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Allen Bradley 140G MCB 140G-KTI4-D30

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140G-KTI4-D30

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The 140G-KTI4-D30 is a robust molded case circuit breaker designed for industrial applications. With a frame size classified as size K, it supports a maximum current rating of 400 Amps and operates within a current range of 300 A. This device incorporates electronic LSIG protection, enhancing its capability to manage circuit overloads and faults effectively.

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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-KTI4-D30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-KTI4-D30
Weight10.00 lbs (4.54 kg)
FrameK
Amps400
Interrupting RatingTrip Unit
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 Allen-Bradley and Rockwell Automation 140G-KTI4-D30 molded-case circuit breaker integrates advanced features to ensure electrical safety and efficiency. This unit is rated at 400 Amps of maximum current and contains four separate poles for effective circuit management. It operates within a specified current range of 300 Amps, making it versatile for various applications.

The circuit breaker is built with an electronic LSIG (Long, Short, Instantaneous, and Ground Fault) protection mechanism, which provides comprehensive safety against overloads and short circuits. This capability helps mitigate risks within electrical installations, thus enhancing overall system reliability. Additionally, the device's rated insulation voltage reaches 1000 volts, suitable for high voltage environments, while its impulse withstand voltage is rated at 8 kV for transient voltage scenarios.

Weighing 9.15 pounds, the 140G-KTI4-D30 is designed to fit efficiently in standard installations. Its mechanical life is rated for 120 operations per hour, ensuring it can handle rigorous applications. Its electrical life, meanwhile, is rated at 60 operations per hour, confirming its suitability for dependable performance in demanding conditions. The 140G-KTI4-D30 is a vital component for protecting circuits and equipment in industrial settings.

Revision Part #Also known as
140G-KTI4-D30 Ser A140G-KTI4-D30/A, Series A, Rev A
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