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Allen Bradley 140G MCB 140G-KTK4-D40

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140G-KTK4-D40

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The 140G-KTK4-D40 from Allen-Bradley features robust protection capabilities with its electronic LSIG and MM technology. Rated at 400 Amps and housed in a K frame, this molded case circuit breaker is engineered for efficient operation.

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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-KTK4-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-KTK4-D40
Weight15.00 lbs (6.80 kg)
FrameK
Amps400
Interrupting RatingTrip Unit
Protection TypeElectronic LSIG
Poles4
Current Range400 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The Allen-Bradley 140G-KTK4-D40 molded case circuit breaker is a high-capacity device designed for effective circuit protection. Operating at a nominal voltage of 1000 volts, it is classified with a size K frame and handles a strong current rating of 400 Amps. This model uses a trip unit for its interrupting rating, which enables precise management of electrical conditions.

This breaker features four poles and incorporates electronic LSIG and MM protection, offering advanced safeguards for various applications. Its rated impulse withstand voltage of 8 kV ensures resilience against electrical surges, making it suitable for industrial use. The device is designed to be durable, with a mechanical lifespan rated at 120 operations per hour and an electrical lifespan rated at 60 operations per hour. At a weight of 9.15 pounds, the 140G-KTK4-D40 is a reliable option for enhancing electrical protection systems.

Revision Part #Also known as
140G-KTK4-D40 Ser A140G-KTK4-D40/A, Series A, Rev A
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