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Allen Bradley 140G MCB 140G-G3C4-C40

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140G-G3C4-C40

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The Allen-Bradley 140G-G3C4-C40 is a reliable molded case circuit breaker designed for effective electrical protection. Rated at 125 amps, this device features a robust interrupting capacity of 35 kA and uses a 4-pole configuration for versatile applications. Its enclosing frame is designated as type G, ensuring compatibility with various industrial setups.

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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-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-G3C4-C40
Weight3.00 lbs (1.36 kg)
FrameG
Amps125
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range40 A
Rated Insulation Voltage800 V
Rated Impulse Withstand Voltage8 kV
Thermal Trip40 A
Magnetic Trip500 A
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The Allen-Bradley 140G-G3C4-C40 circuit breaker is a molded case type that delivers comprehensive overload and short-circuit protection. It utilizes a G-frame to handle a maximum current rating of 125 amps. The device consists of four poles, which aid in providing versatile circuit configurations. Users benefit from both fixed thermal and fixed magnetic trip options, with the thermal trip set at 40 A and the magnetic trip capable of activating at 500 A.

Designed to manage significant electrical stresses, the breaker is rated with an interrupting capacity of 35 kA. This capability ensures that the circuit breaker can safely interrupt fault currents without compromising safety. Moreover, the rated insulation voltage of this unit reaches 800 V, making it suitable for demanding environments. The impulse withstand voltage is specified at 8 kV, demonstrating the device's capacity to endure surges and transients. With a total weight of 3.08 lb, this circuit breaker is an efficient choice for installation in a variety of applications.

Revision Part #Also known as
140G-G3C4-C40 Ser A140G-G3C4-C40/A, Series A, Rev A
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