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Allen Bradley 140G MCB 140G-H2H4-D12

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140G-H2H4-D12

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The 140G-H2H4-D12 is a molded case circuit breaker created by Allen-Bradley, a member of Rockwell Automation. This device operates with a maximum rated current of 125 Amps and features four poles for effective circuit management. It is designed with a 25 kA interrupting capacity to handle fault conditions safely.

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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 140G-H2H4-D12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H2H4-D12
Weight2.06 lbs (0.94 kg)
FrameH
Amps125
Interrupting Rating25 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 140G-H2H4-D12 molded case circuit breaker by Allen-Bradley provides robust protection for electrical systems. This unit comes with a frame type classified as H, allowing it to accommodate a current capacity of 125 Amps. It boasts an interrupting rating of 25 kA, making it suitable for high-demand applications by effectively interrupting fault currents. The electronic LSI protection system enhances operational reliability, ensuring swift response to overcurrents.

Configured with four poles, this breaker supports various electrical setups while managing a current range of 120 A efficiently. The rated insulation voltage of 1000 V indicates its ability to handle high-voltage applications safely. It can withstand impulse voltages of 8 kV, ensuring durability under transient conditions.

Weighing 3.53 pounds, the 140G-H2H4-D12 is designed for ease of installation while ensuring reliable performance over its service life. It achieves a mechanical operational capacity of 240 operations per hour and an electrical longevity rated at 120 operations per hour, reflecting its durability and suitability for consistent use in demanding environments.

Revision Part #Also known as
140G-H2H4-D12 Ser A140G-H2H4-D12/A, Series A, Rev A
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