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Allen Bradley 140G MCB 140G-J2F4-D10

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140G-J2F4-D10

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The 140G-J2F4-D10 circuit breaker by Allen-Bradley is a robust molded case circuit breaker designed for meeting high electrical demands. This model operates at 100 amps of rated current and at a maximum current of 250 amps. It features an interrupting capacity of 25 kA, ensuring reliable circuit protection.

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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-J2F4-D10

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J2F4-D10
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range100 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-J2F4-D10 is classified as a molded case circuit breaker that protects industrial electrical circuits. It operates at 100 amps of rated current and 250 amps of maximum current, and it is designed to handle significant electrical loads. The breaker's interrupting rating is 25 kA, which allows it to effectively manage fault conditions and enhance safety in electrical systems.

This device utilizes adjustable thermal and magnetic protection technology, providing flexibility for varying operating conditions. It has four poles that make it suitable for three-phase systems or other configurations requiring multiple connections. The rated insulation voltage of this breaker is 1000 volts, and it can operate in challenging electrical environments. Additionally, it can withstand impulse voltages of 8 kV and handle transient surges effectively.

With a weight of 7.72 pounds, the 140G-J2F4-D10 breaker is a robust device that is compact and easy to install. Its mechanical life is rated at 240 operations per hour for long-lasting functionality, and its electrical life is rated at 120 operations per hour for dependable performance with extended use. Overall, the 140G-J2F4-D10 circuit breaker is a well-rounded solution for applications requiring reliable circuit protection.

Revision Part #Also known as
140G-J2F4-D10 Ser A140G-J2F4-D10/A, Series A, Rev A
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