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Allen Bradley 140G MCB 140G-J6X4

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140G-J6X4

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The 140G-J6X4 is a robust molded case circuit breaker from Allen-Bradley under the Rockwell Automation brand. It features a maximum rating of 250 Amps and an interrupting capability of 65 kA, which enhances its suitability for various demanding 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-J6X4

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6X4
Weight12.00 lbs (5.44 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeBreaker Frame
Poles4
Current RangeFrame Only
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-J6X4, categorized as a molded case circuit breaker, is engineered for resilient performance in electrical systems. This circuit breaker operates with a maximum amperage of 250 Amps, making it suitable for substantial load demands. Featuring an interrupting rating of 65 kA, it effectively protects against fault conditions, reducing the risk of damage to electrical components.

Designed with a J-frame configuration, this device supports a four-pole setup, providing flexibility for various applications. The device does not specify a particular current range and is inherently robust, catering to a wide range of installation configurations under general use. It has a rated insulation voltage of 1000 volts, ensuring safe operation even in high-voltage scenarios. Furthermore, it can withstand impulse withstand voltages of 8 kV, reinforcing its durability in fluctuating environments.

Weighing 7.72 pounds, the 140G-J6X4 is designed with ease of installation in mind. It demonstrates a mechanical lifespan of 240 operations per hour, ensuring reliability over time. The electrical life of this breaker is rated for 120 operations per hour, signifying its capability to endure demanding conditions. Overall, the Allen-Bradley 140G-J6X4 is a dependable choice for effective circuit protection in diverse industrial settings.

Revision Part #Also known as
140G-J6X4 Ser A140G-J6X4/A, Series A, Rev A
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