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Allen Bradley 140G MCB 140G-NS6I4-E12

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140G-NS6I4-E12

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With a robust design, the 140G-NS6I4-E12 from Allen-Bradley is a molded case circuit breaker suited for high-performance applications. This device supports a maximum current of 1200 Amps and has an interrupting capacity of 65 kA, ensuring reliable circuit protection.

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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-NS6I4-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-NS6I4-E12
Weight32.00 lbs (14.51 kg)
FrameNS
Amps1200
Interrupting Rating65 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 140G-NS6I4-E12 molded case circuit breaker is manufactured by Allen-Bradley and part of the Rockwell Automation product line. It is designed to handle significant electrical loads, boasting a maximum current rating of 1200 Amps. This circuit breaker employs electronic LSIG protection to enhance its functionality and safety. Its interrupting rating is rated at 65 kA, which provides a high level of protection against faults.

This model features an NS frame type and is constructed with four poles to accommodate diverse electrical configurations. It has a current range set explicitly at 1200 A, ideal for demanding industrial applications. The unit is rated for insulation voltages of 1000 volts, ensuring compatibility with high-voltage systems. It can also withstand impulse voltages of up to 8 kV, which adds an additional layer of safety against electrical surges.

Weighing 27.56 pounds, this circuit breaker is designed for efficiency and straightforward mounting. Its mechanical life is estimated at 60 operations per hour, equating to robust credentials for frequent usage scenarios, while its electrical life also measures 60 operations per hour. The 140G-NS6I4-E12 model stands out for its durability, making it an essential component for reliable electrical system management.

Revision Part #Also known as
140G-NS6I4-E12 Ser A140G-NS6I4-E12/A, Series A, Rev A
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