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Allen Bradley 140G MCB 140G-NS6K3-E12

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140G-NS6K3-E12

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The 140G-NS6K3-E12 serves as a molded case circuit breaker engineered for substantial electrical applications. Designed by Allen-Bradley, this model features a robust capacity of 1200 Amps. With an impressive interrupting rating of 65 kA, it ensures effective protection in the event of circuit 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-NS6K3-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-NS6K3-E12
Weight32.00 lbs (14.51 kg)
FrameNS
Amps1200
Interrupting Rating65 kA
Protection TypeElectronic LSIG
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-NS6K3-E12 circuit breaker is meticulously constructed to provide reliable circuit protection for high capacity needs. Operating within a frame designated as NS, this unit accommodates a maximum continuous current of 1200 Amps, making it suitable for large installations. Its interrupting capability reaches 65 kA, offering effective management of potential fault conditions.

This circuit breaker incorporates electronic LSIG protection, enabling precise monitoring of electrical performance metrics to avoid damage from overloads or short circuits. With a rated insulation voltage of 1000 volts, it provides reliable support in demanding conditions, while the capacity to withstand impulse voltages up to 8 kV adds a layer of safety during transient events.

Weighing 27.56 pounds, the 140G-NS6K3-E12 is manageable in various installation scenarios. Its mechanical and electrical life ratings both stand at 60 operations per hour, ensuring that the breaker functions efficiently over prolonged use. The 140G-NS6K3-E12 is a crucial component for maintaining system integrity in complex electrical environments.

Revision Part #Also known as
140G-NS6K3-E12 Ser A140G-NS6K3-E12/A, Series A, Rev A
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