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Allen Bradley 140G MCB 140G-J0F4-D25

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140G-J0F4-D25

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The 140G-J0F4-D25 circuit breaker is produced by Allen-Bradley as a high-performance molded case circuit breaker. It is rated for 250 Amps and features a robust interrupting capability of 100 kA. It is suitable for 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-J0F4-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0F4-D25
Weight20.00 lbs (9.07 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range250 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-J0F4-D25 is an advanced molded case circuit breaker characterized by its substantial electrical capabilities. It was designed with a J-frame and it has a current rating of 250 Amps, making it ideal for various high-load applications. The unit boasts an impressive interrupting rating of 100 kA for ensuring reliable performance under fault conditions.

This circuit breaker contains both adjustable thermal and adjustable magnetic protection features, offering flexibility tailored to specific operational needs. It is outfitted with four poles, facilitating its use in multi-phase circuits. This circuit breaker model's rated insulation voltage is 1000 volts, providing an adequate safety margin for high-voltage environments. Furthermore, it can withstand impulse voltages of up to 8 kV, which is crucial for protecting equipment from voltage spikes.

The 140G-J0F4-D25 weighs 7.72 pounds and is built to withstand mechanical stress. It supports a mechanical life rating of 240 operations per hour along with an electrical life rating of 120 operations per hour. This makes it suitable for environments that demand both durability and consistent performance.

Revision Part #Also known as
140G-J0F4-D25 Ser A140G-J0F4-D25/A, Series A, Rev A
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