A-B 140U-M5D3-D50M Molded Case Circuit Breaker – Breaker
The Rockwell A-B 140U-M5D3-D50M is a high-performance molded case circuit breaker designed for industrial applications requiring robust protection against overloads and short circuits. This breaker ensures reliable electrical system operation in various industrial settings.
Rated Current:500A
Voltage Rating:690V AC
Interrupting Capacity:50kA at 480V
Breaking Capacity:150kA
Incorporated Protection:Thermal and Magnetic
Mechanical Life Expectancy:10,000 cycles
Electrical Life Expectancy:2,000 cycles
Certifications:CE, UL, CSA
Form Factor:Frame Molded Case
Brand:Rockwell Automation
The A-B 140U-M5D3-D50M Molded Case Circuit Breaker is an essential component for ensuring the safety and reliability of electrical systems in industrial settings. Its robust design makes it suitable for demanding applications where consistent performance is critical.
This circuit breaker features a Type D trip characteristic, which means it is specifically designed to handle high inrush currents common in motor and lighting circuits. This ensures precise protection against short circuits and overloads.
The unit is built to withstand harsh industrial conditions with its IP20 ingress protection rating, protecting against solid objects larger than 12.5mm and vertical dripping water. This makes it ideal for use in manufacturing plants, commercial buildings, and other industrial environments.
With a rated current of 50A and a voltage rating up to AC 690V, this breaker can handle a wide range of electrical loads, making it versatile for various industrial applications. Its interrupt capacity of 50kA at 415V further enhances its effectiveness in protecting circuits from dangerous faults.
Installation is straightforward, thanks to its panel mount design, allowing for easy integration into existing electrical panels. Its mechanical and electrical life of 10,000 operations each ensures long-term reliability and minimal maintenance.
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