SIEMENS 5SX21 & 5SX9 Circuit Breakers 230/400V

The SIEMENS 5SX21 and 5SX9 circuit breakers are part of the SIEMENS 5SX series, which is designed for low-voltage electrical installations. These breakers are primarily utilized in residential, commercial, and industrial settings for protecting electrical circuits from overload and short-circuit conditions. The 5SX series was developed with the aim of enhancing safety and efficiency in electrical systems. They are characterized by their compact design, making them suitable for installation in various environments where space might be limited. Key features of the 5SX21 and 5SX9 breakers include: - High breaking capacity to manage electrical faults effectively. - Easy installation and maintenance due to standard mounting sizes. - Dual voltage ratings of 230/400V, making them versatile for different applications. These breakers are designed to comply with international safety standards, providing reliable protection for electrical systems. Their robust construction ensures durability and longevity, making them a preferred choice among electrical engineers and contractors.