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Allen Bradley 140G MCB 140G-H0H3-D12

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140G-H0H3-D12

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The 140G-H0H3-D12 by Allen-Bradley is a molded case circuit breaker prominently designed for demanding electrical applications. It operates with a nominal current rating of 125 Amps and showcases an interrupting capacity of 100 kA, making it suitable for high-load scenarios.

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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-H0H3-D12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H0H3-D12
Weight3.00 lbs (1.36 kg)
FrameH
Amps125
Interrupting Rating100 kA
Protection TypeElectronic LSI
Current Range120 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-H0H3-D12 circuit breaker from Allen-Bradley is engineered for robust electric systems and is classified as a molded case circuit breaker. It handles a standard rating of 125 Amps, making it reliable for various applications. With a significant interrupting rating of 100 kA, the breaker is designed to protect circuits from excessive fault currents efficiently.

The unit features an H frame structure that can handle a current range of 120 A effectively. It is equipped with electronic LSI (Load Short Circuit Interrupt) protection, enabling effective monitoring of circuit conditions and a quick response during overload situations.

This model operates at a rated insulation voltage of 1000 V, which signifies its suitability for high voltage environments. Additionally, it can withstand impulse voltages rated up to 8 kV, further enhancing its durability and reliability in challenging conditions.

Weighing 2.65 lbs, the 140G-H0H3-D12 is designed for ease of installation while ensuring robust operational capabilities. Mechanical life is substantial at 240 operations per hour, contributing to its effectiveness in frequent cycling applications. Its electrical life, rated at 120 operations per hour, showcases its longevity and reliability in performance-based tasks.

Revision Part #Also known as
140G-H0H3-D12 Ser A140G-H0H3-D12/A, Series A, Rev A
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