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Allen Bradley 140G MCB 140G-J6C4-C63

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140G-J6C4-C63

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The 140G-J6C4-C63 is a molded case circuit breaker from Allen-Bradley, integral to the Rockwell Automation series. Designed to handle a maximum of 250 amps, it features a 65 kA interrupting rating. The unit is constructed with a J-frame and accommodates four poles for versatile applications.

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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-J6C4-C63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6C4-C63
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range63 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-J6C4-C63 molded case circuit breaker is engineered for reliable electrical protection. It is classified under the J frame type, allowing it to manage a maximum current rating of 250 amps. Coupled with an interrupting capacity of 65 kA, this breaker is effective in handling significant fault currents.

This specific model supports four poles and offers a current range of 63 A, providing utility across various applications. It utilizes fixed thermal and magnetic protection mechanisms, designed for prompt disconnection in case of overloads or short circuits. In terms of voltage capabilities, the breaker is rated for insulation of up to 1000 volts and can withstand impulse voltages up to 8 kV, which is essential for safeguarding circuits against unexpected surges.

The 140G-J6C4-C63 weighs 7.72 pounds, ensuring a manageable installation process. With a mechanical lifespan rated at 240 operations per hour and an electrical lifespan reaching 120 operations per hour, this circuit breaker stands as a considerable asset for continued reliable service in demanding environments.

Revision Part #Also known as
140G-J6C4-C63 Ser A140G-J6C4-C63/A, Series A, Rev A
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