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Allen Bradley 140G MCB 140G-J0I4-D25

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140G-J0I4-D25

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The 140G-J0I4-D25 breaker is engineered as a molded case circuit breaker with robust performance ratings. It is rated for 250 amps of current and features electronic LSIG protection. It can handle an interrupting rating of 100 kA. This breaker is constructed with four poles and designed to operate effectively in a range of 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-J0I4-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0I4-D25
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeElectronic LSIG
Poles4
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-J0I4-D25 breaker manufactured by Allen-Bradley is a molded-case circuit breaker specifically designed for use in demanding electrical environments. As part of the 140G series developed by Rockwell Automation, this device can handle currents of up to 250 amps, making it suitable for heavy loads. The breaker employs electronic LSIG protection technology, which is essential for effective safeguarding against overload and short circuit conditions.

This unit is configured with four poles for comprehensive circuit protection. With an interrupting capacity of 100 kA, it ensures efficient operation even during fault scenarios. The robust construction of this circuit breaker allows it to handle a rated insulation voltage of 1000 volts and to withstand impulse voltages measuring up to 8 kV.

At 7.72 pounds, the breaker is designed for durability while also being compact enough to support ease of installation. Its mechanical life rating is 240 operations per hour, indicating strong reliability for constant cycling. For electrical operations, it can support up to 120 operations per hour, making it suitable for automated environments where consistent performance is required. The 140G-J0I4-D25 circuit breaker is a dependable solution for circuit protection in industrial systems.

Revision Part #Also known as
140G-J0I4-D25 Ser A140G-J0I4-D25/A, Series A, Rev A
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