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Allen Bradley 140G MCB 140G-G3C4-C45

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140G-G3C4-C45

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The model 140G-G3C4-C45 from Allen-Bradley is a molded case circuit breaker designed to ensure reliable electrical protection. With a frame size of G and a maximum current rating of 125 amps, it is engineered for effective handling of electrical loads while maintaining safety standards.

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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-C45

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-G3C4-C45
Weight3.00 lbs (1.36 kg)
FrameG
Amps125
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range45 A
Rated Insulation Voltage800 V
Rated Impulse Withstand Voltage8 kV
Thermal Trip45 A
Magnetic Trip500 A
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The 140G-G3C4-C45 circuit breaker from Allen-Bradley is classified as a molded case type. It is equipped to handle 125 amps and offers a solid protection mechanism utilizing both thermal and magnetic trip features. This unit is structured with four poles to accommodate various circuit configurations. The interrupting capacity of this breaker is rated at 35 kA, which is crucial for safeguarding against significant electrical faults. Furthermore, it has a flexible current range with a thermal trip rating set at 45 amps and a magnetic trip threshold at 500 amps. In terms of electrical isolation, it possesses a rated insulation voltage of 800 volts, while also being able to endure an impulse withstand voltage up to 8 kV. The relatively low weight of 3.08 pounds makes installation manageable within diverse environments.

Revision Part #Also known as
140G-G3C4-C45 Ser A140G-G3C4-C45/A, Series A, Rev A
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