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Allen Bradley 140G MCB 140G-NS6K4-E12

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140G-NS6K4-E12

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The 140G-NS6K4-E12 is a molded case circuit breaker from Allen-Bradley, specifically designed to manage high-power applications. This device has a robust capacity for up to 1200 amps with an interrupting rating of 65 kA, ensuring effective protection in critical situations.

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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-NS6K4-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-NS6K4-E12
Weight32.00 lbs (14.51 kg)
FrameNS
Amps1200
Interrupting Rating65 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 Allen-Bradley 140G-NS6K4-E12 serves as a molded case circuit breaker, ideal for safeguarding electrical systems in industrial settings. Designed to accommodate a maximum current of 1200 Amps, it is equipped to manage significant load demands effectively. The product features a 65 kA interrupting rating, providing a crucial safeguard against faults.

With an NS frame classification, this device incorporates four poles, making it suitable for various multi-phase configurations. Its electronic LSIG protection type enhances its capability to detect and respond to overload and fault conditions accurately. Operating at a rated insulation voltage of 1000 Volts, this unit also offers resilience against transient spikes with a rated impulse withstand voltage of 8 kV.

Weighing in at 27.56 pounds, the 140G-NS6K4-E12 is constructed to endure frequent use. The circuit breaker has a mechanical life rated at 60 operations per hour and an equal electrical lifespan of 60 operations per hour, confirming its reliability in ongoing operations. This combination of features makes the 140G-NS6K4-E12 an essential component for maintaining operational integrity in high-demand scenarios.

Revision Part #Also known as
140G-NS6K4-E12 Ser A140G-NS6K4-E12/A, Series A, Rev A
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