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Allen Bradley 140G MCB 140G-H3I3-D10

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140G-H3I3-D10

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The 140G-H3I3-D10 is a reliable molded case circuit breaker from Allen-Bradley, designed for essential electrical protection. It has a maximum rated current of 125 Amps and features an electronic LSIG protection scheme, offering precise monitoring and response to electrical faults.

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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 140G-H3I3-D10

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3I3-D10
Weight10.00 lbs (4.54 kg)
FrameH
Amps125
Interrupting Rating35 kA
Protection TypeElectronic LSIG
Current Range100 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-H3I3-D10 is a molded case circuit breaker built to provide stringent electrical protection. Its H frame is specified for a maximum current rating of 125 Amps. This device employs an electronic LSIG protection mechanism, enhancing its responsiveness to overload and short-circuit events.

It accommodates a maximum current range of 100 Amps, making it suitable for various applications. With an interrupting capacity rated at 35 kA, it is capable of effectively managing fault currents, thus safeguarding connected circuits. The rated insulation voltage stands at 1000 V, allowing this circuit breaker to operate efficiently under high-voltage conditions. Additionally, the unit can handle impulse withstand voltages up to 8 kV, ensuring robustness against transient voltages.

Weighing in at 2.65 pounds, this compact device offers easy installation options while maintaining durability. The 140G-H3I3-D10 boasts a mechanical operational life rated at 240 cycles per hour, along with an electrical life of 120 cycles per hour, reflecting its reliability in continuous service applications.

Revision Part #Also known as
140G-H3I3-D10 Ser A140G-H3I3-D10/A, Series A, Rev A
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