600V AC Switches | McMaster-Carr

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566 Products

Choosing an Electrical Switch

Aluminum Enclosed Push-Button Switches

A lightweight yet durable alternative to stainless steel enclosed switches, these aluminum enclosed switches withstand corrosion, oil, and washdowns.

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.

Hazardous Location Cable-Pull
Emergency Stop Switches

Safe to use near ignitable gases and dust, the housing on these switches seals in anything that could ignite flammable material. Yank the cable anywhere along your line to quickly cut power in emergencies.

Compact Safety Limit Switches

Shorter and thinner than other safety limit switches, these are sized to fit tight spaces.

Safety Limit Switches

Protect machinery and ensure the safety of personnel—these switches will open the circuit when actuated even if a spring fails or the contacts stick.

Hazardous Location Limit Switches

Safely open or close a circuit near ignitable gases and dust—the housing on these switches seals in anything that could ignite flammable material.

Motor Control Switches

Motor Switches

Use these switches to turn motors on and off, or with lighting and electric heat circuits. They do not provide overload protection.

Enclosed Motor Switches

These switches are housed in a plastic enclosure.

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.

Enclosure Motor Switches

Designed to mount on an electrical enclosure, these switches control motors, lighting, and electric heat circuits.

Washdown Enclosed Motor Switches

Install these switches in areas with oil, coolant, corrosive chemicals, and regular washdowns. They're rated IP69K and NEMA 4X and 12 or 12K.

Raintight Enclosed Motor Switches

Start and stop motors outdoors and in other wet environments.

Manual Motor Starters

Operated by hand, these starters are more compact than electrically actuated motor starters; use them when multiple motor circuits are housed in one panel.

Disconnect Switches

Panel-Mount Compact Disconnect Switches

Install these switches in a panel cutout.

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.

Durable Disconnect Switches

Protected by a steel enclosure, these switches withstand tougher conditions than switches in a plastic housing. Also known as safety switches, they have quick-make/quick-break action to eliminate arcing and prolong switch life.

Outdoor Durable Disconnect Switches

A raintight NEMA 3R rated enclosure protects these switches outdoors.

Panel-Mount Disconnect Switches

Harsh Environment Panel-Mount
Disconnect Switches

Rated IP69K, these switches are protected from high-pressure and high-temperature washdowns.

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.

Washdown Enclosed Disconnect Switches

The IP66 rated housing not only shields these switches from washdowns but also makes them durable enough to be mounted outside of an electrical panel.

Hazardous Location Enclosed Disconnect Switches

With a housing that’s designed to contain an explosion, these switches are safe to use in areas where ignitable concentrations of flammable or combustible gas, dust, or fibers may be present.

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.

Manual Override Enclosure Disconnect Switches

Keep power running while you access your enclosure. Unlike standard enclosure disconnect switches, which shut off power as you open your enclosure, these have an override function.

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.

Relays

DIN-Rail Mount Solid State Relays

Unlike mechanical relays, these solid state relays have no moving parts, so they require less maintenance and last longer, switch faster, and are quieter. They mount on 35 mm DIN rail (also known as DIN 3) for fast installation.

DIN-Rail Mount Touch-Safe Screw Terminal Relays

Quickly and safely mount these relays on 35 mm DIN rail (also known as DIN 3). IP20 rated, they have recessed terminals that prevent fingers and other objects from touching live circuits.

Solid State Screw Terminal Relays

With no moving parts, these solid-state relays are fast switching and require less maintenance, last longer, and are quieter than mechanical switches.

Infrequent-Cycle Relays

For use with equipment that cycles on and off, these relays meet UL 508 for air conditioning and heating. Also known as definite-purpose contactors.

Machine-Guard Relays

The interlocked opposing contacts won't close at the same time, so these relays are suitable for safety applications such as machine guarding.

Analog-Input Proportional-Control Relays

Often used to regulate the speed of AC fans or keep a heater at a set temperature, these relays connect directly to sensors to calculate and adjust output power. This allows you to use an analog input without converting it to a digital signal to control output power.

Touch-Safe DIN-Rail Mount Infrequent-Cycle Relays

Operate equipment that cycles on and off from your control cabinet.