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Allen Bradley 140G MCB 140G-J6C4-C30

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140G-J6C4-C30

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The molded case circuit breaker 140G-J6C4-C30 from Allen-Bradley is engineered to provide robust circuit protection. It supports a maximum current of 250 Amps and features an interrupting capacity of 65 kA for effective fault management.

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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-C30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J6C4-C30
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating65 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range30 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-J6C4-C30 by Allen-Bradley is a reliable molded case circuit breaker designed for industrial applications. With a sturdy J frame, this circuit breaker can handle a substantial current rating of up to 250 Amps. Its interrupting rating of 65 kA provides assurance of effective performance when faced with fault conditions.

The breaker features a four-pole configuration, ensuring comprehensive protection for multi-phase circuits. It uses fixed thermal and magnetic protection technologies, which respond swiftly to overloads, ensuring safety in operation. The current range it supports is rated at 30 Amps, allowing it to protect against overcurrent situations efficiently.

This model's rated insulation voltage of 1000 V establishes its suitability for high-voltage applications. Furthermore, it is equipped to withstand impulse voltages of up to 8 kV, enhancing its reliability under transient conditions. Weighing 7.72 pounds, the circuit breaker is relatively lightweight yet solid enough for durable performance.

Designed for longevity, it features a mechanical life rating of 240 operations per hour and an electrical lifespan of 120 operations per hour. These characteristics underscore the 140G-J6C4-C30's ability to perform reliably in demanding environments.

Revision Part #Also known as
140G-J6C4-C30 Ser A140G-J6C4-C30/A, Series A, Rev A
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