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Allen Bradley 140G MCB 140G-H3X4

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140G-H3X4

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The Allen-Bradley 140G-H3X4 is a robust molded case circuit breaker designed to operate effectively in various industrial environments. With a capacity of 125 Amps and an interrupting rating of 35 kA, this unit is constructed for reliable performance.

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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-H3X4

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3X4
Weight3.00 lbs (1.36 kg)
FrameH
Amps125
Interrupting Rating35 kA
Protection TypeBreaker Frame
Poles4
Current RangeFrame Only
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-H3X4 from Allen-Bradley represents a molded case circuit breaker capable of efficient and dependable service. It operates under a frame H specification, accommodating a maximum current rating of 125 Amps. This model is built with a notable interrupting rating of 35 kA, enhancing its capability to handle fault conditions adequately.

Featuring four poles, the 140G-H3X4 allows for effective distribution and control of power within various electrical systems. It has been designed for optimal operation with a rated insulation voltage of 1000 V, safeguarding against electrical breakdown. This circuit breaker can also withstand impulse voltages reaching up to 8 kV, ensuring durability in high-stress environments.

The weight of the unit is recorded at 3.53 lbs, making it manageable for installation in numerous setups. Mechanically, this circuit breaker is rated for a life of 240 operations per hour, ensuring reliability in regularly cycled applications. Electrical operation is rated for 120 times per hour, which aligns with its design for use in critical industrial applications. Overall, the 140G-H3X4 serves as a competent solution for ensuring effective circuit protection and management.

Revision Part #Also known as
140G-H3X4 Ser A140G-H3X4/A, Series A, Rev A
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