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Allen Bradley 140G MCB 140G-J6C4-C60

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140G-J6C4-C60

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The 140G-J6C4-C60, part of the Allen-Bradley brand from Rockwell Automation, is a molded case circuit breaker designed to provide effective electrical protection. Rated at 250 Amps, it features a 65 kA interrupting capacity and is equipped with fixed thermal and magnetic protections to ensure circuit integrity.

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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-C60

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6C4-C60
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range60 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J6C4-C60 is a rugged molded case circuit breaker from Allen-Bradley, a division of Rockwell Automation. Designed with a J frame, this unit supports a maximum current capacity of 250 Amps. It possesses an interrupting capacity of 65 kA, which makes it suitable for handling significant fault currents.

This circuit breaker utilizes both fixed thermal and magnetic trip options, ensuring reliable protection against overloads and short circuits. The configuration includes four poles, allowing it to function effectively in multi-phase electrical systems.

The 140G-J6C4-C60 is engineered for a current range of 60 A. In terms of voltage capacity, it operates within a rated insulation voltage of 1000 V, which contributes to its adaptability in high-voltage applications. Furthermore, the breaker can endure impulse withstand voltages of up to 8 kV, enhancing its durability against transient disturbances.

With a total weight of 7.72 pounds, this device is convenient for installation and management in various industrial environments. It features a mechanical lifespan rated at 240 operations per hour, indicating its reliability for frequent usage. Notably, the electrical lifespan of this breaker is rated at 120 operations per hour, demonstrating dependable operational endurance for critical application needs.

Revision Part #Also known as
140G-J6C4-C60 Ser A140G-J6C4-C60/A, Series A, Rev A
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