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Allen Bradley 140G MCB 140G-H3F4-C90

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140G-H3F4-C90

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The 140G-H3F4-C90, part of the Allen-Bradley lineup under Rockwell Automation, is a molded case circuit breaker offering reliable performance. This specific model supports a maximum current rating of 125 amps and features four poles for diverse applications. With an interrupting capacity rated at 35 kA, it ensures solid overcurrent 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-C90

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3F4-C90
Weight10.00 lbs (4.54 kg)
FrameH
Amps125
Interrupting Rating35 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range90 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-H3F4-C90 molded case circuit breaker is designed for operational flexibility in various electrical environments. This device is rated to handle currents up to 125 amps comfortably. It features a robust interrupting rating of 35 kA, which provides adequate protection against fault conditions.

This circuit breaker is built with four poles, enhancing its capability to manage different circuit configurations. With an adjustable thermal trip and magnetic trip features, the 140G-H3F4-C90 allows for tailored protection settings. It operates efficiently within a current range of 90 A.

The insulation voltage rating is set at 1000 V, providing high resilience to voltage surges. Additionally, the rated impulse withstand voltage reaches up to 8 kV, which safeguards against transient overvoltages. Weighing 3.53 lb, this circuit breaker can be integrated easily into existing systems. It boasts a mechanical lifespan of 240 operations per hour and handles 120 electrical operations per hour effortlessly, making it suitable for industrial applications that require reliability and longevity.

Revision Part #Also known as
140G-H3F4-C90 Ser A140G-H3F4-C90/A, Series A, Rev A
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