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Square D B70.0 is a thermal unit designed to protect motors and associated components from overheating due to prolonged motor over-currents. This unit operates effectively during high current conditions and prevents damage to motor circuits. It responds quickly to overload situations, tripping within twenty seconds to prevent further issues.
This thermal unit is built for reliability and durability in motor control applications, especially where melting alloy thermal overload relays are used. It is suitable for Class 20 applications, ensuring that motors are safeguarded against excessive heating.
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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