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Allen Bradley 140G MCB 140G-JTH3-C40

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140G-JTH3-C40

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The Allen-Bradley 140G-JTH3-C40 is a molded case circuit breaker developed for high-demand applications. Rated for a maximum of 250 amps, this device features electronic LSI protection and operates efficiently within a current range of 40 A.

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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-JTH3-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTH3-C40
Weight3.00 lbs (1.36 kg)
FrameJC
Amps250
Interrupting RatingTrip Unit
Protection TypeElectronic LSI
Current Range40 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-JTH3-C40 is a sophisticated molded case circuit breaker engineered by Allen-Bradley, part of the Rockwell Automation range. This unit provides effective circuit protection, rated for up to 250 amps. Its electronic LSI protection type makes the device suitable for various industrial needs.

Designed with a JC frame, this circuit breaker is intended to manage electrical applications with a maximum current handling of 40 amperes. The rated insulation voltage is capable of withstanding up to 1000 volts, enhancing its compatibility with high-voltage applications. Additionally, the circuit breaker features a rated impulse withstand voltage of 8 kV, ensuring it can endure transient voltage spikes without failure.

Weighing 5.51 pounds, the 140G-JTH3-C40 offers a robust construction that supports consistent operation. It boasts a mechanical life rated at 240 operations per hour and an electrical life expectation of 120 operations per hour, highlighting its reliability for long-term usage in demanding environments.

Revision Part #Also known as
140G-JTH3-C40 Ser A140G-JTH3-C40/A, Series A, Rev A
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