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Allen Bradley 140G MCB 140G-H3F4-D16

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140G-H3F4-D16

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The 140G-H3F4-D16 molded case circuit breaker is part of the Allen-Bradley series manufactured by Rockwell Automation. This breaker operates at 125 Amps and is equipped to interrupt currents up to 35 kA. Three main features include adjustable thermal and magnetic protection, along with a four-pole configuration.

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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-D16

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3F4-D16
Weight3.00 lbs (1.36 kg)
FrameH
Amps125
Interrupting Rating35 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range160 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-D16 from Allen-Bradley is a molded case circuit breaker designed for optimal performance in various applications. Rated for 125 Amps, this unit is categorized under the H frame size and features a current interrupting capacity of 35 kA. The protection mechanism is adjustable for both thermal and magnetic applications, which increases its adaptability in diverse environments.

This breaker has four poles, allowing it to effectively manage multiple circuits simultaneously. It accommodates a current range up to 160 A, catering to various operational demands. With a rated insulation voltage set at 1000 V, the 140G-H3F4-D16 ensures secure operation in conditions where high voltage is a factor. Moreover, it can endure impulse withstand voltages of up to 8 kV, proving its robustness in protecting connected equipment from voltage spikes.

Weighing approximately 3.53 pounds, the circuit breaker is designed to be lightweight yet durable. In terms of longevity, it supports a mechanical life rating of 240 operations per hour, while its electrical life is rated for 120 operations per hour, making it a reliable choice for continuous service in various industrial applications.

Revision Part #Also known as
140G-H3F4-D16 Ser A140G-H3F4-D16/A, Series A, Rev A
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