SPST-NO Switches | McMaster-Carr

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Switch Designation

System of Measurement

Switching Voltage

12V AC to 140V AC

12V AC to 275V AC

12V AC to 277V AC

24V AC to 240V AC

24V AC to 264V AC

24V AC to 265V AC

24V AC to 280V AC

24V AC to 420V AC

42V AC to 530V AC

42V AC to 660V AC

75V AC to 264V AC

Actuator Style

Simulated Roller Lever

Switch Action

Number of Terminals

Panel Cutout Diameter

Illumination

Not Illuminated

Wire Connection

Switching Current

Number of Positions

Position Designation

Number of Circuits Controlled

Actuator Color

Push-Button Shape

Environment

Food and Beverage

High-Pressure Washdown

High-Temperature Washdown

Push-Button Style

Switch Starting Position

Mounting Location

Printed Circuit Board

Color

Bulb Voltage

Switch Type

Export Control Classification Number (ECCN)

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

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1,051 Products

Electrical

Manual Switches

Manual Switches

Everything from toggle, push-button, and rocker switches to foot switches

Manual Switch Contact Blocks

Manual Switch Contact Blocks

Mount to switches to control electrical circuits as you move the switch

Snap-Acting Switches

Snap-Acting Switches

Open and close circuits quickly to minimize arcing and sticking; often used as door-open indicators

Magnetic Switches

Magnetic Switches

Actuate when a magnet comes within sensing distance; often used to detect when doors or windows open

Relays

Electrically open and close circuits to control power to lights, motors, and other equipment

Tilt Switches

Trip circuits when tilted; use as position indicators, pump level controls, and limit switches

Potentiometers

Control speed, volume, and light intensity by varying electrical flow; also known as rheostats

Limit Switches

Turn equipment on or off when objects touch the actuator; often used for conveyors and bin filling

Bumper Switches

Bumper Switches

Signal when overhead doors close or items reach the end of conveyors

Timer Relays

Turn machinery on or off after receiving an electrical signal that starts the timer

Timer Switches

Automatically turn electrical equipment on or off after a set interval

Power Receptacles

Power Receptacles

Install in a wall or panel to transmit power to plugs or sockets

Fluid Handling

Float Switches

Start process equipment such as pumps and motors when the liquid in your tank reaches the float

Level Sensor Switches

Level Sensor Switches

Activate equipment by detecting the liquid level in a tank

Temperature Controllers

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

Temperature Switches

Temperature Switches

Turn heating equipment on or off at a specified temperature

Lighting

Light Switches

Manually turn lights on and off

Safety Equipment

Smoke Detector Test Stations

Smoke Detector Test Stations

Test hard-to-reach HVAC smoke detectors from a convenient location

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