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Allen Bradley 140G MCB 140G-JTF4-C90

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140G-JTF4-C90

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The 140G-JTF4-C90 circuit breaker, manufactured by Allen-Bradley, is designed for secure and effective electrical management. This unit is rated for up to 250 Amps and operates with a four-pole configuration, allowing for robust application across different systems. It features adjustable thermal and magnetic protection, providing customization to meet specific operational requirements.

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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-JTF4-C90

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTF4-C90
Weight3.00 lbs (1.36 kg)
FrameJ
Amps250
Interrupting RatingTrip Unit
Protection TypeAdjustable Thermal/ Adjustable Magnetic
Poles4
Current Range90 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-JTF4-C90 from Allen-Bradley is a molded case circuit breaker integral to managing electrical systems safely. Designed with a frame type J, this breaker supports a maximum amp rating of 250 Amps, catering to high-demand applications effectively. With a built-in trip unit, it offers reliable interrupting capabilities, essential for maintaining operational safety in electrical circuits.

Boasting four poles, the 140G-JTF4-C90 is well-suited for diverse functionalities within three-phase systems. It operates within a current range of 90 Amps. The adjustable thermal and magnetic protection types enable operators to set parameters according to specific requirements, enhancing reliability and efficiency.

This circuit breaker is rated for insulation up to 1000 volts, ensuring it can operate safely in higher voltage environments. Additionally, it withstands impulse voltages reaching 8 kV, making it resilient against transient voltage spikes. Weighing approximately 7.72 pounds, the device is manageable for installation in various settings. Its mechanical life is rated at 240 operations per hour, while it offers an electrical life of 120 operations per hour, contributing to extended usability in demanding industrial conditions.

Revision Part #Also known as
140G-JTF4-C90 Ser A140G-JTF4-C90/A, Series A, Rev A
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