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Allen Bradley 140G MCB 140G-J3F3-D25

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140G-J3F3-D25

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The model 140G-J3F3-D25 by Allen-Bradley is a molded case circuit breaker designed for robust circuit protection. It operates at 250 Amps, with an interrupting capacity of 35 kA, ensuring efficient handling of fault conditions.

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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-J3F3-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3F3-D25
UPC885630568713
Weight4.38 lbs (1.98 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Current Range250 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J3F3-D25 circuit breaker is a critical component within the Allen-Bradley range, manufactured by Rockwell Automation. This molded case circuit breaker is engineered with a J frame type to accommodate a maximum current rating of 250 Amps. It is equipped with a significant interrupting rating of 35 kA, making it suitable for addressing high fault current events effectively.

Featuring adjustable thermal and magnetic protection, the 140G-J3F3-D25 provides flexibility in settings to meet specific application requirements. It is rated for a maximum insulation voltage of 1000 volts, which allows it to operate safely in high-voltage systems. In addition, the unit can manage impulse voltages up to 8 kV, enhancing its robustness in challenging electrical environments.

With a total weight of 5.51 pounds, this circuit breaker is designed for easy installation and maintenance. Its operational life includes a mechanical longevity of 240 operations per hour and an electrical lifespan of 120 operations per hour, which reflects its durability in repetitive use. The 140G-J3F3-D25 circuit breaker is an essential solution for reliable and effective circuit protection.

Revision Part #Also known as
140G-J3F3-D25 Ser A140G-J3F3-D25/A, Series A, Rev A
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