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Allen Bradley 140G MCB 140G-J6I4-C60

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140G-J6I4-C60

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The 140G-J6I4-C60 circuit breaker from Allen-Bradley is a molded case type designed for efficient protection in electrical systems. It has a 250 Amp capacity and an interrupting rating of 65 kA, making it suitable for various high-load 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-J6I4-C60

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6I4-C60
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeElectronic LSIG
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-J6I4-C60 is part of Allen-Bradley's molded case circuit breakers produced under Rockwell Automation. This device accommodates a maximum current rating of 250 Amps. It serves crucial protection for electrical systems with a notable interrupting capacity of 65 kA.

Designed with four poles, this unit operates with an electronic LSIG protection system, ensuring reliable circuit operation during overload and short-circuit conditions. The current range peaks at 60 A, providing versatility for various applications. Additionally, the breaker is rated for insulation voltages reaching 1000V, which supports its use in high-voltage environments.

The device can manage impulse withstand voltages up to 8 kV, adding an extra layer of durability under transient conditions. Weighing in at 7.72 pounds, it’s manageable for installation. The mechanical life is specified at 240 operations per hour, while the electrical life stands at 120 operations per hour, indicating reliability for frequent use in industrial settings. Overall, the 140G-J6I4-C60 circuit breaker delivers essential protection features in a compact design.

Revision Part #Also known as
140G-J6I4-C60 Ser A140G-J6I4-C60/A, Series A, Rev A
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