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Allen Bradley 140G MCB 140G-J3F4-D11

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140G-J3F4-D11

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The 140G-J3F4-D11 is a molded case circuit breaker by Allen-Bradley. With a 250 amp capacity and a 35 kA interrupting rating, this unit is engineered for robust circuit 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-J3F4-D11

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3F4-D11
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range110 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J3F4-D11, part of the Allen-Bradley product line, is designed as a molded case circuit breaker. It is a J-frame type unit featuring an amp capacity of 250. This breaker provides essential protection for electrical systems, capable of interrupting fault currents rated up to 35 kA. The adjustable thermal and magnetic protection settings allow for customizing response to operational conditions. It is configured with four poles, which is advantageous for three-phase applications.

This breaker operates efficiently across a rated insulation voltage of 1000 volts. Additionally, it is designed to withstand impulse voltages reaching up to 8 kV, ensuring safety during transient events. Weighing 7.72 pounds, the 140G-J3F4-D11 is capable of a mechanical life span of 240 operations per hour, emphasizing its durability. Its electrical life is marked at 120 operations per hour, ensuring reliability in continuous operation. The current range capability of this circuit breaker makes it versatile for various applications.

Revision Part #Also known as
140G-J3F4-D11 Ser A140G-J3F4-D11/A, Series A, Rev A
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