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Square D B2.40 is a magnetic starter thermal unit designed to protect motors, controllers, and circuit conductors from overheating caused by prolonged overcurrents or locked rotor conditions. It ensures the safety of motor and related components by interrupting the circuit in case of overload.
This unit is effective for use in melting alloy thermal overload relays and provides reliable circuit protection.
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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