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Allen Bradley 140G MCB 140G-N0K4-E12-Z1

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140G-N0K4-E12-Z1

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The Allen-Bradley 140G-N0K4-E12-Z1 is a high-capacity molded case circuit breaker designed for robust performance. It supports a maximum current rating of 1200 Amps and features an interrupting capacity measuring 100 kA, allowing for effective fault protection in electrical systems.

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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-Z1

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-N0K4-E12-Z1
Weight32.00 lbs (14.51 kg)
FrameN
Amps1200
Interrupting Rating100 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-N0K4-E12-Z1, produced by Allen-Bradley, exemplifies a molded case circuit breaker that is engineered to accommodate substantial electrical loads. Operating at a peak current of 1200 Amps, this breaker is designed for heavy-duty applications, ensuring dependable protection against short circuits and overloads. The device is configured with four poles, making it suitable for various three-phase systems.

Engineered within a frame of size N, this circuit breaker features electronic LSIG protection, which combines load, short-circuit, and ground fault trip functions for enhanced safety. The rated insulation voltage of 1000 volts ensures compatibility with high-voltage systems, while its rated impulse withstand voltage stands at 8 kV, safeguarding it against potential voltage spikes.

Weighing 27.56 pounds, the 140G-N0K4-E12-Z1 is designed for reliable installation in diverse environments. It maintains a mechanical life rating of 60 operations per hour, which emphasizes its resilience in demanding industrial scenarios. The electrical life, also rated at 60 operations per hour, confirms its suitability for continuous operations, making it a critical component for secure industrial electrical control.

Revision Part #Also known as
140G-N0K4-E12-Z1 Ser A140G-N0K4-E12-Z1/A, Series A, Rev A
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