Thermal Overloads | McMaster-Carr

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Circuit Breaker Interruption Type

562 Products

Electrical Power, Networking, and Controlling

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

41 products

Motor Voltage Monitors

Protect electric motors by cutting power when faults occur

5 products

Motor Speed Controls

Manage the speed of AC and DC motors

19 products

Relays

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

4 products

Circuit Breakers

Reusable way to interrupt circuits when they overload or short

411 products

Fuses

Stop the flow of electricity when there's a circuit overload or short; replace after each break

18 products

Fluid Handling

Temperature Controllers

Precisely regulate process temperatures; more accurate than temperature switches

8 products