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Allen Bradley 140G MCB 140G-J3I4-D25

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140G-J3I4-D25

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The 140G-J3I4-D25 model from Allen-Bradley is a versatile molded case circuit breaker. This device is built to handle a current of up to 250 Amps and operates with a four-pole configuration, making it suitable for a variety of applications. With a notable interrupting capacity of 35 kA, it provides robust protection against circuit faults.

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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-J3I4-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3I4-D25
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeElectronic LSIG
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-J3I4-D25 is engineered as a molded case circuit breaker suitable for various industrial needs. This robust breaker functions effectively with a maximum current capacity of 250 Amps. It features a frame classification of J and includes four poles for diversified applications. With a significant interrupting rating of 35 kA, the unit is designed to safely manage electrical faults, ensuring system reliability.

Engineered with electronic LSIG protection, this model monitors electrical currents, providing enhanced safety by swiftly responding to fault conditions. The unit allows adjustable settings for optimal performance depending on the application requirements. It is rated for an insulation voltage of 1000 volts, suitable for high-voltage environments. Additionally, the breaker can withstand impulse voltages of up to 8 kV, safeguarding against transient events.

Weighing 7.72 pounds, the 140G-J3I4-D25 remains manageable for installation and maintenance. Its mechanical lifecycle of 240 operations per hour ensures durability under frequent usage, while the electrical lifecycle of 120 operations per hour demonstrates its capability for consistent performance. The design includes robust construction and functional technology, making it a dependable choice in industrial circuit protection.

Revision Part #Also known as
140G-J3I4-D25 Ser A140G-J3I4-D25/A, Series A, Rev A
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