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Allen Bradley 140G MCB 140G-H0H4-D12

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140G-H0H4-D12

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The Allen-Bradley 140G-H0H4-D12 is a molded case circuit breaker engineered for high-demand environments. Designed with a robust H-frame, this component manages a maximum current rating of 125 amps and features an impressive interrupting rating of 100 kA.

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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-H0H4-D12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H0H4-D12
Weight10.00 lbs (4.54 kg)
FrameH
Amps125
Interrupting Rating100 kA
Protection TypeElectronic LSI
Poles4
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 part number 140G-H0H4-D12, a product from Allen-Bradley, is categorized as a molded case circuit breaker designed for optimum performance in electrical applications. This breaker utilizes a frame type labeled H, accommodating a rating of 125 amps. Its interrupting capacity is rated at a significant 100 kA, suitable for protecting against abrupt electrical faults.

Constructed with four poles, this device supports a current range of up to 120 amps, ensuring reliable operation under various load conditions. The rated insulation voltage reaches as high as 1000 volts, providing extensive resistance against electrical breakdown. Furthermore, the unit boasts an impulse withstand voltage of 8 kV, ensuring durability and reliability in high-stress situations.

With a weight of 3.53 pounds, the 140G-H0H4-D12 offers an efficient design for mounting and installation. It is equipped to handle a mechanical life expectancy of up to 240 operations per hour, allowing for frequent mechanical cycling. Additionally, the electrical life is rated for 120 operations per hour, confirming its suitability for demanding electrical tasks. The protection type features an electronic LSI system, advancing the reliability and safety aspects of this circuit breaker, making it ideal for critical applications.

Revision Part #Also known as
140G-H0H4-D12 Ser A140G-H0H4-D12/A, Series A, Rev A
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