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Allen Bradley 140G MCB 140G-N6K4-E12

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140G-N6K4-E12

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The 140G-N6K4-E12 manufactured by Allen-Bradley is a high-capacity molded case circuit breaker designed for reliable performance. It operates at a maximum current rating of up to 1200 Amps and features a substantial interrupting capacity of 60 kA. This device incorporates electronic LSIG protection and includes four poles for effective circuit management.

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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-N6K4-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-N6K4-E12
Weight32.00 lbs (14.51 kg)
FrameN
Amps1200
Interrupting Rating60 kA
Protection TypeElectronic LSIG
Poles4
Current Range1200 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life60 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-N6K4-E12 from Allen-Bradley is classified as a molded case circuit breaker, tailor-made for high-demand electrical systems. It’s built to manage significant loads with an impressive maximum current rating of 1200 Amps. Designed with an interrupting rating of 60 kA, this unit effectively protects connected circuits from overloads and short circuits. The electronic LSIG type of protection further enhances its operational reliability.

This circuit breaker features an N frame size, accommodating the robust construction required for heavy-duty applications. It also includes four poles to manage multiple circuits efficiently. With a rated insulation voltage of 1000 volts, it can be installed in high-voltage environments. Its design also withstands impulse voltages up to 8 kV, essential for safeguarding against transient voltage spikes.

Weighing 27.56 pounds, the 140G-N6K4-E12 is built for both durability and reliability. This unit operates efficiently with a mechanical life rating of 60 operations per hour, matching the same rating for its electrical life, ensuring that it can handle routine operational stresses effectively in a variety of industrial settings.

Revision Part #Also known as
140G-N6K4-E12 Ser A140G-N6K4-E12/A, Series A, Rev A
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