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Allen Bradley 140G MCB 140G-H3F3-D10

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140G-H3F3-D10

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The 140G-H3F3-D10 from Allen-Bradley is a reliable molded case circuit breaker designed to provide effective circuit protection. This device operates within the H frame and supports capacities up to 125 Amps. With an interrupting rating of 35 kA, it meets the demands of rigorous electrical environments efficiently.

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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-H3F3-D10

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3F3-D10
Weight3.50 lbs (1.59 kg)
FrameH
Amps125
Interrupting Rating35 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Current Range100 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-H3F3-D10 is a molded case circuit breaker from Allen-Bradley, part of Rockwell Automation's product lineup. Featuring a sturdy H frame design, it is rated for up to 125 Amps. A notable aspect of this circuit breaker is its flexible protection capabilities, as it offers both adjustable thermal and magnetic settings that allow for precise tuning based on operational requirements. The unit's interrupting capacity is rated at 35 kA, providing adequate protection against short-circuit conditions.

It operates effectively within a current range of 100 A and has an insulation voltage rating of 1000 V, ensuring it can manage high-voltage systems without failure. The breaker also boasts a rated impulse withstand voltage of 8 kV, addressing concerns related to voltage spikes. Weighing in at 2.65 pounds, the device is light enough for seamless installation while still providing the necessary robustness for industrial applications.

Durability is a key feature of the 140G-H3F3-D10, with a mechanical life rated at 240 operations per hour and an electrical life of 120 operations per hour. This longevity is essential for maintaining functionality in dynamic work environments, ensuring reliable performance over extended periods.

Revision Part #Also known as
140G-H3F3-D10 Ser A140G-H3F3-D10/A, Series A, Rev A
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