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Allen Bradley 140G MCB 140G-JTF3-D25

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140G-JTF3-D25

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The 140G-JTF3-D25 is a molded case circuit breaker offered by Allen-Bradley and manufactured by Rockwell Automation. Designed for 250 Amps, it features adjustable thermal and magnetic protection. This unit is capable of withstanding high voltage levels as indicated by its insulation and impulse ratings.

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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-JTF3-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTF3-D25
Weight3.00 lbs (1.36 kg)
FrameJC
Amps250
Interrupting RatingTrip Unit
Protection TypeAdjustable Thermal/ Adjustable Magnetic
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-JTF3-D25 is a molded case circuit breaker developed by Allen-Bradley, under the manufacturing of Rockwell Automation. This device is rated for 250 Amps, providing strong circuit protection in a variety of applications. Designed with adjustable thermal and magnetic protection mechanisms, it allows for customization based on operational conditions.

The breaker has a JC frame type, ensuring compatibility with various setups. Its designers have rated the insulation voltage at 1000 V, which makes it suitable for high-voltage environments. Additionally, it can endure impulse withstand voltages of 8 kV, ensuring reliability when faced with voltage spikes.

Weighing 5.51 pounds, the 140G-JTF3-D25 is manageable for installation purposes. This circuit breaker has an impressive mechanical life of 240 operations per hour, coupled with an electrical life expectancy of 120 operations per hour. These specifications highlight the durability and performance efficiency of the unit in varied electrical applications.

Revision Part #Also known as
140G-JTF3-D25 Ser A140G-JTF3-D25/A, Series A, Rev A
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