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Allen Bradley 140G MCB 140G-JTH3-D15

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140G-JTH3-D15

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The 140G-JTH3-D15 serves as a molded case circuit breaker rated at 250 Amps, designed by Allen-Bradley as part of the Rockwell Automation portfolio. It utilizes electronic LSI protection and features a frame type JC, enabling reliable circuit management in diverse applications.

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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-D15

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTH3-D15
Weight3.00 lbs (1.36 kg)
FrameJC
Amps250
Interrupting RatingTrip Unit
Protection TypeElectronic LSI
Current Range150 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-JTH3-D15 is categorized as a molded case circuit breaker, specifically engineered to provide reliable protection for electrical systems. This unit features a maximum capacity of 250 Amps, allowing it to handle substantial loads effectively. It is equipped with an electronic LSI protection type, which enhances its fault detection capabilities and helps safeguard connected equipment.

Designed with a frame designated as JC, this model supports a current range capped at 150 A. In terms of construction, the unit is rated for an insulation voltage of 1000 Volts, making it suitable for environments where high voltage levels are common. Additionally, the circuit breaker can withstand impulse voltages of up to 8 kV, ensuring stability during transient electrical events.

With a weight of 5.51 pounds, the 140G-JTH3-D15 is manageable for installation and integration within electrical panels. It offers a considerable mechanical life expectancy of 240 operations per hour and an electrical life rating of 120 operations per hour, indicating reliability and durability in continuous use. This combination of features makes the 140G-JTH3-D15 an important component within industrial control systems, providing the necessary protection to ensure safe and operational integrity.

Revision Part #Also known as
140G-JTH3-D15 Ser A140G-JTH3-D15/A, Series A, Rev A
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