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Allen Bradley 140G MCB 140G-JTF4-D22

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140G-JTF4-D22

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The 140G-JTF4-D22 is a molded case circuit breaker crafted by Allen-Bradley as part of the 140G series. Operating within a J-frame, it has a current rating of 250 Amps and features a trip unit for interrupting ratings. This device employs adjustable thermal and magnetic protection to ensure safe operations.

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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-D22

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTF4-D22
Weight3.00 lbs (1.36 kg)
FrameJ
Amps250
Interrupting RatingTrip Unit
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range220 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-JTF4-D22 molded case circuit breaker from Allen-Bradley represents a reliable solution for electrical protection in industrial applications. This model features a J frame design and is capable of handling up to 250 Amps. A unique aspect of this device is its interrupting rating, which is defined by its trip unit. This addition makes it significant for precise circuit management.

Equipped with adjustable thermal and magnetic protection mechanisms, the 140G-JTF4-D22 offers flexible and effective circuit safeguarding. It includes four poles, allowing it to cater to various configurations and installations. The device operates efficiently within a current range that peaks at 220 A while ensuring a rated insulation voltage of up to 1000 V. Further reinforcing its durability, the breaker withstands impulse voltages up to 8 kV, guarding against electrical surges.

Weighing 7.72 pounds, this model is designed for easy handling and installation. Its operational life is noteworthy; it achieves a mechanical lifespan of 240 operations per hour alongside an electrical life of 120 operations per hour. These attributes ensure that the 140G-JTF4-D22 is a dependable choice for anyone seeking robust circuit protection in demanding electrical environments.

Revision Part #Also known as
140G-JTF4-D22 Ser A140G-JTF4-D22/A, Series A, Rev A
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