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Allen Bradley 140G MCB 140G-K15K4-D40

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140G-K15K4-D40

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The 140G-K15K4-D40 is a high-capacity molded case circuit breaker designed by Allen-Bradley, a brand under Rockwell Automation. This model operates at a maximum current of 400 Amps and features an impressive interrupting rating of 150 kA, suitable for demanding electrical applications.

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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-K15K4-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K15K4-D40
Weight10.00 lbs (4.54 kg)
FrameK
Amps400
Interrupting Rating150 kA
Protection TypeElectronic LSIG
Poles4
Current Range400 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The Allen-Bradley 140G-K15K4-D40 molded case circuit breaker is engineered for high-performance circuit protection. It supports a solid 400 Amp current rating, making it suitable for extensive electrical loads. With a substantial interrupting capacity of 150 kA, this breaker is designed to handle significant fault conditions effectively.

The four-pole configuration allows for versatile applications, and it operates using electronic LSIG and MM protection features, which provide advanced trip settings to enhance safety and reliability. Its rated insulation voltage reaches 1000 volts, allowing it to be used in various high-voltage environments. Additionally, the 140G-K15K4-D40 is capable of withstanding impulse voltages up to 8 kV, offering resilience against electrical surges and spikes.

Constructed with a weight of 9.15 pounds, the breaker is robust yet manageable for installation. It has a mechanical life rated at 120 operations per hour and an electrical life rated at 60 operations per hour, indicating reliable long-term performance in operational settings. This circuit breaker serves as a dependable solution for continuous circuit protection in industrial applications.

Revision Part #Also known as
140G-K15K4-D40 Ser A140G-K15K4-D40/A, Series A, Rev A
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