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Heater packs are interchangeable thermal protection elements inserted into an overload relay assembly. They are selected based on a motor's specifications and can be changed to adjust the protection settings of the motor without having to replace the entire overload relay.
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Eaton bi-metallic thermal overload relay heater packs are interchangeable protection elements for the C306DN3B overload relay assembly. They are selected based on a motor's specifications and can be changed to adjust the protection settings of the motor without having to replace the entire overload relay.
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