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Allen Bradley 140G MCB 140G-JTI3-C40

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140G-JTI3-C40

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The 140G-JTI3-C40 is a molded-case circuit breaker designed by Allen-Bradley, a brand of Rockwell Automation. Rated for 250 Amps of maximum voltage, this device utilizes electronic LSIG protection and is suitable for up to 1000 volts of insulation voltage.

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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-JTI3-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTI3-C40
Weight3.00 lbs (1.36 kg)
FrameJ
Amps250
Interrupting RatingTrip Unit
Protection TypeElectronic LSIG
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-JTI3-C40 molded-case circuit breaker from Allen-Bradley is engineered for dependable circuit protection. This breaker operates at 40 Amps of rated current and at a maximum current rating of 250 Amps, enabling efficient management of electrical loads. Designed with a J frame, the device integrates electronic LSIG protection, enhancing safety under various fault conditions.

It is optimized for high-voltage applications, achieving a rated insulation voltage of 1000 volts. Its capability to withstand impulse voltages of up to 8 kV adds another layer of reliability that is essential in industrial environments.

Weighing 5.51 pounds, this unit offers solid construction without sacrificing manageability during installation. The mechanical life is rated at 240 operations per hour, indicating suitability for frequent use. Furthermore, the electrical life, rated at 120 operations per hour, ensures consistent performance under repeated electrical loads, vital for maintaining operational integrity in demanding applications.

Revision Part #Also known as
140G-JTI3-C40 Ser A140G-JTI3-C40/A, Series A, Rev A
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