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Allen Bradley 140G MCB 140G-N6H3-E12

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140G-N6H3-E12

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The 140G-N6H3-E12 is a robust molded case circuit breaker designed by Allen-Bradley, suitable for high-load applications. With a maximum current capacity of 1200 Amps and an interrupting rating of 60 kA, it is equipped to handle various electrical demands efficiently.

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2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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-N6H3-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-N6H3-E12
Weight29.81 lbs (13.52 kg)
FrameN
Amps1200
Interrupting Rating60 kA
Protection TypeElectronic LSI
Current Range1200 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life60 Operations/hr.
Electrical Life60 Operations/hr.
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Within the Allen-Bradley 140G series, the part number 140G-N6H3-E12 molded case circuit breaker serves as a crucial component for electrical safety. This unit is built to manage up to 1200 Amps, making it highly suitable for heavy-duty applications. The circuit breaker has a frame designation of N, signifying its compatibility with various installations. It features an interrupting rating of 60 kA, ensuring effective operation during fault conditions.

This model utilizes electronic LSI technology for protection, which enhances its reliability and responsiveness in the event of a fault. It is rated for 1000 V insulation, enabling it to handle high voltage situations safely, and it is capable of sustaining impulse withstand voltages of 8 kV. With a weight of 21.39 pounds, installation is manageable while maintaining overall durability.

Designed for longevity, the unit boasts a mechanical life of 60 operations per hour along with an identical estimate for electrical life. This is essential for maintaining continuous operation without frequent replacements in demanding environments. The 140G-N6H3-E12 represents a dependable solution for ensuring circuit protection across various industrial applications.

Revision Part #Also known as
140G-N6H3-E12 Ser A140G-N6H3-E12/A, Series A, Rev A
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