ABB S403M-B20NP

The ABB S403M-B20NP is a modular automatic circuit breaker widely utilized in electrical distribution systems worldwide. It plays a critical role in safeguarding industrial installations by interrupting fault currents and preventing equipment damage.

Key Technical Features and Applications of S403M-B20NP

• Compact modular design enables efficient integration into distribution boards, optimizing space utilization in control cabinets.
• Reliable thermal-magnetic trip characteristics provide precise protection against overloads and short circuits, enhancing system stability.
• Rated for 20 amperes, making it suitable for moderate load circuits in industrial automation setups.
• DIN rail mounting facilitates straightforward installation and maintenance in standardized control panels.
• Robust construction ensures consistent performance under variable industrial conditions, improving operational reliability.

This circuit breaker is essential in protecting motor control centers and critical power supply lines, particularly in manufacturing plants and automation infrastructure.