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Allen Bradley 140G MCB 140G-J0C4-C63

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140G-J0C4-C63

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The 140G-J0C4-C63 circuit breaker by Allen-Bradley is designed to ensure reliable performance in electrical systems. With a rating of 250 Amps, this molded case circuit breaker can handle significant loads and features a robust interrupting capacity of 100 kA.

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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-C63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0C4-C63
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range63 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-J0C4-C63 represents a molded case circuit breaker engineered for substantial load protection. This device operates at a maximum of 250 Amps and is housed in a J frame configuration. Its interrupting rating reaches 100 kA, providing a secure safeguard against electrical faults and overloads.

With four poles, this breaker is appropriate for multi-phase applications. It employs fixed thermal and magnetic protections, ensuring reliable operation under different electrical conditions. The current range supported by the 140G-J0C4-C63 is specified at 63 A, which gives flexibility in protecting diverse electrical circuits.

The rated insulation voltage is set at 1000 volts, enhancing its compatibility with high voltage systems. Additionally, this unit can endure rated impulse withstand voltages up to 8 kV, which reinforces its resilience against transient surges. Weighing in at 7.72 pounds, it is practical for installation in control systems.

Engineered for endurance, the circuit breaker boasts a mechanical life rating of 240 operations per hour along with an electrical life rating of 120 operations per hour, ensuring prolonged functionality in demanding applications.

Revision Part #Also known as
140G-J0C4-C63 Ser A140G-J0C4-C63/A, Series A, Rev A
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