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Allen Bradley 140G MCB 140G-J0F4-D10

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140G-J0F4-D10

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The 140G-J0F4-D10 is a molded case circuit breaker from Allen-Bradley, a brand under Rockwell Automation. This unit features a robust current rating of 250 amps and possesses an interrupting capacity of 100 kA.

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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-J0F4-D10

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0F4-D10
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range100 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J0F4-D10, a molded case circuit breaker from Allen-Bradley, serves as a critical component for electrical system protection. It operates efficiently at a maximum of 250 amps and is designed with an impressive interrupting rating of 100 kA, ensuring effective fault protection. This model includes a J frame and features four poles, accommodating diverse electrical configurations.

With adjustable thermal and magnetic protection, this circuit breaker allows for customization based on application requirements. It has a current range capacity of 100 amps, providing flexibility for various setups. The insulation voltage is rated at 1000 volts, enabling safe operation in high-voltage environments, while it can also withstand impulse voltages of 8 kV for added resilience against electrical surges.

Weighing in at 7.72 pounds, the 140G-J0F4-D10 is engineered for reliability and is capable of executing 240 mechanical operations per hour. Its electrical life is rated at 120 operations per hour, ensuring it remains effective over time in demanding scenarios. Designed for durability and performance, this molded case circuit breaker is an essential element for ensuring safety and stability in electrical installations.

Revision Part #Also known as
140G-J0F4-D10 Ser A140G-J0F4-D10/A, Series A, Rev A
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