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Allen Bradley 140G MCB 140G-KTK3-D40

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140G-KTK3-D40

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The 140G-KTK3-D40 is a molded case circuit breaker designed by Allen-Bradley for effective electrical system management. It has a 400 Amp current capacity, an integrated electronic LSIG and MM protection system, and is rated for 1000V of insulation voltage.

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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-KTK3-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-KTK3-D40
Weight12.00 lbs (5.44 kg)
FrameK
Amps400
Interrupting RatingTrip Unit
Protection TypeElectronic LSIG
Current Range400 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The Allen-Bradley 140G-KTK3-D40 is a molded case circuit breaker, which operates within electrical systems that demand robust protection. Designed under the Rockwell Automation brand, this unit supports a maximum current capacity of 400 Amps. It features an advanced electronic LSIG and MM protection mechanism, which allows it to detect and respond to overcurrents and faults.

This breaker's insulation voltage rating is 1000V, making it suitable for high-voltage applications. It also handles impulse withstand voltages of 8 kV, offering an additional layer of security against voltage surges.

Constructed with a K frame, the 140G-KTK3-D40 weighs 7.17 pounds, balancing durability with manageability for easy installation. The unit is designed for longevity in operation; it boasts a mechanical lifespan of 120 operations per hour and an electrical lifespan of 60 operations per hour. This combination of features positions the 140G-KTK3-D40 as a dependable component in various industrial setups.

Revision Part #Also known as
140G-KTK3-D40 Ser A140G-KTK3-D40/A, Series A, Rev A
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