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Allen Bradley 140G MCB 140G-K6K4-D30

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140G-K6K4-D30

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The Allen-Bradley part number 140G-K6K4-D30 is a molded case circuit breaker designed for robust electrical protection. This device features a size K frame and operates at a rated current of 400 Amps. With an interrupting rating of 65 kA, it effectively manages fault conditions with reliability.

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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-K6K4-D30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K6K4-D30
Weight10.00 lbs (4.54 kg)
FrameK
Amps400
Interrupting Rating65 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-K6K4-D30 circuit breaker by Allen-Bradley, part of the Rockwell Automation series, stands out for its durable design and functionality. Rated for 400 Amps, this molded case circuit breaker has a substantial interrupting capacity of 65 kA, making it suitable for heavy-duty applications.

This device operates using electronic LSIG and MM protection, ensuring reliable circuit safeguarding. Configured with four poles, the 140G-K6K4-D30 provides flexibility for various installation requirements. With 300 A of rated current, it conveys reliable performance under various conditions.

The circuit breaker is designed to deal with rated insulation voltages of up to 1000 Volts, useful in industrial settings. In addition, it can endure impulse withstand voltages of up to 8 kV, providing enhanced protection from voltage spikes.

Weighing 9.15 pounds, the 140G-K6K4-D30 is manageable for installation within electrical systems. Its mechanical life is rated at 120 operations per hour, which highlights its durability in active service, while the electrical life rating of 60 operations per hour further emphasizes its reliability in diverse applications.

Revision Part #Also known as
140G-K6K4-D30 Ser A140G-K6K4-D30/A, Series A, Rev A
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