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Allen Bradley 140G MCB 140G-J0C4-C50

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140G-J0C4-C50

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The 140G-J0C4-C50 is a molded case circuit breaker designed by Allen-Bradley, part of the Rockwell Automation family. With a robust current rating of 250 amps, it features a high interrupting capacity of 100 kA for effective circuit protection.

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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-J0C4-C50

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0C4-C50
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range50 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J0C4-C50 molded case circuit breaker from Allen-Bradley is engineered for reliable performance in electrical distribution and protection. This model is built with a J frame and accommodates a maximum current of 250 amps. Designed for seamless integration, its interrupting capacity reaches an impressive 100 kA, ensuring effective disconnection during fault conditions.

This breaker is equipped with four poles and operates within a specified current range of 50 amps. It utilizes fixed thermal and magnetic trip types to ensure safety and reliability. With a rated insulation voltage of 1000 volts, it is suitable for use in high-voltage applications. The unit is also capable of enduring impulse withstand voltage ratings up to 8 kV, enhancing its operational reliability in dynamic electrical environments.

Weighing in at 7.72 pounds, the 140G-J0C4-C50’s mechanical life allows for 240 operations per hour, while its electrical life is rated at 120 operations per hour, making it a durable choice for various settings. The engineering of this circuit breaker reflects a commitment to safety and efficiency in electrical installations.

Revision Part #Also known as
140G-J0C4-C50 Ser A140G-J0C4-C50/A, Series A, Rev A
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