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WebSquare D Thermal Overload Heater Units: Square D Motor Starters : Heater Elements: Square D Parts : Square D Thermal Unit Selection (Work in Progress) Table 1 * Click here to browse our inventory of Square D heater elements at our online store. Motor Full-Load Current (Amp.) Thermal Unit Number: 1 T.U. 3 T.U. 0.33 - 0.36 0.37 - 0.40 WebTrip Current Rating—The trip current rating is a nominal value that approximates the minimum current to trip an overload relay in an ambient temperature, outside of the … diffusori bluetooth portatili

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