Position | No. of Terminals | Industry Designation | Environmental Rating | Specifications Met | Each | |
1 | 1 Off (Normally Open) | 2 | SPST-NO | IP20 | UL Listed, UL 508, CSA Certified, CE Marked | 0000000 | 000000 |
1 | 1 On (Normally Closed) | 2 | SPST-NC | IP20 | UL Listed, UL 508, CSA Certified, CE Marked | 0000000 | 00000 |
Battery Knob Switches

Alternate between two batteries without interrupting power. These switches are often used in marine applications.
For technical drawings and 3-D models, click on a part number.
Mounting Holes | |||||||||||||||
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Actuator Material | No. of Terminals | Max. Voltage | Max. Continuous Current | Terminal Size | For Max. Wire Ga. | No. of | Dia. | Ht. | Wd. | Dp. | Environment | Environmental Rating | Specifications Met | Each | |
With Stud Terminals | |||||||||||||||
For 3 5/8" Cutout Dia. | |||||||||||||||
Plastic | 3 | 32V DC | 350 A @ 32 V DC | 3/8" | 4/0 | 4 | 1/4" | 3 7/8" | 3 7/8" | 3 1/8" | Washdown | IP66 | UL Listed, UL Marine Listed, CE Marked, ISO 8846, SAE J1171 | 00000000 | 000000 |
Thumbwheel Switches


Actuate these switches by pushing the tab with your finger. They're often installed in joysticks.
Switches with a wheel stop tab make it easier to turn the wheel.
IP67 rated switches are protected from dust and temporary submersion.
For technical drawings and 3-D models, click on a part number.
Voltage | |||||||||||
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No. of Circuits Controlled | Switch Action | Input | Output | Angle from Center | Actuator Color | Electrical Connection Type | No. of Pins | Housing Color | Dp. Behind Panel | Each | |
Plastic Housing—IP67 | |||||||||||
For 0.64" Wd.×1.44" Ht. Panel Cutout | |||||||||||
1 | Springs Back (Momentary) | 5V DC | 0V DC-5V DC | 40° | Black | Pin Header | 4 | Black | 1/2" | 0000000 | 0000000 |
Plastic Housing with Wheel Stop Tab | |||||||||||
For 0.42" Wd.×0.9" Ht. Panel Cutout | |||||||||||
1 | Springs Back (Momentary) | 5V DC | 0V DC-5V DC | 45° | Gray | Pin Header | 3 | Black | 0.69" | 0000000 | 000000 |
1 | Springs Back (Momentary) | 5V DC | 0.5V DC-4.5V DC | 45° | Black | Pin Header | 3 | Black | 0.69" | 0000000 | 000000 |
Plastic Housing with Wheel Stop Tab—IP67 | |||||||||||
For 0.64" Wd.×1.44" Ht. Panel Cutout | |||||||||||
1 | Springs Back (Momentary) | 5V DC | 0V DC-5V DC | 40° | Blue | Pin Header | 4 | Black | 1/2" | 0000000 | 000000 |
Light Dimmers


Adjust the brightness of lights.
For Bulb Type | No. of Circuits Controlled | No. of Terminals | Input Voltage | Wattage | Wire Connection Type | Choose a Color | Each | |
Rotary | ||||||||
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Incandescent, Halogen | 1 | 2 | 120V AC | 600W | Wire Leads | White/Ivory | 0000000 | 000000 |
Rotary with Wall Plate | ||||||||
Incandescent | 1 | 2 | 120V AC | 1,500W | Wire Leads | 0000000 | 000000 | |
Incandescent | 1 | 2 | 120V AC | 2,000W | Wire Leads | 0000000 | 000000 |
Potentiometers





Vary electrical flow to control speed, volume, and light intensity. The number of turns affects the resolution—the higher the number, the better the control. Also known as variable output switches or rheostats. A knob is required (not included).
Switches with ball bearings have a smoother rotation and a longer service life than other potentiometers.



Shaft | ||||||||||||||
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No. of Turns | Wattage | For Panel Cutout Dia. | Dp. Behind Panel | Dia. | Dia. | Lg. | Housing Material | Wire Connection Type | No. of Terminals | Environmental Rating | Choose a Max. Resistance, kilohms | Each | ||
A | 10 | 2 W @ 325 V AC | 7/16" | 1" | 7/8" | 1/4" | 1/2" | Plastic | Solder Lugs | 3 | IP65 | 0000000 | 000000 | |
A | 10 | 2 W @ 447 V AC | 7/16" | 3/4" | 7/8" | 1/4" | 1/2" | Plastic | Solder Lugs | 3 | IP40 | 0000000 | 00000 | |
A | 10 | 2 W @ 450 V AC | 7/16" | 3/4" | 7/8" | 1/4" | 1/2" | Plastic | Solder Lugs | 3 | IP40 | 0000000 | 00000 | |
A | 5 | 1.5 W @ 273 V AC | 7/16" | 3/4" | 7/8" | 1/4" | 1/2" | Plastic | Solder Lugs | 3 | IP40 | 0000000 | 00000 | |
B | 1 | 1 W @ 300 V AC | 7/16" | 7/16" | 7/8" | 1/4" | 1/2" | Plastic | Solder Lugs | 3 | IP40 | 0000000 | 00000 | |
C | 10 | 5 W @ 1,000 V AC | 7/16" | 1 3/4" | 1 13/16" | 1/4" | 1/2" | Plastic | Solder Lugs | 3 | IP40 | 0000000 | 000000 |

