DC circuit protection devices, such as the LOCC Box by Lutze and the PISA-M by Puls, provide essential safeguarding for 24V DC control circuits and secondary power distribution systems. These solutions protect against overcurrent and short-circuits, enhancing system safety, minimizing costly downtimes, and ensuring reliable operation. With integrated real-time monitoring and remote control capabilities, they simplify maintenance, improve process efficiency, and reduce overall operational costs while saving space in control cabinets. The LOCC Box by Lutze features real-time output status indication, allowing operators to remotely monitor and manage circuit performance. This proactive approach improves process reliability, enhances operational safety, and reduces service and maintenance costs. Similarly, Puls’s PISA-M modules offer a compact and efficient solution for managing current distribution, creating isolated "power islands" that are easier to troubleshoot and maintain. These devices not only protect system components and wiring but also ensure the optimal performance and longevity of power supplies, contributing to a more robust and cost-effective system design.