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Allen Bradley 140G MCB 140G-JTF4-D25

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140G-JTF4-D25

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The 140G-JTF4-D25 is a molded case circuit breaker designed for precision and reliability. This four-pole device operates at a maximum of 250 Amps, ensuring robust performance. It features adjustable thermal and magnetic protection settings, optimizing its functionality across various 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-JTF4-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTF4-D25
Weight3.00 lbs (1.36 kg)
FrameJ
Amps250
Interrupting RatingTrip Unit
Protection TypeAdjustable Thermal/ Adjustable 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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A product of Allen-Bradley, the 140G-JTF4-D25 molded case circuit breaker provides exceptional performance in electrical systems. It is configured to handle a current range of 250 A and operates within a robust J frame. The device is equipped with four poles, allowing comprehensive protection in multi-phase applications.

This circuit breaker is designed with adjustable thermal and magnetic trip settings. Such an arrangement offers customized protection levels tailored to specific operational demands. The interrupting capacity is rated for heavy-duty performance while managing a rated insulation voltage of 1000 V. Furthermore, the breaker's rated impulse withstand voltage is set at 8 kV, providing enhanced protection against voltage spikes.

Weighing 7.72 lb, this device is not only powerful but also practical for use in various environments. It features a mechanical life expectancy of 240 operations per hour and an electrical life rated at 120 operations per hour. This performance level makes the 140G-JTF4-D25 suitable for demanding industrial applications, ensuring long-term reliability and effectiveness.

Revision Part #Also known as
140G-JTF4-D25 Ser A140G-JTF4-D25/A, Series A, Rev A
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