Digital Potentiometers
More precise than analog potentiometers, these have a three-digit display that is easy to read. Also known as variable output switches or rheostats, they vary electrical flow to control speed, volume, and light intensity.
Harsh Environment Potentiometers

Rated NEMA 4X and 13, these potentiometers are protected from debris, washdowns, and oil/coolant spraying. Also known as variable output switches or rheostats, they vary electrical flow to control speed, volume, and light intensity.
Actuator | ||||||||||||
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Wattage @ Voltage | Max. Voltage | For Panel Cutout Dia. | Dp. Behind Panel | No. of Turns | Dia. | Material | Wire Connection Type | Environmental Rating | Specifications Met | Choose a Max. Resistance | Each | |
Plastic | ||||||||||||
2 W @ 120 V AC/ 2 W @ 24 V DC | 500V AC/500V DC | 7/8" (22 mm) | 2 1/4" | 1 | 1 1/8" | Plastic | Screw Terminals | NEMA 4X, NEMA 13, IP65 | UL Listed, C-UL Listed, CE Marked | 000000 | 000000 |
Speed-Monitoring Switches

Set to a specific speed to detect unwanted machinery slowdown that can cause damage and downtime. Applications include drive trains, power-driven components, and conveyors. Switches are UL listed for Class I, Divisions 1 and 2, Groups C and D; and Class II, Divisions 1 and 2, Groups E, F, and G. They have an explosion-proof housing and are also rated NEMA 4X for washdown and corrosion protection.
Switching | Input | Conduit | Mounting Slot | ||||||||||||
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Activation Point Range, rpm | Current, A | Voltage | Voltage | Frequency, Hz | No. of Terminals | Trade Size | Thread Type | Gender | Lg. | Wd. | No. of | Mounting Fasteners Included | Environmental Rating | Each | |
1 Off (Normally Open), 1 On (Normally Closed) Starting Switch Position | |||||||||||||||
SPDT | |||||||||||||||
5-100 | 5 | 120V AC | 120V AC | 60 | 5 | 1 | NPT | Female | 1 1/4" | 0.32" | 2 | Yes | NEC Class I Divisions 1, 2 Groups C, D NEC Class II Divisions 1, 2 Groups E, F, G NEMA 4X | 0000000 | 0000000 |
Speaker Volume Controls


Wire one of these controls between your speakers and amplifier to adjust the volume.
The control with a key lock prevents tampering.
Power, W | No. of Sound Levels | For PA System Type | Ht. | Wd. | Dp. | Mounting Plate Material | Fasteners Included | Features | Specifications Met | Each | |
25 | 10 | 25V, 70V, 100V | 4 1/2" | 2 3/4" | 2 3/4" | Stainless Steel | Yes | Volume Knob | C-ETL Listed, ETL Listed | 00000000 | 000000 |
50 | 10 | 25V, 70V, 100V | 4 1/2" | 2 3/4" | 2 3/4" | Stainless Steel | Yes | Volume Knob | C-ETL Listed, ETL Listed | 00000000 | 00000 |
100 | 10 | 25V, 70V, 100V | 4 1/2" | 2 3/4" | 2" | Stainless Steel | Yes | Key Lock | __ | 00000000 | 000000 |
100 | 10 | 25V, 70V, 100V | 4 1/2" | 2 3/4" | 3 1/8" | Stainless Steel | Yes | Volume Knob | C-ETL Listed, ETL Listed | 00000000 | 00000 |
Level Switches for Dry Materials
When dry material rises to the level of the rotating paddle, these switches actuate. All are rated NEMA 4X and IP66 for protection from corrosion and washdowns.
Switches with auxiliary SPDT relay activate an alarm (not included).
For technical drawings and 3-D models, click on a part number.


