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Allen Bradley 140G MCB 140G-J6C4-C40

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140G-J6C4-C40

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The 140G-J6C4-C40 molded case circuit breaker is engineered by Allen-Bradley. This unit supports a maximum capacity of 250 Amps, and it is part of the J-frame series. With an interrupting rating of 65 kA, this device offers robust protection against electrical faults, making it suitable for demanding applications.

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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-J6C4-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6C4-C40
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range40 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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Constructed for dependability, the Allen-Bradley 140G-J6C4-C40 circuit breaker is a notable component within industrial electrical systems. It employs a compact J-frame design and is rated to handle currents of up to 250 Amps. This device is designed with a 65 kA interrupting capacity, allowing it to safely disengage under fault conditions. It comprises four poles for varied applications and uses fixed thermal and magnetic trip mechanisms to ensure protection against overloads and short circuits.

With a current range reaching 40 Amps, this circuit breaker ensures reliable operation in various configurations. Additionally, it operates effectively with rated insulation voltages of 1000 volts. The device showcases resilience against transient events, with a rated impulse withstand voltage of up to 8 kV.

The total weight of the 140G-J6C4-C40 is recorded at 7.72 pounds, indicating a solid yet manageable unit that can be easily integrated into most setups. Designed for endurance, it boasts a mechanical life capacity of 240 operations per hour and an electrical life expectancy of 120 operations per hour. This molded case circuit breaker stands as a critical element for ensuring the safety and efficiency of electrical systems that require high reliability.

Revision Part #Also known as
140G-J6C4-C40 Ser A140G-J6C4-C40/A, Series A, Rev A
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