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Allen Bradley 140G MCB 140G-J2C4-C30

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140G-J2C4-C30

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The 140G-J2C4-C30 from Allen-Bradley is a molded case circuit breaker with a robust design tailored for high-performance applications. This model features a J frame, and it is rated for 30 amps of current and up to 250 amps of maximum current, making it capable of handling substantial electrical loads efficiently.

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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-J2C4-C30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J2C4-C30
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range30 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J2C4-C30 breaker is a molded-case circuit breaker designed by Allen-Bradley and Rockwell Automation. It provides critical protection for electrical systems. It has a size J frame. This circuit breaker is rated for 30 amperes of current and up to 250 amperes of maximum current, and it is well-suited for demanding electrical applications. It integrates both fixed thermal and fixed magnetic protection features to enhance its reliability.

The device is configured with four poles. Its interrupting rating is 25 kA, and it can handle fault conditions effectively, mitigating the risk of system damage. This breaker operates with a rated insulation voltage of 1000 volts, allowing for versatility in various high-voltage environments. In addition, the 140G-J2C4-C30 features a rated impulse withstand voltage of 8 kV, providing added protection against surges.

This unit weighs 7.72 pounds and supports easy integration into various system setups. It is designed for longevity and operational efficiency with a mechanical life rating of 240 operations per hour and an electrical life rating of 120 operations per hour. The 140G-J2C4-C30 breaker is an essential component for safeguarding electrical systems.

Revision Part #Also known as
140G-J2C4-C30 Ser A140G-J2C4-C30/A, Series A, Rev A
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