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The Square D CC219.0 thermal units protect motors, controllers, and branch-circuit conductors against excessive heating due to prolonged motor over-currents, including locked rotor currents. These Class 20 thermal units respond to overload current conditions according to trip curves, tripping in 20 seconds or less. The motor current passes through a small heater winding, and under overload, heat melts a special solder, opening the control circuit contacts.
Protects motors, controllers, and conductors from overheating with Class 20 thermal units, responding to overloads in under 20 seconds.
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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