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Allen Bradley 140G MCB 140G-H2F4-D12

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140G-H2F4-D12

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The 140G-H2F4-D12 is a molded case circuit breaker produced by Allen-Bradley, part of Rockwell Automation. It provides a current rating of 125 amps and features a maximum interrupting capacity of 25 kA, ensuring dependable circuit protection.

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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-H2F4-D12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H2F4-D12
Weight3.00 lbs (1.36 kg)
FrameH
Amps125
Interrupting Rating25 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
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 Allen-Bradley 140G-H2F4-D12 serves as a reliable molded case circuit breaker. Rated for a substantial 125 amps, this device is integral for circuit protection in various settings. It is designed with an interrupting rating of 25 kA, providing confidence against potential overload conditions. This model contains four poles within an H frame configuration.

The protection scheme utilizes adjustable thermal and magnetic settings, which gives flexibility in circuit management. The unit operates within a current range of 120 amps and can handle insulation voltages of up to 1000 volts. Furthermore, it can endure impulse voltages reaching 8 kV, indicating good resistance to electrical surges in an industrial environment.

Weighing 3.53 pounds, the 140G-H2F4-D12 is compact for installation purposes. It ensures operation longevity, with a mechanical lifespan rated at 240 operations per hour and an electrical life expectancy of 120 operations per hour. This molded case circuit breaker is engineered to perform efficiently and reliably in demanding applications.

Revision Part #Also known as
140G-H2F4-D12 Ser A140G-H2F4-D12/A, Series A, Rev A
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