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Allen Bradley 140G MCB 140G-H3H3-D12

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140G-H3H3-D12

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The Allen-Bradley 140G-H3H3-D12 is designed as a molded case circuit breaker, suitable for robust electrical applications. This device operates at a maximum of 125 amps and can handle an interrupting rating of 35 kA, making it effective for safeguarding circuit integrity in various environments.

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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-H3H3-D12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3H3-D12
Weight3.00 lbs (1.36 kg)
FrameH
Amps125
Interrupting Rating35 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-H3H3-D12 circuit breaker from Allen-Bradley represents a high-quality solution for electrical circuit management. Operating with a maximum current rating of 125 amps, this molded case circuit breaker is built within an H frame. This model provides critical overload protection with an interrupting rating of 35 kA. Its sophisticated electronic LSI protection enhances operational safety and reliability under various electrical conditions.

Designed to accommodate a rated insulation voltage of 1000 volts, the 140G-H3H3-D12 is also equipped to manage impulse withstands of 8 kV, ensuring durability in the presence of surge conditions. Weighing approximately 2.65 pounds, this circuit breaker is manageable for installation in various setups.

Among its operational features, the device supports a mechanical life estimation of 240 operations per hour and an electrical life of 120 operations per hour. This longevity in services helps minimize maintenance interruptions while sustaining effective protection for electrical circuitry.

Revision Part #Also known as
140G-H3H3-D12 Ser A140G-H3H3-D12/A, Series A, Rev A
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