The PHOENIX CONTACT CBM E4 24DC/0.5-10A NO-R is a multi-channel electronic device circuit breaker designed for protecting up to four loads at 24 V DC from overload and short circuit. It features active current limitation to ensure the safe operation of your equipment. This circuit breaker is equipped with a nominal current assistant, which aids in setting the appropriate nominal currents for your loads. Additionally, it has electronic locking to prevent unauthorized adjustments to the set nominal currents.Installation is made easy with the ability to mount the CBM E4 on DIN rails, allowing for efficient and organized integration into your electrical setup. With its reliable protection features, this circuit breaker offers peace of mind and ensures the longevity of your equipment.