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Allen Bradley 140G MCB 140G-J3H4-D15

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140G-J3H4-D15

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The 140G-J3H4-D15 is a molded case circuit breaker designed by Allen-Bradley in the Rockwell Automation product line. Rated for a capacity of 250 amps and four poles, this device is suitable for various electrical applications and incorporates electronic LSI for protection.

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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-J3H4-D15

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3H4-D15
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeElectronic LSI
Poles4
Current Range150 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J3H4-D15 molded case circuit breaker from Allen-Bradley is engineered for high-performance applications. It operates at a robust 250 ampere rating and comes equipped with four poles, facilitating versatile circuit configurations. The device features an interrupting capacity of 35 kA, allowing it to effectively handle fault conditions.

Constructed with electronic LSI protection, this circuit breaker offers advanced safeguards against overcurrent events. It is designed to operate with a rated insulation voltage of 1000 volts, ensuring functionality in elevated voltage environments. Moreover, the 140G-J3H4-D15 can withstand impulse voltages up to 8 kV, enhancing its durability in industrial settings.

Weighing in at 7.72 pounds, this unit also demonstrates impressive operational longevity, rated for 240 mechanical operations and 120 electrical operations per hour. These specifications underline the 140G-J3H4-D15 as a reliable choice for critical circuit protection needs across various applications.

Revision Part #Also known as
140G-J3H4-D15 Ser A140G-J3H4-D15/A, Series A, Rev A
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