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Allen Bradley 140G MCB 140G-JTI4-D25

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140G-JTI4-D25

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The 140G-JTI4-D25 by Allen-Bradley is a reliable molded-case circuit breaker with a maximum current capacity of 250 Amps. It is designed for effective fault management and utilizes electronic LSIG protection for enhanced safety during operation.

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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-JTI4-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTI4-D25
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting RatingTrip Unit
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-JTI4-D25 breaker model from the Allen-Bradley brand under Rockwell Automation is a molded-case circuit breaker tailored for robust applications. This unit operates effectively with a maximum rated current of 250 amps. It features a trip unit for its interrupting ratings, ensuring dependable fault protection.

The circuit breaker has electronic LSIG protection technology, providing advanced safety measures when handling various electrical conditions. Its design accommodates four poles, allowing for versatile applications in multi-phase systems. The unit’s operation is supported by a rated current of up to 250 A, enhancing its applicability in different environments.

Built to withstand significant electrical stress, the 140G-JTI4-D25 is rated for an insulation voltage of 1000 volts, while also having an impulse withstand voltage rating of 8 kV. Its weight is approximately 7.72 pounds, giving it a manageable form factor suitable for easy installation. This breaker offers a mechanical life rating of 240 operations per hour and is rated for 120 electrical operations per hour, reflecting its durability and operational longevity within an industrial setting.

Revision Part #Also known as
140G-JTI4-D25 Ser A140G-JTI4-D25/A, Series A, Rev A
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