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Allen Bradley 140G MCB 140G-JTC3-C40

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140G-JTC3-C40

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The Allen-Bradley 140G-JTC3-C40 is a molded case circuit breaker specifically designed for robust electrical applications. Operating efficiently at a maximum current of 250 Amps, this unit features fixed thermal and magnetic protection for dependable performance.

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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-JTC3-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTC3-C40
Weight3.00 lbs (1.36 kg)
FrameJC
Amps250
Interrupting RatingTrip Unit
Protection TypeFixed Thermal/ Fixed Magnetic
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 140G-JTC3-C40 from Allen-Bradley is classified as a molded case circuit breaker, notable for its reliability in controlling electrical systems. This breaker can manage a current capacity of 250 Amps and is configured with a JC frame. It employs fixed thermal and fixed magnetic protection types, ensuring consistent operation under various conditions.

This model supports a maximum current within a fixed range of 40 Amps, enhancing its utility for applications requiring precise current management. Furthermore, it withstands rated insulation voltages up to 1000 volts, ensuring safe operation in high-voltage environments. The rated impulse withstand voltage of 8 kV indicates its resilience against sudden voltage spikes, contributing to overall system protection.

With a weight of 5.51 pounds, the 140G-JTC3-C40 remains compact for efficient installation. Designed for durability, the circuit breaker has a mechanical life of approximately 240 operations per hour, while its electrical life is rated for 120 operations per hour, confirming its capability for reliable long-term performance in industrial settings.

Revision Part #Also known as
140G-JTC3-C40 Ser A140G-JTC3-C40/A, Series A, Rev A
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