Compared to fully controlled semiconductor devices, thyristors offer advantages in terms of power loss, cost, and surge current tolerance, making them an increasingly popular choice for designing DC circuit breakers. To address the common issues found in existing thyristor solid-state DC circuit breakers, such as poor controllability, low reliability, high conduction losses, and the inability to meet reclosing requirements, a new solid-state DC circuit breakers with fast reclosing capability is proposed. First, the circuit structure and working principle are introduced, and then the mathematical models are established and the parameter design principles of each component are provided. Next, the performance and cost of the topology are compared with the existing schemes, and the electrical stress of the key components in each scheme is analyzed through simulation. Finally, a prototype testing platform is built. Experimental results show that the proposed topology can reliably interrupt fault current, and effectively ensure the safe reclosing in DC systems.