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Allen Bradley 140G MCB 140G-H3C4-C40

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140G-H3C4-C40

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The 140G-H3C4-C40 molded case circuit breaker from Allen-Bradley is designed to deliver dependable circuit protection. It features a maximum current rating of 125 Amps and an interrupting capacity of 35 kA, making it suitable for various electrical 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-H3C4-C40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3C4-C40
Weight3.00 lbs (1.36 kg)
FrameH
Amps125
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range40 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The 140G-H3C4-C40 is an advanced molded case circuit breaker by Rockwell Automation, offered under the Allen-Bradley brand. It possesses a robust design capable of handling a maximum current of 125 amps. Given its four-pole configuration, this unit ensures comprehensive circuit management in various setups.

The 35 kA interrupting rating provides excellent protection against fault conditions, enabling reliable operation under demanding circumstances. Incorporating fixed thermal and magnetic protection mechanisms, this device is built to protect sensitive electronic equipment.

The current range for the 140G-H3C4-C40 is rated at 40 A, and it operates at a rated insulation voltage of 1000 volts, ensuring safety in numerous applications. Its rated impulse withstand voltage reaches 8 kV, which prevents damage from unforeseen electrical surges. At a weight of 3.53 pounds, this circuit breaker offers a compact design without sacrificing protective capabilities.

With a mechanical life expectancy of 240 operations per hour and an electrical life of 120 operations per hour, the 140G-H3C4-C40 is engineered for durability and performance, making it a vital component in industrial control systems.

Revision Part #Also known as
140G-H3C4-C40 Ser A140G-H3C4-C40/A, Series A, Rev A
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