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Allen Bradley 140G MCB 140G-G3C4-C63

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140G-G3C4-C63

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The 140G-G3C4-C63 molded case circuit breaker from Allen-Bradley is engineered for reliability and robust performance. This model operates under a rated current of 125 amps and features an interrupting capacity of 35 kA. Equipped with four poles, it employs fixed thermal and fixed magnetic protection to enhance circuit security.

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Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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-G3C4-C63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-G3C4-C63
Weight3.00 lbs (1.36 kg)
FrameG
Amps125
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range63 A
Rated Insulation Voltage800 V
Rated Impulse Withstand Voltage8 kV
Thermal Trip63 A
Magnetic Trip630 A
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The Allen-Bradley 140G-G3C4-C63, classified as a molded case circuit breaker, provides vital protection for electrical systems. This component is characterized by a 125 Amp rating, which suits a broad range of applications. The unit's interrupting capability reaches up to 35 kA, ensuring it can handle significant short-circuit conditions. Designed with fixed thermal and magnetic protection features, the 140G-G3C4-C63 functions efficiently with a four-pole layout. The allowable current for operation is between 63 A, making it versatile for different setups.

It can withstand rated insulation voltage levels of up to 800 V, providing safety and reliability in various environments. Additionally, the breaker boasts a rated impulse withstand voltage of 8 kV, allowing it to resist transient voltage spikes effectively. Weighing in at 3.08 lbs, this circuit breaker integrates seamlessly into any panel. The thermal trip is calibrated up to 63 A, and for magnetic incidents, it has a trip rating of 630 A, which enables prompt response to overload conditions, thereby safeguarding connected equipment from damage.

Revision Part #Also known as
140G-G3C4-C63 Ser A140G-G3C4-C63/A, Series A, Rev A
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