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The Square D CC64.3 Thermal Unit is designed to safeguard motors and controllers from overheating caused by prolonged motor overcurrents, including locked rotor currents. This unit works alongside branch circuit fuses or circuit breakers to protect against high currents from short circuits. The Class 20 thermal units are engineered to trip under overload conditions within twenty seconds or less, ensuring rapid response to potential motor damage.
This thermal unit is essential for maintaining motor health in industrial applications, preventing damage and ensuring efficient operation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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