The Phoenix Contact 2800839 is a high-performance thermal-magnetic circuit breaker designed for industrial applications. Featuring a 1-position configuration with a tripping characteristic of SFB (Selective Fuse Breaking), this circuit breaker ensures reliable protection for circuits with above-average conductor lengths. Its push-in technology allows for easy installation, making it an ideal choice for safeguarding electrical systems in demanding environments. The CB TM1 4A SFB P model is engineered to provide precise overcurrent protection, enhancing the safety and efficiency of your electrical infrastructure.