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Allen Bradley 140G MCB 140G-J0F4-C90

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140G-J0F4-C90

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The 140G-J0F4-C90 model from Allen-Bradley is a highly capable molded case circuit breaker designed for rigorous industrial applications. This unit operates at a maximum capacity of 250 amps and features a superior interrupting rating of 100 kA, ensuring robust performance 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-C90

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0F4-C90
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeAdjustable Thermal/ Adjustable Magnetic
Poles4
Current Range90 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J0F4-C90 molded case circuit breaker by Allen-Bradley represents a robust solution within the Rockwell Automation lineup. This breaker features a J frame design capable of handling 250 amps of current. It is specifically engineered to offer an interrupting rating of up to 100 kA, effectively managing short circuits and overloads in industrial environments.

Equipped with adjustable thermal and magnetic protection, this circuit breaker allows for customization based on specific requirements, providing enhanced safety. The four-pole configuration makes it apt for a variety of applications requiring reliable circuit protection. The device is rated to support a current range of 90 A.

With a rated insulation voltage of 1000 V, it maintains integrity in high-voltage applications, while also handling impulse withstand voltages up to 8 kV to endure transient conditions. Constructed with a weight of 7.72 lbs, it is easy to handle and install in typical circuit protection setups.

The 140G-J0F4-C90 offers impressive lifespan metrics, including a mechanical life rated at 240 operations per hour and an electrical life rated for 120 operations per hour. This durability makes it a reliable choice for electrical systems aiming for longevity and minimal downtime.

Revision Part #Also known as
140G-J0F4-C90 Ser A140G-J0F4-C90/A, Series A, Rev A
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