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Allen Bradley 140G MCB 140G-N0K4-E12

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140G-N0K4-E12

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The 140G-N0K4-E12 from Allen-Bradley is a robust molded case circuit breaker designed for demanding applications. With a maximum current handling capability of 1200 Amps and a significant interrupting rating of 100 kA, this unit ensures effective protection against faults.

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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-N0K4-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-N0K4-E12
Weight32.00 lbs (14.51 kg)
FrameN
Amps1200
Interrupting Rating100 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 Allen-Bradley 140G-N0K4-E12 is an advanced molded case circuit breaker suitable for high-capacity electrical systems. This device is rated at 1200 Amps and features a durable N frame construction. It includes an interrupting rating of 100 kA, ensuring reliability in fault conditions.

Protection is managed via an electronic LSIG mechanism, providing significant safety features tailored for industrial applications. The circuit breaker supports four poles and operates effectively within a current range of 1200 A. Its rated insulation voltage of 1000 volts allows it to perform safely in high-voltage scenarios, while the rated impulse withstand voltage reaches up to 8 kV, reflecting its robustness in fluctuating electrical environments.

The weight of the unit is approximately 27.56 pounds, indicating a sturdy design. With a mechanical life rating of 60 operations per hour and an electrical life also rated at 60 operations per hour, the 140G-N0K4-E12 ensures dependable performance over time, making it a critical component in electrical installations that require rigorous safety standards.

Revision Part #Also known as
140G-N0K4-E12 Ser A140G-N0K4-E12/A, Series A, Rev A
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