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Allen Bradley 140G MCB 140G-G3C3-C45

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140G-G3C3-C45

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The 140G-G3C3-C45, a molded case circuit breaker from Allen-Bradley, features a robust G frame and is rated for 125 amps. With a fixed thermal and fixed magnetic protection design, this unit provides reliable circuit protection. It can handle a thermal trip setting of 45 A and a higher magnetic trip rating of 500 A, ensuring effective response to overload and short-circuit conditions.

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2 Year DO Supply Warranty
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-G3C3-C45

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-G3C3-C45
Weight2.75 lbs (1.25 kg)
FrameG
Amps125
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range45 A
Rated Insulation Voltage800 V
Rated Impulse Withstand Voltage8 kV
Thermal Trip45 A
Magnetic Trip500 A
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The Allen-Bradley 140G-G3C3-C45 represents a molded case circuit breaker from the renowned Rockwell Automation brand. This circuit breaker is designed with a frame size identified as G, supporting a maximum continuous current of 125 amps. It ensures effective circuit protection through its fixed thermal and fixed magnetic mechanisms. The thermal trip is calibrated at 45 amps, while the device also features a magnetic trip rating of 500 amps, allowing it to respond swiftly to overload conditions.

Operating with an interrupting rating of up to 35 kA, the breaker is capable of quenching high fault currents, thus providing critical safety measures for electrical systems. The 140G-G3C3-C45 is built to handle a rated insulation voltage of 800 V, ensuring it can operate safely under high voltage conditions. Furthermore, it possesses a rated impulse withstand voltage of 8 kV, making it suitable for use in environments where transient voltage spikes may occur. Weighing in at approximately 2.42 pounds, this circuit breaker is both compact and efficient, making it an ideal choice for a variety of industrial applications.

Revision Part #Also known as
140G-G3C3-C45 Ser A140G-G3C3-C45/A, Series A, Rev A
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