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Allen Bradley 140G MCB 140G-J0H4-C40

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140G-J0H4-C40

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The 140G-J0H4-C40 circuit breaker from Allen-Bradley is built for high performance with a robust design. It features a maximum current capacity of 250 Amps and is engineered with an interrupt rating of 100 kA. This breaker incorporates electronic LSI protection and four poles.

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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-J0H4-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0H4-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeElectronic LSI
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 Allen-Bradley 140G-J0H4-C40 is a molded case circuit breaker that was designed to emphasize safety and durability. This circuit breaker model operates at a maximum current of 250 Amps and serves applications requiring robust circuit protection. It features a size J frame design and utilizes a four-pole configuration, making it versatile and suitable for different installations. The interrupting capacity of this circuit breaker is 100 kA, making it suitable for applications that may encounter significant fault currents.

This circuit breaker is also designed with electronic LSI protection, and it ensures reliable operation and swift response to overloads or faults. The breaker operates efficiently with a rated current of up to 40 Amps. Its rated insulation voltage is 1000 V, allowing it to operate safely in high-voltage environments. Additionally, it can endure impulse voltages of up to 8 kV, making it effective against transient events.

Weighing 7.72 pounds, the circuit breaker is engineered for mechanical durability. It has a rated mechanical life of 240 operations per hour. It also features a rated electrical life of 120 operations per hour, ensuring reliable performance in demanding conditions. The 140G-J0H4-C40 circuit breaker serves as a critical protective component in electrical systems in various industrial applications.

Revision Part #Also known as
140G-J0H4-C40 Ser A140G-J0H4-C40/A, Series A, Rev A
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