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Allen Bradley 140G MCB 140G-G3C4-C70

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140G-G3C4-C70

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The 140G-G3C4-C70 from Allen-Bradley is a molded case circuit breaker designed for reliable electrical protection. With a G-frame construction, it supports a maximum current of 125 Amps and provides an interrupting capacity of 35 kA, making it suitable for various circuit applications.

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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-C70

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-G3C4-C70
Weight3.00 lbs (1.36 kg)
FrameG
Amps125
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range70 A
Rated Insulation Voltage800 V
Rated Impulse Withstand Voltage8 kV
Thermal Trip70 A
Magnetic Trip700 A
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When assessing the 140G-G3C4-C70 from Allen-Bradley, it is essential to note that this molded case circuit breaker belongs to the G-frame series. Weighing approximately 3.08 pounds, it supports a current range with a maximum rating of 125 amps. This device comprises four poles, which helps in managing load distribution efficiently. The circuit breaker's fixed thermal and magnetic trip settings contribute to its protective features. It is designed to interrupt fault currents effectively, with a specified interrupting rating of 35 kA, ensuring safety during overload events. The thermal trip of 70 amps ensures that it can disconnect circuits during conditions of prolonged overload, while the magnetic trip can activate at 700 amps in rapid overcurrent scenarios. Furthermore, the robust electrical characteristics include an insulation voltage rating of 800 volts and an impulse withstand voltage rating of 8 kV, solidifying its performance in diverse electrical systems.

Revision Part #Also known as
140G-G3C4-C70 Ser A140G-G3C4-C70/A, Series A, Rev A
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