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Allen Bradley 140G MCB 140G-JTC4-C50

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140G-JTC4-C50

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The Allen-Bradley 140G-JTC4-C50 is a molded case circuit breaker with a J-frame design, delivering high-performance protection in electrical systems. Rated for a maximum of 250 Amps, it effectively manages current flows and incorporates fixed thermal and magnetic protection mechanisms.

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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-JTC4-C50

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTC4-C50
Weight3.00 lbs (1.36 kg)
FrameJ
Amps250
Interrupting RatingTrip Unit
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range50 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-JTC4-C50 circuit breaker, manufactured by Allen-Bradley under Rockwell Automation, serves as an essential component for electrical protection. This unit features a molded case design and is constructed with a J-frame, allowing it to support maximum current ratings of 250 Amps efficiently. Designed primarily for use in industrial settings, it offers a reliable solution for managing circuit safety.

This breaker is equipped with four poles and operates effectively within a specified current range of 50 Amps. The electrical safety offered by the 140G-JTC4-C50 is reinforced with fixed thermal and fixed magnetic protection, which helps to safeguard against overload and short circuit conditions. The rated insulation voltage stands at 1000 volts to accommodate various operational requirements. Additionally, it is capable of withstanding impulse voltages of 8 kV, ensuring durability under rapid voltage changes.

Weighing in at 7.72 pounds, this circuit breaker is manageable enough for various installations. The operational efficiency of the 140G-JTC4-C50 is highlighted by its mechanical life rating of 240 operations per hour. Meanwhile, the electrical life extends to 120 operations per hour, demonstrating its suitability for frequent use in demanding applications. Overall, the 140G-JTC4-C50 represents a robust solution for ensuring electrical system integrity.

Revision Part #Also known as
140G-JTC4-C50 Ser A140G-JTC4-C50/A, Series A, Rev A
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