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Allen Bradley 140G MCB 40G-K15I3-D30

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40G-K15I3-D30

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The 40G-K15I3-D30 is a molded case circuit breaker from Allen-Bradley. It is rated for 400 Amps and designed with a K frame for effective circuit protection. This breaker features an impressive 150 kA interrupting rating and utilizes electronic LSIG protection for enhanced functionality.

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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 40G-K15I3-D30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number40G-K15I3-D30
Weight5.00 lbs (2.27 kg)
FrameK
Amps400
Interrupting Rating150 kA
Protection TypeElectronic LSIG
Current Range30 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 40G-K15I3-D30 molded case circuit breaker from Allen-Bradley, part of the Rockwell Automation portfolio, is engineered for robust performance. With a maximum capacity of 400 Amps, this device is particularly suitable for high-load environments. It features a K frame design and has a significant interrupting rating of 150 kA, ensuring effective circuit disconnection during fault conditions.

This unit is equipped with electronic LSIG protection, which provides improved monitoring of faults and ensures reliable operation. Operating within a current range of 30 A, the breaker can support substantial electrical demands while maintaining safety. Its rated insulation voltage is 1000 V, making the 40G-K15I3-D30 ideal for industrial applications needing elevated voltage.

In addition, it can withstand impulse voltages of up to 8 kV, protecting against transient spikes that could damage components. Weighing in at 7.17 pounds, the breaker’s compact design facilitates easy installation. The unit displays impressive durability with a mechanical life expectancy of 120 operations per hour, alongside an electrical life rating of 60 operations per hour, making it suitable for continuous operation in various demanding applications.