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Allen Bradley 140G MCB 140G-G3C4-D12

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140G-G3C4-D12

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The 140G-G3C4-D12 is an efficient molded case circuit breaker engineered by Allen-Bradley, under the Rockwell Automation brand. This unit has a G frame designation and operates at a rated current of 125 amps, ensuring reliability for various 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-D12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-G3C4-D12
Weight3.00 lbs (1.36 kg)
FrameG
Amps125
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range125 A
Rated Insulation Voltage800 V
Rated Impulse Withstand Voltage8 kV
Thermal Trip125 A
Magnetic Trip1250 A
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The part number 140G-G3C4-D12 by Allen-Bradley is classified as a molded case circuit breaker designed for efficient operation in various electrical systems. This device is rated for a maximum current of 125 amps and is structured with a G-frame profile. With four poles, this circuit breaker ensures thorough coverage for multi-phase applications.

This circuit breaker has a significant interrupting capacity of 35 kA, making it suitable for handling fault conditions. Protection is provided through its fixed thermal and magnetic trip functions, offering a reliable response to overcurrent conditions. The thermal trip setting is set at 125 A, while the magnetic trip is configured for 1250 A, allowing for flexible operation under different load conditions.

The device boasts a rated insulation voltage of 800 V, ensuring safety and functionality in high-voltage environments. It can also withstand an impulse voltage of up to 8 kV, enhancing its durability against voltage surges. Weighing in at 3.08 lbs, the 140G-G3C4-D12 is designed for straightforward integration within various setups, fulfilling essential protection roles in feeder and control circuits.

Revision Part #Also known as
140G-G3C4-D12 Ser A140G-G3C4-D12/A, Series A, Rev A
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