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Allen Bradley 140G MCB 140G-K0K3-D40

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140G-K0K3-D40

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The 140G-K0K3-D40, a molded case circuit breaker by Allen-Bradley, operates within a robust framework. It is rated for 400 Amps of current and features an impressive interrupting capacity of 100 kA. This device utilizes electronic LSIG protection, ensuring effective circuit management for critical applications.

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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-K0K3-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K0K3-D40
Weight32.00 lbs (14.51 kg)
FrameK
Amps400
Interrupting Rating100 kA
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-K0K3-D40 is a robust molded-case circuit breaker engineered for high-capacity applications. With a frame size classified as size K, this device can handle currents up to 400 Amps. It features an interrupting rating of 100 kA, enabling it to manage electrical faults safely and efficiently.

This breaker employs advanced electronic LSIG protection with an MM option, essential for precise control and safety in various operational conditions. It is rated for an insulation voltage of 1000 volts, allowing it to function reliably in demanding environments. Additionally, it can withstand impulse voltages of up to 8 kV to enhance durability against transient surges.

Weighing 7.17 pounds, the unit is designed to balance strength and ease of installation. The 140G-K0K3-D40 offers a mechanical life rating of 120 operations per hour, which indicates its resilience during continuous use. Furthermore, its electrical life rating of 60 operations per hour makes it reliable during frequent electrical cycling. Overall, the 140G-K0K3-D40 circuit breaker serves as a dependable choice for robust circuit protection in industrial settings.

Revision Part #Also known as
140G-K0K3-D40 Ser A140G-K0K3-D40/A, Series A, Rev A
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