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Decades of Equipment Knowlege.










1 in stock
This listing is for a NEW 6-Pack of SQUARE D B1.03 thermal overload heater units. These are designed for use with Square D B-Series contactors and motor starters. This unit is categorized as an overload protection accessory and includes the following capabilities: thermal trip functionality, compatibility with B-Series contactors, and compact installation.
Decades of Equipment Knowlege.
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