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Allen Bradley 140G MCB 140G-J2C4-C63
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140G-J2C4-C63

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The 140G-J2C4-C63 is a high-capacity molded case circuit breaker manufactured by Allen-Bradley. Its design allows it to handle a rated current of 63 Amps and a maximum current of 250 Amps. It supports an interrupting capability of 25 kA, making it suitable for various electrical protection applications.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with DO Supply's 2-year warranty.
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Technical specifications for 140G-J2C4-C63

ManufacturerRockwell Automation
BrandAllen-Bradley
Part Number/Catalog No.140G-J2C4-C63
Product TypeMolded Case Circuit Breaker
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range63 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Weight7.72 lb
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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.

The Allen-Bradley 140G-J2C4-C63 circuit breaker is designed for dependable electrical safety in industrial systems. It comes with a robust J-frame and operates at a rated current of 63 Amps and a maximum current of 250 Amps. This breaker provides substantial protection against overloads and short circuits. This device also supports an interrupting rating of 25 kA to ensure rapid disconnection in fault conditions.

This breaker features fixed thermal and fixed magnetic protection technology to effectively safeguard the connected system against various fault types. The circuit breaker is structured with four poles, making it versatile and suitable for a variety of three-phase applications. This breaker model's insulation voltage rating is 1000 volts, allowing it to operate effectively in high-voltage installations. Additionally, it withstands impulse voltages of up to 8 kV for protection against electrical surges.

Weighing 7.72 pounds, this breaker balances sturdiness with ease of installation. It is also designed for longevity with a mechanical life rating of 240 operations per hour and an electrical life rating of 120 operations per hour. Overall, the 140G-J2C4-C63 molded-case circuit breaker is engineered for industrial applications where reliability and safety are significant priorities.

Revision Part #Also known as
140G-J2C4-C63 Ser A140G-J2C4-C63/A, Series A, Rev A
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