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Allen Bradley 140G MCB 140G-H3F3-D11

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140G-H3F3-D11

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The 140G-H3F3-D11 is a molded case circuit breaker from the Allen-Bradley brand, part of Rockwell Automation. It operates at a maximum rating of 125 amps with an interrupting capacity of 35 kA, making it suitable for challenging electrical conditions.

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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-D11

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3F3-D11
Weight10.00 lbs (4.54 kg)
FrameH
Amps125
Interrupting Rating35 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Current Range110 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-H3F3-D11 is a reliable molded case circuit breaker designed for high-performance applications. This device features an H frame and is constructed to manage system demands with a maximum current rating of 125 amps. The circuit breaker has an interrupting rating of 35 kA, allowing it to handle fault conditions reliably.

Its protection type combines adjustable thermal and magnetic functions, enabling it to cater to specific application needs. The adjustable mechanism provides a current range capability of up to 110 A. With a rated insulation voltage of 1000 volts, this breaker is suitable for high-voltage environments. It can also withstand impulse voltages as high as 8 kV, effectively safeguarding against transient spikes.

Weighing in at 2.65 pounds, the 140G-H3F3-D11 is designed for durability and ease of installation. Additionally, its mechanical life is rated to support 240 operations per hour, while the electrical life rating allows for 120 operations per hour. This combination of specifications makes the 140G-H3F3-D11 a dependable choice for ensuring circuit protection in various industrial configurations.

Revision Part #Also known as
140G-H3F3-D11 Ser A140G-H3F3-D11/A, Series A, Rev A
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