Paddle | |||||||||||||
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Current | Max. Pressure | Temp. Range, °F | Insertion Dp. | Switch Starting Position | Industry Designation | Paddle Speed, rpm | Lg. | Wd. | Features | Environmental Rating | Specifications Met | Each | |
Horizontal Side Mount—0-30 lbs. per cu. ft. Capacity | |||||||||||||
8 A @ 120 V AC | 30 psi @ 70° F | -40° to 110° | 6 5/8" | 1 Off (Normally Open) or 1 On (Normally Closed) | SPDT | 1 | 7" | 2" | Auxiliary SPDT Relay LED Alarm Status Indicator LED Power Indicator | IP66, NEMA 4X, NEC Class I Divisions 1, 2 Groups C, D, NEC Class II Divisions 1, 2 Groups E, F, G | UL Listed C-UL Listed | 00000000 | 0000000 |
20 A @ 120 V AC | 30 psi @ 70° F | -40° to 110° | 6 5/8" | 1 Off (Normally Open) or 1 On (Normally Closed) | SPDT | 1 | 7" | 2" | __ | IP66, NEMA 4X, NEC Class I Divisions 1, 2 Groups C, D, NEC Class II Divisions 1, 2 Groups E, F, G | UL Listed C-UL Listed | 00000000 | 000000 |
Vertical Top Mount—30-70 lbs. per cu. ft. Capacity | |||||||||||||
8 A @ 120 V AC | 30 psi @ 70° F | -40° to 110° | 12" | 1 Off (Normally Open) or 1 On (Normally Closed) | SPDT | 1 | 5" | 1 1/2" | Auxiliary SPDT Relay LED Alarm Status Indicator LED Power Indicator | IP66, NEMA 4X, NEC Class I Divisions 1, 2 Groups C, D, NEC Class II Divisions 1, 2 Groups E, F, G | UL Listed C-UL Listed | 00000000 | 000000 |
20 A @ 120 V AC | 30 psi @ 70° F | -40° to 110° | 12" | 1 Off (Normally Open) or 1 On (Normally Closed) | SPDT | 1 | 5" | 1 1/2" | __ | IP66, NEMA 4X, NEC Class I Divisions 1, 2 Groups C, D, NEC Class II Divisions 1, 2 Groups E, F, G | UL Listed C-UL Listed | 00000000 | 000000 |

Paddle Material | Each | |
316 Stainless Steel | 00000000 | 000000 |

Voltage | Includes | Each | |
120V AC | Bracket, Washer | 00000000 | 0000000 |
Flow Switches with Indicator for Water

For flow monitoring at a glance, these switches have a plastic window with a rotor indicator that spins when flow is present. They activate or deactivate equipment when the flow rate reaches your set point. All have an adjustment screw for altering the set point to suit your application. Switches are single pole, double throw (SPDT) and can be installed to turn one circuit from "off" to "on" (normally open) or from "on" to "off" (normally closed).
Switches with a polypropylene body are lighter than sights with a metal body.
Switches with a 316 stainless steel body are more corrosion resistant than switches with a brass body.
For technical drawings and 3-D models, click on a part number.
Pipe Size | Thread Type | Gender | Set Point, gpm | Max. Pressure | Temp. Range, °F | Voltage | Current | End-to-End Lg. | Each | |
Polypropylene Plastic Body | ||||||||||
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1/4 | NPT | Female | 0.1 to 5 | 100 psi @ 70° F | 33° to 180° | 120V AC | 0.3 A @ 120 V AC | 3 1/16" | 0000000 | 0000000 |
1/2 | NPT | Female | 1.5 to 20 | 100 psi @ 70° F | 33° to 180° | 120V AC | 0.3 A @ 120 V AC | 3 1/16" | 0000000 | 000000 |
Brass Body | ||||||||||
1/4 | NPT | Female | 0.1 to 5 | 200 psi @ 70° F | 33° to 212° | 120V AC | 0.3 A @ 120 V AC | 3" | 0000000 | 000000 |
1/2 | NPT | Female | 1.5 to 20 | 200 psi @ 70° F | 33° to 212° | 120V AC | 0.3 A @ 120 V AC | 3" | 0000000 | 000000 |
3/4 | NPT | Female | 5 to 30 | 200 psi @ 70° F | 33° to 212° | 120V AC | 0.3 A @ 120 V AC | 3 15/16" | 0000000 | 000000 |
1 | NPT | Female | 8 to 60 | 200 psi @ 70° F | 33° to 212° | 120V AC | 0.3 A @ 120 V AC | 3 15/16" | 0000000 | 000000 |
316 Stainless Steel Body | ||||||||||
1/2 | NPT | Female | 1.5 to 20 | 200 psi @ 70° F | 33° to 212° | 120V AC | 0.3 A @ 120 V AC | 3" | 0000000 | 000000 |
3/4 | NPT | Female | 5 to 30 | 200 psi @ 70° F | 33° to 212° | 120V AC | 0.3 A @ 120 V AC | 3 15/16" | 0000000 | 000000 |
1 | NPT | Female | 8 to 60 | 200 psi @ 70° F | 33° to 212° | 120V AC | 0.3 A @ 120 V AC | 3 15/16" | 0000000 | 000000 |