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Allen Bradley 140G MCB 140G-J3C3-C70

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140G-J3C3-C70

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The 140G-J3C3-C70 is a molded case circuit breaker made by Allen-Bradley. This part is rated for a maximum current of 250 Amps and has an interrupting rating of 35 kA.

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2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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-C70

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3C3-C70
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range70 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-J3C3-C70 is a reliable molded-case circuit breaker engineered for reliable performance in demanding electrical applications. This unit can handle 70 Amps of rated current and 250 Amps of maximum current, providing substantial power management capabilities. It is designed with a J-frame, and it ensures robust protection against electrical faults with an interrupting capacity of 35 kA.

This breaker has fixed thermal and fixed magnetic technology for managing overloads and short-circuit events. The circuit breaker operates effectively at a rated insulation voltage of 1000 volts, ensuring safe performance even in high-voltage environments. It is also rated for impulse withstand voltages up to 8 kV for additional reliability against transient voltage spikes.

This breaker weighs 5.51 pounds, making it durable and suitable for installation in different settings. For additional durability, the 140G-J3C3-C70 has a mechanical life rating of 240 operations per hour and an electrical life rating of 120 operations per hour, allowing it to endure rigorous operational demands over extended periods.

Revision Part #Also known as
140G-J3C3-C70 Ser A140G-J3C3-C70/A, Series A, Rev A
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