Choosing an Electrical Switch
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Snap-Acting Switches
Open and close circuits in a snap. These switches actuate quickly to minimize arcing and prevent contacts from sticking. They’re often used to indicate that an appliance or enclosure door is open. You can also use them inside limit, pressure, and temperature switches.
Switches with a plunger actuator require a push to actuate, similar to a button.
Switches with a lever actuator have an arm that extends to give them a larger actuation area than switches with a plunger actuator.
Switches with a roller lever actuator combine the larger actuation area of a standard lever with a smooth gliding roller actuator. They minimize friction to limit wear and tear on your switch.
Plastic covers (sold separately) are compatible with switches with screw terminals. They fit over the bottom of the switch to prevent contact with live terminals.
For technical drawings and 3-D models, click on a part number.
Switches | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Housing | Plastic Covers | |||||||||||||||||
| No. of Circuits Controlled | Switch Starting Position | Switch Action | Industry Designation | Switching Current @ Voltage | Max. Voltage  | Horsepower @ Switching Voltage | Operating Temp. Range, °F | Actuator Ht. | No. of Terminals | Lg. | Ht. | Dp. | Lever Lg. | Each | Each | |||
Plunger Actuator Style | ||||||||||||||||||
With Screw Terminals | ||||||||||||||||||
| A | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 10 A @ 250 V AC, 10 A @ 8 V DC | 480V AC 250V DC | 1/4 hp @ 250 V AC | -13° to 176° | 0.04" | 6 | 1.94" | 0.95" | 0.69" | __ | 000000 | 000000 | 0000000 | 00000 |
With Solder Lugs | ||||||||||||||||||
| A | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 10 A @ 250 V AC, 10 A @ 8 V DC | 480V AC 250V DC | __ | -13° to 176° | 0.1" | 6 | 1.94" | 0.89" | 0.69" | __ | 00000000 | 00000 | 000000 | 00 |
Lever Actuator Style | ||||||||||||||||||
With Screw Terminals | ||||||||||||||||||
| F | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 10 A @ 250 V AC, 10 A @ 8 V DC | 480V AC 250V DC | 1/4 hp @ 250 V AC | -13° to 176° | 0.29" | 6 | 1.94" | 0.95" | 0.69" | 2.5" | 000000 | 00000 | 0000000 | 0000 |
| F | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 10 A @ 250 V AC, 10 A @ 8 V DC | 480V AC 250V DC | 1/4 hp @ 250 V AC | -13° to 176° | 0.4" | 6 | 1.94" | 0.89" | 0.69" | 2.5" | 00000000 | 00000 | 0000000 | 0000 |
With Solder Lugs | ||||||||||||||||||
| F | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 10 A @ 250 V AC, 10 A @ 8 V DC | 480V AC 250V DC | __ | -13° to 176° | 0.4" | 6 | 1.94" | 0.89" | 0.69" | 2.5" | 00000000 | 00000 | 000000 | 00 |
Roller Lever Actuator Style | ||||||||||||||||||
With Screw Terminals | ||||||||||||||||||
| G | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 10 A @ 250 V AC, 10 A @ 8 V DC | 480V AC 250V DC | 1/4 hp @ 250 V AC | -13° to 176° | 0.58" | 6 | 1.94" | 0.95" | 0.69" | 1.2" | 000000 | 00000 | 0000000 | 0000 |
| H | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 10 A @ 250 V AC, 10 A @ 8 V DC | 480V AC 250V DC | 1/4 hp @ 250 V AC | -13° to 176° | 0.68" | 6 | 1.94" | 0.95" | 0.69" | 1.9" | 000000 | 00000 | 0000000 | 0000 |
| H | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 10 A @ 250 V AC, 10 A @ 8 V DC | 480V AC 250V DC | 1/4 hp @ 250 V AC | -13° to 176° | 0.74" | 6 | 1.94" | 0.89" | 0.69" | 1.9" | 00000000 | 00000 | 0000000 | 0000 |
With Solder Lugs | ||||||||||||||||||
| H | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 10 A @ 250 V AC, 10 A @ 8 V DC | 480V AC 250V DC | __ | -13° to 176° | 0.74" | 6 | 1.94" | 0.89" | 0.69" | 1.9" | 00000000 | 00000 | 000000 | 00 |
Corrosion-Resistant Washdown Limit Switches
Rated NEMA 6P, 13, and IP67, these switches are protected from corrosion, oil/coolant spraying, washdowns, and temporary submersion. When an object in motion comes into contact with the actuator, it sends a signal to open or close a circuit. They’re often used on conveyor systems and bin filling operations.
