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Allen Bradley 140G MCB 140G-J2H4-C40

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140G-J2H4-C40

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The 140G-J2H4-C40 is a molded case circuit breaker from Allen-Bradley that is designed to provide reliable electrical protection. It handles 40 Amps of rated current and a maximum current of 250 Amps. It also has an interrupting capacity of 25 kA, ensuring efficient operation in various demanding environments.

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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-J2H4-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J2H4-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeElectronic LSI
Poles4
Current Range40 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-J2H4-C40 is a molded-case circuit breaker designed for robust electrical applications. Its rated current is 40 Amps, and its maximum current is 250 Amps, which makes it suitable for a range of industrial uses. With an interrupting rating of 25 kA, it effectively manages fault conditions and maintains safety during unexpected surges.

This breaker model features four poles, offering flexibility in various applications. It employs an advanced electronic LSI protection feature, which contributes to its reliability and efficiency in day-to-day operations.

The breaker's rated insulation voltage is 1000 volts, and its impulse withstand voltage is 8 kV. This combination ensures robust performance even in high-voltage environments. At 7.72 pounds, the breaker's compact structure simplifies installation and integration into existing electrical systems.

The 140G-J2H4-C40 is built for longevity. Its mechanical life rating is 240 operations per hour, providing durable functionality. Moreover, its electrical life rating is 120 operations per hour, ensuring dependable performance throughout its lifecycle. This circuit breaker is a reliable choice for applications requiring consistent protection and control.

Revision Part #Also known as
140G-J2H4-C40 Ser A140G-J2H4-C40/A, Series A, Rev A
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