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Allen Bradley 140G MCB 140G-J0C3-C63

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140G-J0C3-C63

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The 140G-J0C3-C63 is a molded case circuit breaker from Allen-Bradley, designed for robust protection in electrical systems. This device supports a current rating of 250 Amps and features an interrupting capacity of 100 kA, ensuring that it can handle significant fault currents.

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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-J0C3-C63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0C3-C63
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range63 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J0C3-C63 from Allen-Bradley is a high-capacity molded case circuit breaker, specifically engineered to enhance safety in electrical applications. Offering a marked capacity of 250 Amps, it excels in environments where handling heavy loads is essential. The breaker features a substantial interrupting rating of 100 kA, allowing it to effectively manage short circuit conditions.

Designed with a J-frame structure, the unit can accommodate loads within a current range of 63 Amps. It is rated for insulation voltage at 1000V. This ensures that it can function in high-voltage environments without risking failure of operation. Additionally, it can withstand impulse voltages of as much as 8 kV, enhancing its reliability against surges.

At a weight of 5.51 pounds, this circuit breaker also brings ease of installation and maintenance. It is capable of 240 mechanical operations per hour, indicating its suitability for demanding environments. It features a slightly lower electrical life at 120 operations per hour, emphasizing its durability during regular use. Fitted with both fixed thermal and magnetic protection, the 140G-J0C3-C63 delivers efficient safety and functionality in protecting various electrical circuits.

Revision Part #Also known as
140G-J0C3-C63 Ser A140G-J0C3-C63/A, Series A, Rev A
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