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Allen Bradley 140G MCB 140G-JC0C3-C70

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140G-JC0C3-C70

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The 140G-JC0C3-C70 from Allen-Bradley is a molded case circuit breaker utilized within electrical systems. Designed with a frame type JC, it has a maximum capacity of 250 Amps and offers an interrupting rating of 100 kA for enhanced safety.

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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-JC0C3-C70

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JC0C3-C70
Weight10.00 lbs (4.54 kg)
FrameJC
Amps250
Interrupting Rating100 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range70 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-JC0C3-C70 model is a robust molded case circuit breaker manufactured by Allen-Bradley under Rockwell Automation. It is engineered to handle a maximum of 250 Amps, making it suitable for a variety of industrial applications. With an impressive interrupting capacity of 100 kA, this circuit breaker effectively protects against fault conditions.

The breaker features a JC frame type and operates with fixed thermal and magnetic protection, ensuring reliable response during overloads and short circuits. It has a current range of 70 A, which enhances its versatility across different circuit configurations.

Rated for insulation voltages of 1000 V, the unit is designed to function safely within high-voltage systems. Additionally, it withstands impulse voltages up to 8 kV, providing further protection against transient surges. The overall weight of 5.51 pounds allows for easy installation on standard industrial DIN rails.

In terms of operational reliability, the 140G-JC0C3-C70 boasts a mechanical life of 240 operations per hour, ensuring sustained performance for frequent cycling. Its electrical lifespan is rated at 120 operations per hour, confirming its durability for constant use. Overall, this breaker is crafted for efficiency and reliability in safeguarding electrical circuits.

Revision Part #Also known as
140G-JC0C3-C70 Ser A140G-JC0C3-C70/A, Series A, Rev A
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