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Allen Bradley 140G MCB 140G-H3F4-D11

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140G-H3F4-D11

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The 140G-H3F4-D11 is a molded case circuit breaker from Allen-Bradley, a brand of Rockwell Automation. It is designed for applications requiring reliable circuit protection and operates at a maximum of 125 Amps. This unit features an interrupting rating of 35 kA and is equipped with adjustable thermal and magnetic 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-H3F4-D11

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3F4-D11
Weight10.00 lbs (4.54 kg)
FrameH
Amps125
Interrupting Rating35 kA
Protection TypeAdjustable Thermal/ Adjustable Magnetic
Poles4
Current Range110 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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Configured as a molded case circuit breaker, the Allen-Bradley 140G-H3F4-D11 is built to provide dependable electrical protection. This model operates at a nominal amperage of 125, and it can effectively interrupt fault currents with its designated rating of 35 kA.

The construction offers adjustable thermal and magnetic protections, permitting customization to meet specific operational requirements. With a four-pole design, this breaker can handle a current range of up to 110 A, ensuring it adapts to various configurations in multi-phase systems.

Designed for high voltage applications, the 140G-H3F4-D11 is rated for insulation voltages reaching 1000 V and can endure impulse withstands of up to 8 kV. Evaluating its physical specifications, this model weighs in at approximately 3.53 pounds. The longevity of this breaker is noteworthy, as it can withstand a mechanical cycle rating of 240 operations per hour accompanied by an electrical life rating of 120 operations per hour, underscoring its reliability for extensive use in demanding settings.

Revision Part #Also known as
140G-H3F4-D11 Ser A140G-H3F4-D11/A, Series A, Rev A
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