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Allen Bradley 140G MCB 140G-JTC4-C40

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140G-JTC4-C40

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The 140G-JTC4-C40 is a robust molded case circuit breaker, part of the Allen-Bradley line by Rockwell Automation. This device features a frame size of J and is rated for 250 Amps, making it suitable for various electrical applications. It is designed with fixed thermal and magnetic protection and includes four poles, providing reliable operation.

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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-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTC4-C40
Weight3.00 lbs (1.36 kg)
FrameJ
Amps250
Interrupting RatingTrip Unit
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range40 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-JTC4-C40 molded case circuit breaker stands as a critical component in electrical systems requiring reliable protection. It can handle a maximum operating current of 250 Amps and is engineered to facilitate consistent performance. Designed with a frame designated as J, this breaker includes four poles for enhanced versatility in system integration.

Configure to provide efficient overload protection, this device utilizes fixed thermal and magnetic mechanisms. The current range it operates within is set at 40 A, making it adaptable to various applications where precise control is necessary. Its rated insulation voltage reaches 1000 V, giving it the capability to perform well in high-voltage applications.

Additionally, the breaker can endure impulse withstand voltages of 8 kV, ensuring reliable operation even during surges. At a weight of 7.72 lbs, it is manageable for installation and maintenance. The mechanical lifespan is rated at 240 operations per hour, signifying its suitability for environments with frequent on-off cycling, while its electrical life rating is set at 120 operations per hour, permitting it to operate efficiently over extended periods. The 140G-JTC4-C40 circuit breaker is a dependable choice for maintaining electrical integrity in industrial settings.

Revision Part #Also known as
140G-JTC4-C40 Ser A140G-JTC4-C40/A, Series A, Rev A
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