Rockwell Automation 140EX-KE5C3-D35MCCB K-FRAME 350A 3P TM 50KA Industrial Circuit Breaker
The A-B 140EX-KE5C3-D35MCCB K-FRAME Circuit Breaker is designed for industrial applications requiring robust protection against overloads and short circuits. This high-performance circuit breaker supports 3-phase systems and is rated for up to 350A, making it ideal for various manufacturing environments.
Brand:Rockwell Automation
Model:140EX-KE5C3-D35MCCB
Frame Size:K-FRAME
Rated Current:350A
Poles:3P
Breaking Capacity:50KA
Type:Thermal Magnetic
Certifications:Compliant with IEC 60947-2 and UL 489 standards.
This advanced circuit breaker from A-B is engineered for reliability and efficiency, designed specifically for demanding industrial settings. With its robust construction and high current capacity, this circuit breaker offers unparalleled safety and performance.
Featuring a K-FRAME design, this breaker is built to withstand harsh environments, ensuring longevity and dependable operation. The KE5C3 submodel further enhances its capabilities with precise control and exceptional performance under varying load conditions.
The 140EX series is known for its superior quality and compatibility with various industrial standards. The KE5C3-D35MCCB model integrates seamlessly with existing electrical infrastructure, providing a straightforward installation process.
Equipped with a comprehensive set of features including overload protection, short circuit tripping, and thermal-magnetic characteristics, this circuit breaker ensures the safe operation of your electrical system. Its robust design and high interrupting capacity make it an indispensable component in any industrial setting.
Installation is made easy with clear instructions and user-friendly interfaces. Whether you’re upgrading your current setup or building a new facility, the A-B 140EX-KE5C3-D35MCCB K-FRAME Circuit Breaker will meet your needs for reliable and efficient protection.




















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