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Allen Bradley 140G MCB 140G-J0C4-C32

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140G-J0C4-C32

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The 140G-J0C4-C32 is a robust molded case circuit breaker from Allen-Bradley, designed to provide dependable circuit protection. With a substantial current rating of 250 amps, this unit effectively interrupts fault currents up to 100 kA, ensuring system reliability.

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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-J0C4-C32

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J0C4-C32
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating100 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range32 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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Engineered for high performance, the Allen-Bradley 140G-J0C4-C32 molded case circuit breaker offers critical protection in electrical applications. This model features a J-frame and is rated for up to 250 amps, providing substantial capacity for various circuits. With an impressive interrupting rating of 100 kA, it is capable of isolating faults effectively.

The circuit breaker employs fixed thermal and fixed magnetic protection mechanisms, enhancing safety during overload and short circuit conditions. It contains four poles allowing compatibility with multi-phase systems and capable of handling a current range of 32 amps. Additionally, the 140G-J0C4-C32 is rated for insulation voltages up to 1000V, providing flexibility across different electrical installations.

With a rated impulse withstand voltage of 8 kV, this unit ensures resilience against over-voltage transients, making it suitable for demanding environments. The overall weight is 7.72 pounds, which balances durability with manageable installation.

In terms of operational lifespan, this circuit breaker features a mechanical life of 240 operations per hour and an electrical life rated for 120 operations per hour. These specifications indicate this unit's reliability and endurance under frequent use, solidifying its role as a dependable choice for circuit protection.

Revision Part #Also known as
140G-J0C4-C32 Ser A140G-J0C4-C32/A, Series A, Rev A
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