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Allen Bradley 140G MCB 140G-KTH4-D30

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140G-KTH4-D30

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The 140G-KTH4-D30 is a molded-case circuit breaker from Allen-Bradley, part of Rockwell Automation. Designed for robust performance, it has a current rating of 400 Amps. It features an electronic LSI protection type and is configured with four poles.

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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-KTH4-D30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-KTH4-D30
Weight10.00 lbs (4.54 kg)
FrameK
Amps400
Interrupting RatingTrip Unit
Protection TypeElectronic LSI
Poles4
Current Range300 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-KTH4-D30 molded case circuit breaker exemplifies efficiency in electrical protection. Produced by Allen-Bradley, it belongs to the Rockwell Automation family. This breaker is rated to handle a maximum current of 400 Amps, ensuring effective operation in demanding environments. It features an interrupting rating based on its trip unit, allowing it to respond efficiently to fault conditions.

Equipped with four poles, this circuit breaker utilizes electronic LSI protection, offering advanced features for overload and fault management. It can manage a current range of up to 300 Amps, providing added versatility for various installation needs. The 140G-KTH4-D30 is designed to function efficiently at a rated insulation voltage of 1000 volts, making it suitable for high-voltage applications. Furthermore, it withstands impulse voltages of up to 8 kV, enhancing its capability to operate under transient conditions.

This breaker weighs 9.15 pounds, which makes it manageable for installation and maintenance. Its mechanical life is rated at 120 operations per hour, and its electrical life is 60 operations per hour, ensuring long-lasting reliability in different scenarios. Overall, the 140G-KTH4-D30 is a dependable component for modern electrical systems, providing comprehensive circuit protection.

Revision Part #Also known as
140G-KTH4-D30 Ser A140G-KTH4-D30/A, Series A, Rev A
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