Overloads | McMaster-Carr

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1,682 Products

Electrical

Motor Starter Overload Protectors

Upgrade your motor starter protector to use less energy and emit less heat

8 products

Motor Starters

Turn motors on and off and protect them from current overloads

405 products

Motor Voltage Monitors

Protect electric motors by cutting power when faults occur

5 products

Relays

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

15 products

Current Relays

Prevent AC current overload in equipment such as motors and heaters

5 products

Disconnect Switches

Make sure equipment stays turned off during inspection and maintenance

8 products

Motor Speed Controls

Manage the speed of AC and DC motors

2 products

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

449 products

Circuit Interrupters

Ground fault protection stops injuries from electric shocks; hardwire to equipment to break circuits

1 product

Circuit Breaker Boxes

Hold a series of circuit breakers in line; also known as load centers

15 products

Circuit Breaker Box Filler Plates

Conceal live electrical components in circuit breaker boxes to prevent injury and damage

2 products

Extension Cord Circuit Interrupter Converters

Hardwire to extension cords to protect against electric shock in wet areas

9 products

Power Cords

Connect equipment and devices to a power source

1 product

Extension Cords

Extend the reach of power from an outlet

37 products

Power Connectors

Plugs, sockets, receptacles, and other connectors for powering equipment

32 products

Outlet Strips

Plug in multiple devices to power them from a single outlet

105 products

Outlet Strip Mounts

Snap in outlet strips for quick mounting on flat surfaces

4 products

Outlet Boxes

House electrical components such as on-off switches, receptacles, and dimmer knobs

4 products

Power Supplies

Convert your facility's AC voltage to power equipment that runs on DC voltage

245 products

Battery Chargers

Charge everything from large-cell to cordless tool to household batteries

3 products

Power Transmission

Torque Limiters

Keep torque at or below a set limit to control tension or braking or protect machinery from overload

112 products

Brakes

Control how much and how quickly your drive system slows down

7 products

Clutches

Start and stop the transmission of power to machinery

58 products

Chain and Belt Torque Limiters

Prevent chain or belt damage from overloading; loads above the set torque trigger a stop

80 products