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Allen Bradley 140G MCB 140G-K0I4-D40

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140G-K0I4-D40

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The 140G-K0I4-D40 from Allen-Bradley is a molded case circuit breaker designed for robust electrical applications. This device operates at 400 amps and features an interrupting rating of 100 kA, providing essential protection against current overload.

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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-K0I4-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K0I4-D40
Weight10.00 lbs (4.54 kg)
FrameK
Amps400
Interrupting Rating100 kA
Protection TypeElectronic LSIG
Poles4
Current Range400 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-K0I4-D40 model from Allen-Bradley, part of Rockwell Automation, functions as an effective molded case circuit breaker. Built for high-performance applications, it boasts a maximum operational current capacity of 400 Amps. This breaker is engineered with an impressive 100 kA interrupting rating, making it highly efficient in protecting against dangerous fault conditions.

This circuit breaker, featuring four poles, is suitable for multiple-phase applications. The protection mechanism used is electronic LSIG, which enhances its response to electrical anomalies. It operates within a rated insulation voltage of 1000 volts, ensuring compatibility in various installation environments. With the ability to withstand impulse voltages of up to 8 kV, the breaker is built for reliability and safety.

The unit has a weight of 9.15 pounds, making it a manageable choice for installation. Performance-wise, the 140G-K0I4-D40 has a mechanical life rated at 120 operations per hour and an electrical life rated at 60 operations per hour. This design ensures that the breaker can sustain long-term use in demanding applications, contributing to enhanced system protection.

Revision Part #Also known as
140G-K0I4-D40 Ser A140G-K0I4-D40/A, Series A, Rev A
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