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Allen Bradley 140G MCB 140G-J0F4-D16

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140G-J0F4-D16

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The 140G-J0F4-D16 model from Allen-Bradley is designed as a molded case circuit breaker that offers reliable operational protection. It functions effectively at a maximum rated capacity of 250 Amps and has an interrupting capacity of 100 kA, ensuring safety during fault conditions.

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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-D16

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0F4-D16
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range160 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J0F4-D16 is an Allen-Bradley molded case circuit breaker, engineered for effective and reliable operation in electrical systems. With a substantial amperage rating of 250, this circuit breaker delivers robust protection. The interrupting rating of 100 kA is critical for safely handling electrical faults, ensuring that systems remain intact during fault situations.

This breaker features an adjustable thermal and magnetic protection type, providing flexibility in response to varying load conditions. It is configured with four poles, allowing the device to manage multi-phase circuit requirements efficiently. It supports a current range of 160 Amps, accommodating different operational scenarios. Rated for insulation voltages up to 1000V, the 140G-J0F4-D16 is designed to operate in high-voltage environments.

Additionally, it can withstand impulse voltages of 8 kV, enhancing its resilience to electrical surges. Weighing in at 7.72 pounds, this circuit breaker strikes a balance between durable construction and manageable weight. It boasts a mechanical life expectancy of 240 operations per hour alongside an electrical life rating of 120 operations per hour, affirming its reliability in continuous-use situations.

Revision Part #Also known as
140G-J0F4-D16 Ser A140G-J0F4-D16/A, Series A, Rev A
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