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Allen Bradley 140G MCB 140G-J3C3-C30

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140G-J3C3-C30

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The 140G-J3C3-C30 from Allen-Bradley is a molded case circuit breaker characterized by its robust J-frame and efficient protection design. With a maximum current rating of 250A and an interrupting capacity of 35 kA, this breaker is built for industrial use.

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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-J3C3-C30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3C3-C30
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range30 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J3C3-C30 is a molded-case circuit breaker by Allen-Bradley that operates as a dependable electrical safeguard. Designed with a J-type frame, this circuit breaker can handle up to 250 amperes of current, allowing it to accommodate significant loads. The unit is equipped with a robust interrupting rating of 35 kA, providing effective protection against short circuits and overloads.

Specifically designed for fixed thermal and fixed magnetic protection, this breaker supports a rated current of 30 A. With a rated insulation voltage of up to 1000 volts, it ensures safety and reliability in high-voltage settings. The rated impulse withstand voltage is set at 8 kV, indicating its capacity to absorb voltage spikes and transient disturbances.

Weighing 5.51 pounds, the 140G-J3C3-C30 circuit breaker is designed for efficient installation and operation. This device boasts a mechanical life rating of 240 operations per hour and an electrical life rating of 120 operations per hour. These features contribute to the breaker's longevity and effectiveness, making it suitable for a wide range of applications in industrial environments.

Revision Part #Also known as
140G-J3C3-C30 Ser A140G-J3C3-C30/A, Series A, Rev A
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