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Allen Bradley 140G MCB 140G-N6I4-E12-Z1

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140G-N6I4-E12-Z1

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The 140G-N6I4-E12-Z1 from Allen-Bradley is a robust molded case circuit breaker designed for high-amperage applications. This unit has a rated capacity of 1200 Amps and features a strong interrupting capability of 60 kA, ensuring effective 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-N6I4-E12-Z1

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-N6I4-E12-Z1
Weight32.00 lbs (14.51 kg)
FrameN
Amps1200
Interrupting Rating60 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-N6I4-E12-Z1 is a high-performance molded case circuit breaker suitable for managing extensive electrical loads. This model is configured with an N frame, accommodating a maximum current rating of 1200 Amps. Its interrupting capacity of 60 kA makes it capable of handling significant fault currents while protecting connected circuits.

Offering a four-pole design, the 140G-N6I4-E12-Z1 utilizes electronic LSIG protection for enhanced operational safety and reliability. This technology primarily safeguards against overcurrent conditions, optimizing circuit management.

The unit supports a rated insulation voltage of 1000 volts and withstands impulse voltages of up to 8 kV, ensuring resilience in various electrical environments. Weighing 27.56 pounds, the breaker is robust enough for the demanding conditions often found in industrial applications.

It has a mechanical life rated at 60 operations per hour, matching its electrical life rating. This ensures it operates dependably over time, effectively providing protection and stability for electrical systems.

Revision Part #Also known as
140G-N6I4-E12-Z1 Ser A140G-N6I4-E12-Z1/A, Series A, Rev A
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