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Allen Bradley 140G MCB 140G-N6I4-E12

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140G-N6I4-E12

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The 140G-N6I4-E12 circuit breaker by Allen-Bradley is a robust molded case device designed for high performance and safety. It has an ampacity of 1200 Amps, along with an interrupting capacity rated at 60 kA, making it suitable for demanding applications.

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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-N6I4-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-N6I4-E12
Weight32.00 lbs (14.51 kg)
FrameN
Amps1200
Interrupting Rating60 kA
Protection TypeElectronic LSIG
Poles4
Current Range1200 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life60 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-N6I4-E12 molded case circuit breaker from Allen-Bradley, part of Rockwell Automation's offerings, is engineered for high-load applications. It features an impressive capacity of 1200 Amps, suited for demanding electrical environments. The device is built within an N frame structure, designed for four poles to enhance its capacity for circuit management.

The circuit breaker incorporates electronic LSIG protection, delivering enhanced safety during operational fluctuations and overload scenarios. Its interrupting rating stands at 60 kA, providing the necessary implementation of power protection measures against circuit faults. The rated insulation voltage can reach 1000 volts—ideal for environments exposed to high voltages. Furthermore, the rated impulse withstand voltage of 8 kV equips it to manage transient surges effectively.

Weighing 27.56 pounds, the 140G-N6I4-E12 is a manageable component for industrial settings. It achieves a mechanical life rating of 60 operations per hour alongside a matching electrical life rating, ensuring reliable performance over prolonged use. This combination of specifications makes the 140G-N6I4-E12 a critical asset for high-demand electrical systems.

Revision Part #Also known as
140G-N6I4-E12 Ser A140G-N6I4-E12/A, Series A, Rev A
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