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Allen Bradley 140G MCB 140G-JC0C3-C30

Product image is representative; revision or series may vary. Contact us to request a specific version.

140G-JC0C3-C30

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The 140G-JC0C3-C30, a molded case circuit breaker from Allen-Bradley, is engineered to handle up to 250 Amps. Its robust interrupting rating of 100 kA allows for reliable protection in various applications. Designed for durability, this breaker operates efficiently within a mechanical life range of 240 operations per hour.

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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-C30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JC0C3-C30
Weight10.00 lbs (4.54 kg)
FrameJC
Amps250
Interrupting Rating100 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range30 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-JC0C3-C30 is a high-capacity molded case circuit breaker intended for critical electrical applications. Capable of managing a maximum of 250 Amps, this device ensures robust performance and effective protection against overloads and short circuits. With an interrupting capacity rated at 100 kA, it is well-equipped to handle fault conditions, making it a key component in a well-designed electrical system.

This circuit breaker operates with a current range of 30 Amps and integrates fixed thermal and magnetic protections to provide reliable trip characteristics. It is designed to withstand a rated insulation voltage of 1000 volts, ensuring operational stability in high-voltage setups. Moreover, it can endure impulse withstand voltages of 8 kV, which further enhances its reliability when subjected to sudden voltage spikes.

Weighing 5.51 lb, the 140G-JC0C3-C30 breaker is engineered for ease of installation. Designed for efficiency, it boasts a mechanical lifespan of 240 operations per hour, while maintaining an electrical life of 120 operations per hour. These specifications confirm that this molded case circuit breaker is an essential choice for applications requiring both safety and performance in electrical systems.

Revision Part #Also known as
140G-JC0C3-C30 Ser A140G-JC0C3-C30/A, Series A, Rev A
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