Description
The Siemens 5SJ4320-8HG42 SENTRON MCB is a premium 3-pole miniature circuit breaker designed to provide superior protection for both AC and DC electrical systems. With a robust 20A current rating and a Type D tripping characteristic, it is optimized for circuits experiencing high inrush currents, such as those powering motors and transformers.
This versatile MCB is rated for operation at up to 400V AC and 60V DC, offering a broad range of application possibilities. It features a significant 10 kA breaking capacity, ensuring effective interruption of fault currents to prevent damage and maintain safety. The Siemens 5SJ4320-8HG42 is built for reliability.
Designed for easy installation on standard DIN rails, this Siemens MCB integrates seamlessly into industrial control panels, distribution boards, and other electrical enclosures. Its compact footprint and user-friendly design contribute to efficient system assembly and maintenance, making it a practical choice for professionals.
For applications demanding high-performance circuit protection across both AC and DC voltages, the Siemens 5SJ4320-8HG42 SENTRON MCB is an excellent selection. Its combination of a Type D curve, high breaking capacity, and dual voltage support makes it a dependable solution for safeguarding critical infrastructure.










