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Allen Bradley 140G MCB 140G-J6C4-C50

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140G-J6C4-C50

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The 140G-J6C4-C50 model from Allen-Bradley is a molded case circuit breaker designed for robust performance. Operating at 250 amps, it maintains a significant interrupting rating of 65 kA, well-suited for demanding electrical systems.

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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-C50

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6C4-C50
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range50 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-J6C4-C50 molded case circuit breaker is designed for effective circuit protection in electrical systems. With a rated operational capacity of 250 amps, this unit supports significant current loads. The interrupting capacity is rated at 65 kA, providing a reliable defense against potential short circuits. This model features four poles, making it versatile for different configurations.

The protection mechanism includes fixed thermal and fixed magnetic trip options, enhancing overall effectiveness during fault conditions. It operates within a current range of 50 A and has a rated insulation voltage of 1000 volts, making it suitable for high-voltage applications. Additionally, the rated impulse withstand voltage is 8 kV, assuring stability against voltage spikes.

With a weight of 7.72 pounds, this circuit breaker is manageable in terms of installation. The mechanical life of the unit is specified for 240 operations per hour, while the electrical life supports up to 120 operations per hour, indicating robustness for continuous operational usage. Overall, the 140G-J6C4-C50 is a dependable component for managing safety and performance in industrial electrical systems.

Revision Part #Also known as
140G-J6C4-C50 Ser A140G-J6C4-C50/A, Series A, Rev A
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