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Allen Bradley 140G MCB 140G-K0K4-D30

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140G-K0K4-D30

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The 140G-K0K4-D30 is a molded case circuit breaker from Allen-Bradley, manufactured by Rockwell Automation. This unit is rated for up to 400 Amps of current and has a substantial interrupting capacity of 100 kA. It features electronic LSIG protection across four poles and is designed to handle a rated current of 300 A.

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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-K0K4-D30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K0K4-D30
Weight10.00 lbs (4.54 kg)
FrameK
Amps400
Interrupting Rating100 kA
Protection TypeElectronic LSIG
Poles4
Current Range300 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-K0K4-D30 is a molded-case circuit breaker critical to safeguarding electrical systems. This breaker operates within a K frame, accommodating a maximum current rating of 400 Amps. Designed with a high interrupting rating of 100 kA, it provides significant protection against short circuits and overloads.

Utilizing electronic LSIG protection with an MM option, the unit features four poles, which enhances its application versatility. The designated current rating of this breaker is 300 A, and it is equipped to manage voltages up to 1000 volts. The device can also sustain impulse voltages of 8 kV, ensuring its resilience against electrical surges and spikes.

At 9.15 pounds, this molded-case circuit breaker is compact yet robust enough for industrial use. The mechanical life is rated at 120 operations per hour, while the unit's electrical life is rated at 60 operations per hour, indicating its capacity for reliable performance under continuous operation conditions. Overall, the 140G-K0K4-D30 is engineered for efficiency and longevity in demanding electrical environments.

Revision Part #Also known as
140G-K0K4-D30 Ser A140G-K0K4-D30/A, Series A, Rev A
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