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Allen Bradley 140G MCB 140G-J0I4-C40

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140G-J0I4-C40

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The 140G-J0I4-C40 circuit breaker was manufactured by Allen-Bradley and Rockwell Automation, and it is a molded case circuit breaker. It comes with a size J frame and operates at a maximum rated current of 250 Amps. This breaker provides a dependable 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-J0I4-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0I4-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeElectronic LSIG
Poles4
Current Range40 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J0I4-C40 is an advanced molded case circuit breaker by Allen-Bradley. This device is notable for its capacity to handle a maximum current rating of 250 Amps. It was designed with a J-type frame and offers extensive operational reliability. A key feature of this circuit breaker is its interrupting rating of 100 kA, enabling it to effectively manage fault conditions in various electrical systems.

This circuit breaker, equipped with electronic LSIG protection, enhances safety by providing overload and short-circuit protection to electrical systems. It also operates with four poles that make it suitable for various electrical configurations. The rated current for this breaker is set at 40 A, allowing for versatile applications.

This circuit breaker can handle rated insulation voltages up to 1000 V, ensuring compatibility with high-voltage systems. Additionally, the 140G-J0I4-C40 breaker has an impulse withstand voltage rating of 8 kV, making it resilient against voltage surges. The product weighs 7.72 pounds for easy handling and installation.

This circuit breaker's mechanical durability is remarkable. It is rated for up to 240 mechanical operations per hour and up to 120 electrical operations per hour. These ratings affirm that this breaker is an excellent choice for demanding industrial applications where circuit breaker reliability and performance are crucial.

Revision Part #Also known as
140G-J0I4-C40 Ser A140G-J0I4-C40/A, Series A, Rev A
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