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Allen Bradley 140G MCB 140G-K6I3-D40

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140G-K6I3-D40

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The 140G-K6I3-D40 is an Allen-Bradley molded case circuit breaker designed for robust performance in demanding applications. Rated for up to 400 amps of current, it can handle high fault currents with an interrupting capacity of 65 kA. This breaker model incorporates electronic LSIG protection, enhancing its resistance to overload and short-circuit conditions.

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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-K6I3-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K6I3-D40
UPC887172307300
Weight20.00 lbs (9.07 kg)
FrameK
Amps400
Interrupting Rating65 kA
Protection TypeElectronic LSIG
Current Range400 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The Allen-Bradley 140G-K6I3-D40 is a reliable molded-case circuit breaker designed for critical electrical applications. It operates at a maximum current of 400 Amps and has an interrupting rating of 65 kA, effectively protecting circuits from potentially damaging fault conditions. The breaker’s K frame supports considerable load management, ensuring stable performance under high current demands.

This circuit breaker features advanced electronic LSIG protection, which provides a sophisticated solution to overcurrent situations. Moreover, it is rated for insulation voltages of 1000 V, allowing it to perform in complex electrical environments without compromising safety. The 140G-K6I3-D40 also withstands impulse voltages up to 8 kV, which is crucial for minimizing damage during transient voltage events.

Weighing 7.17 pounds, this breaker is compact enough for various installation environments. It is designed with a mechanical rating of 120 operations per hour and an electrical life rating of 60 operations per hour. This makes the 140G-K6I3-D40 suitable for use in long-term, high-usage scenarios.

Revision Part #Also known as
140G-K6I3-D40 Ser A140G-K6I3-D40/A, Series A, Rev A
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