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Allen Bradley 140G MCB 140G-J2H3-C40

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140G-J2H3-C40

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The 140G-J2H3-C40 circuit breaker by Allen-Bradley is engineered for robust and reliable circuit protection. It effectively manages electrical demands and features an interrupting capacity of 25 kA. Its electronic LSI protection enhances 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-J2H3-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J2H3-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeElectronic LSI
Current Range40 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J2H3-C40 from Allen-Bradley and Rockwell Automation is a molded-case circuit breaker. This unit is designed with a J frame, allowing it to support a maximum current of 250 amps. Its rated current is 40 amps. The circuit breaker has an interrupting rating of 25 kA, ensuring safety in demanding environments.

Its electronic LSI protection feature provides precise control for improved reliability and accurate trip settings during overload or short-circuit conditions. The device is rated for 1000 volts of insulation voltage, making it suitable for various industrial applications. The 140G-J2H3-C40 can withstand impulse voltages of 8 kV for protection against electrical surges.

In terms of physical specifications, this molded-case circuit breaker weighs 5.51 pounds, making it easy to install. Its mechanical lifespan is rated for 240 operations per hour, and its electrical lifespan is rated for 120 operations per hour, positioning it as a durable component for routine electrical protection and disconnection applications.

Revision Part #Also known as
140G-J2H3-C40 Ser A140G-J2H3-C40/A, Series A, Rev A
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