Description
The Siemens 5SJ4120-8HG42 is a high-performance, certified Miniature Circuit Breaker (MCB) designed for reliable protection of electrical circuits. This 1-pole device features a 20A rating and a Curve D tripping characteristic, making it suitable for applications requiring higher inrush currents. It operates at 400V AC and 60V DC, offering versatility for various electrical systems.
With a significant breaking capacity of 10 kA, the Siemens 5SJ4120-8HG42 provides robust protection against dangerous overcurrents and short circuits. This ensures the safety of personnel and equipment, preventing damage and minimizing downtime. The MCB is constructed with quality materials for durability and long-term operational integrity.
This professional Siemens MCB is ideal for use in distribution boards, control panels, and industrial machinery where dependable circuit protection is essential. Its robust design and adherence to international safety standards make the Siemens 5SJ4120-8HG42 a trusted component in electrical installations. It is designed for easy installation and reliable tripping performance.
Choose the Siemens 5SJ4120-8HG42 for certified protection and peace of mind. Its combination of high breaking capacity, reliable tripping, and Siemens’ commitment to quality makes it an excellent choice for ensuring the safety and integrity of your electrical systems.







