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Allen Bradley 140G MCB 140G-NS0K4-E12

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140G-NS0K4-E12

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The 140G-NS0K4-E12 from Allen-Bradley is a high-capacity molded case circuit breaker optimized for demanding electrical applications. With a robust current rating of 1200 Amps and a competitive interrupting capacity of 100 kA, this unit effectively safeguards connected systems against overloads and short circuits.

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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-NS0K4-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-NS0K4-E12
Weight32.00 lbs (14.51 kg)
FrameNS
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-NS0K4-E12 is designed as a high-performance molded case circuit breaker by Allen-Bradley under the Rockwell Automation brand. It can handle substantial electrical loads with a maximum current capacity of 1200 amps. The device boasts an interrupting rating of 100 kA, ensuring reliable protection during fault conditions.

Engineered for versatility, this circuit breaker features an electronic LSIG protection mechanism suitable for various applications. It configures as a four-pole device, making it apt for multi-phase installations. Rated for an insulation voltage of 1000 volts, the unit provides additional safety in high-voltage settings. The ability to withstand impulse voltages of up to 8 kV enhances its operational reliability against transients.

With a weight of 27.56 pounds, the 140G-NS0K4-E12 offers substantial build quality suitable for rigorous applications. The unit's mechanical life is rated at 60 operations per hour, while the electrical life also stands at 60 operations per hour, ensuring it can sustain regular use in demanding environments without compromising performance. Overall, this circuit breaker serves as an essential component to enhance operational safety and reliability in various industrial setups.

Revision Part #Also known as
140G-NS0K4-E12 Ser A140G-NS0K4-E12/A, Series A, Rev A
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