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Allen Bradley 140G MCB 140G-K15X3

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140G-K15X3

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The 140G-K15X3 is a molded case circuit breaker from Allen-Bradley, specifically designed for demanding applications. It operates at 400 Amps of maximum current and offers an impressive interrupting rating of 150 kA. This device is built with a K frame type and is capable of handling significant electrical loads.

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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-K15X3

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K15X3
Weight20.00 lbs (9.07 kg)
FrameK
Amps400
Interrupting Rating150 kA
Protection TypeBreaker Frame
Current RangeFrame Only
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-K15X3 from Allen-Bradley is a robust molded-case circuit breaker designed for high-performance electrical systems. With a maximum current of 400 Amps, this device is particularly suited for industrial applications where reliability is crucial. It is classified under the K frame size, and its type K frame provides added structural integrity.

One of the standout features of this breaker is its exceptional interrupting capacity of 150 kA, ensuring it can swiftly handle fault conditions without compromising safety. Rated for an insulation voltage of 1000 volts, this model is well-equipped for high-voltage operations, while its withstand capability for impulse voltage is rated at 8 kV, making it resilient against transient spikes.

Weighing 7.17 pounds, the 140G-K15X3 offers manageable installation options while maintaining durable performance. The breaker's rated mechanical life is an impressive 120 operations per hour, contributing to long-term reliability in various applications. Its rated electrical life is 60 operations per hour. The design focuses on safety and effectiveness in circuit protection, making it a vital component for comprehensive electrical solutions.

Revision Part #Also known as
140G-K15X3 Ser A140G-K15X3/A, Series A, Rev A
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