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Allen Bradley 140G MCB 140G-J2C4-C70

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140G-J2C4-C70

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The 140G-J2C4-C70 is an Allen-Bradley molded case circuit breaker designed for reliability and circuit protection in industrial applications. This breaker model features a J frame and operates with a rated current of 70 Amps and a maximum current of 250 Amps. It includes fixed thermal and fixed magnetic protection options that ensure robust circuit protection, and its interrupting capacity is 25 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-J2C4-C70

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J2C4-C70
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating25 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
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-J2C4-C70 breaker is a molded-case circuit breaker built for reliable performance in electrical systems. It is designed with a robust J-frame and operates effectively at 70 Amps of rated current and a maximum current rating of 250 Amps. This device provides critical protection against overloads via its fixed thermal and magnetic mechanisms.

The circuit breaker has an interrupting rating of 25 kA, making it suitable for operation in environments where high fault currents might occur. It has four poles, allowing it to operate effectively in complex circuit topologies.

This breaker's rated insulation voltage is 1000 volts, and it has an enhanced capacity for handling high-voltage scenarios. Additionally, the rated impulse withstand voltage of the breaker is 8 kV, ensuring it can withstand transient voltage spikes. Weighing 7.72 pounds, the breaker is compact, sturdy, and easy to install.

The breaker supports 240 mechanical operations per hour and 120 electrical operations per hour. The 140G-J2C4-C70 circuit breaker is an essential component for ensuring safety and efficiency in modern industrial electrical systems.

Revision Part #Also known as
140G-J2C4-C70 Ser A140G-J2C4-C70/A, Series A, Rev A
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