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Allen Bradley 140G MCB 140G-J3F3-D16

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140G-J3F3-D16

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The 140G-J3F3-D16 molded case circuit breaker from Allen-Bradley is a robust and efficient device designed for high-performance use. With a rated current of 250 amps, it delivers reliable protection in electrical circuits, capable of interrupting fault currents up to 35 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-J3F3-D16

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3F3-D16
UPC887172307607
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Current Range160 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-J3F3-D16 is classified as a molded case circuit breaker that showcases advanced engineering tailored for demanding electrical systems. It supports a maximum current rating of 250 amps and rests within a J frame size. This component is engineered to handle significant power loads in industrial applications.

With an interrupting capacity rated at 35 kA, the breaker offers substantial safety by effectively isolating faults, thereby protecting circuits from severe damage during overload conditions. The unit features adjustable thermal and magnetic protection types, allowing for customization according to specific operational environments.

The 140G-J3F3-D16 is rated for insulation voltages reaching 1000 volts, ensuring it can endure high-stress electrical scenarios. Additionally, it withstands impulse voltage surges of up to 8 kV, affirming its robustness against transient spikes. The weight of this device sits at 5.51 pounds, making it manageable for installation purposes.

In terms of operational longevity, this circuit breaker is designed to sustain a mechanical life of about 240 operations per hour alongside an electrical life of 120 operations per hour. Such ratings indicate its capability to perform efficiently over prolonged usage in various industrial contexts.

Revision Part #Also known as
140G-J3F3-D16 Ser A140G-J3F3-D16/A, Series A, Rev A
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