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Allen Bradley 140U MCB 140U-H2C3-D10

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140U-H2C3-D10

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The 140U-H2C3-D10 by Allen Bradley is a molded case circuit breaker designed to provide reliable overcurrent protection. It features a 100 amp rated current and is housed in an H-frame configuration, supporting three poles for circuit protection.

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2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 140U-H2C3-D10

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-H2C3-D10
UPC611320842708
Weight2.50 lbs (1.13 kg)
Frame SizeH-Frame
Rated Current100 A
Number of poles3 poles
Thermal TypeFixed Thermal
Magnetic TypeFixed Magnetic
Magnetic Trip Current1000 A
Thermal Trip Current100 A
Interrupting Rating (at 480V AC)25 kA
Rated Impulse Withstand Voltage8 kV
Breaking Capacity at 690V AC3 kA
Installation Altitude1000 m
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The Allen Bradley 140U-H2C3-D10 represents a robust solution in molded case circuit protection. Designed with an H-frame structure, this circuit breaker is configured with three poles and calibrated for a maximum rated current of 100 A. It employs fixed thermal protection and magnetic trip functions to safeguard circuits efficiently.

Trip settings are critical for safety; the magnetic trip is set for 1000 A, providing robust short circuit protection, while the thermal trip rating is calibrated to 100 A, addressing overload conditions effectively. This breaker features an interrupting capacity of 25 kA when operating at 480V AC, ensuring it can interrupt fault currents efficiently.

With a rated impulse withstand voltage of 8 kV, the device withstands transients, adding to its reliability. The breaking capacity recorded at 690V AC is 3 kA, sufficient for varying applications. Designed for mounting at altitudes up to 1000 meters, the 140U-H2C3-D10 is versatile and suitable for diverse environments, maintaining functionality under various operational conditions.