240V AC Relays | McMaster-Carr

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184 Products

Relays

Compact Spade-Terminal Relays

Smaller than standard spade-terminal relays in height and depth, these relays save space inside your control cabinet.

Thin Spade-Terminal Relays

Thinner than other spade-terminal relays, these fit in tight spaces.

Spade-Terminal Relays

Attach quick-disconnect terminals or plug relays into relay sockets.

Circular-Pin Relays

The circular pin terminals plug into relay sockets for easy installation.

Premium Circular-Pin Relays

Built to handle tough, repetitive-use applications, these are more durable than standard relays.

Screw Terminal Relays

Use the screw terminals to hardwire these relays.

Machine-Guard Safety Screw Terminal Relays

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

Enclosed Medium-Current Relays

The built-in enclosure protects contacts from dust and dirt.

Medium-Current Relays

These relays are rated for motors with 1-3 horsepower or 15-90 amps—use them with industrial automation systems, security and emergency lighting, and small motors. Also known as power relays.

High-Current Relays

Use these relays with large motors and lighting systems.

Infrequent-Cycle High-Current 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.

Sequenced Latching Relays

These relays switch through a series of different circuit configurations every time they receive an input voltage. Also known as step relays.

Ultra-Thin Signal Relays with Socket

Plug these relays into the included socket for fast installation; they disconnect for easy replacement.

Low-Current Timer Relays

Socket-Mount Multifunction Timer Relays

Plug these multifunction timer relays into relay sockets for fast installation and replacement.

Wide-Range Socket-Mount Timer Relays

Postpone starts longer and set wider intervals than with most timer relays.

Motor Starters

Provide on/off control for a motor and protect it from overloads. These starters shut the motor off if current exceeds the full-load current rating.

Low-Profile Motor Starters

With a shallower depth than most other starters, these fit in narrow spaces.

Enclosed Motor Starters

The NEMA 4X rated enclosure protects these starters from corrosion and washdowns.

Compact Enclosed Motor Starters

Sized to fit in tight spaces, these starters have a shorter height and narrower depth than most other starters.

Reversing Motor Starters

Use these starters with motors that run forward and backward, such as motors for conveyor belts.

Enclosed Reversing Motor Starters

Rated NEMA 4X, these enclosed starters are protected from corrosion and washdowns.

Heavy Duty Motor Starters

Sealed coils protect these switches against moisture, heat, dirt, and mechanical and thermal stress.

Enclosed Heavy Duty Motor Starters

Housed in a durable steel enclosure.

Relays for Float Switches

Install one of these relays to actuate equipment that has a higher current rating than your switch.