Styles D and E have an actuator that allows you to adjust its height, making it easier to align switch with the target during installation.
For technical drawings and 3-D models, click on a part number.
Housing | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Style | No. of Circuits Controlled | Switch Starting Position | Switch Action | Industry Designation | Switching Current @ Voltage | Max. Voltage | Operating Temp. Range, °F | Actuator Ht. | Wire Connection Type | No. of Terminals | Lg. | Ht. | Dp. | Housing Material | Conduit Trade Size | Each | |
Plunger Actuator Style | |||||||||||||||||
| A | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 5 A @ 240 V AC, 10 A @ 24 V DC | 600V AC 250V DC | 10° to 200° | 0.8" | Screw Terminals | 8 | 1.9" | 4.5" | 1.8" | Zinc | 1/2 | 00000000 | 0000000 |
Roller Lever Actuator Style | |||||||||||||||||
| C | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 5 A @ 240 V AC, 10 A @ 24 V DC | 600V AC 250V DC | 10° to 250° | 1.2" | Screw Terminals | 8 | 1.9" | 4.5" | 1.8" | Zinc | 1/2 | 00000000 | 000000 |
| D | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 5 A @ 240 V AC, 10 A @ 24 V DC | 600V AC 250V DC | 10° to 250° | 1.2"-3.3" | Screw Terminals | 8 | 1.9" | 4.5" | 1.8" | Zinc | 1/2 | 00000000 | 000000 |
Rod Actuator Style | |||||||||||||||||
| E | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 5 A @ 240 V AC, 10 A @ 24 V DC | 600V AC 250V DC | 10° to 250° | 0.5"-11.8" | Screw Terminals | 8 | 1.9" | 4.5" | 1.8" | Zinc | 1/2 | 00000000 | 000000 |
Wobble Stick Actuator Style | |||||||||||||||||
| F | 2 | 2 Off (Normally Open) or 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 5 A @ 240 V AC, 10 A @ 24 V DC | 600V AC 250V DC | 10° to 200° | 4.5" | Screw Terminals | 8 | 1.9" | 4.5" | 1.8" | Zinc | 1/2 | 00000000 | 000000 |
Low-Profile Wet-Location Limit Switches
Stack these slim switches together, or fit them into tight spaces. They're rated IP67 for protection from temporary submersion. When an object in motion comes into contact with the actuator, it sends a signal to open or close a circuit. They’re often used on conveyor systems and elevators.
Switches with powder-coated zinc and plastic housings are rated NEMA 4 and 13 for protection from washdowns and oil/coolant spraying.
For technical drawings and 3-D models, click on a part number.
Housing | ||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| No. of Circuits Controlled | Switch Starting Position | Switch Action | Industry Designation | Switching Current @ Voltage | Max. Voltage | Operating Temp. Range, °F | Actuator Ht. | No. of Wire Leads | Cable Lead Lg., ft. | Lg. | Ht. | Dp. | Housing Material | Each | ||
Roller Plunger Actuator Style | ||||||||||||||||
With Wire Leads | ||||||||||||||||
| D | 2 | 2 Off (Normally Open) and 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 3 A @ 240 V AC, 0.55 A @ 125 V DC | 250V DC 240V AC | -13° to 158° | 0.6" | 8 | 3 | 1.2" | 2.2" | 0.7" | Powder-Coated Zinc | 0000000 | 000000 |
| D | 2 | 2 Off (Normally Open) and 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 3 A @ 240 V AC, 0.55 A @ 125 V DC | 250V DC 240V AC | -13° to 158° | 0.6" | 8 | 3 | 1.2" | 2.2" | 0.7" | Plastic | 0000000 | 00000 |
Roller Lever Actuator Style | ||||||||||||||||
With Wire Leads | ||||||||||||||||
| E | 2 | 2 Off (Normally Open) and 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 3 A @ 240 V AC, 0.55 A @ 125 V DC | 250V DC 240V AC | -13° to 158° | 2.1" | 8 | 3 | 1.2" | 2.2" | 0.7" | Powder-Coated Zinc | 0000000 | 00000 |
| E | 2 | 2 Off (Normally Open) and 2 On (Normally Closed) | Springs Back (Momentary) | DPDT | 3 A @ 240 V AC, 0.55 A @ 125 V DC | 250V DC 240V AC | -13° to 158° | 2.1" | 8 | 3 | 1.2" | 2.2" | 0.7" | Plastic | 0000000 | 00000 |