The Doepke RCD DFS 4 040-4/0.03-B+ is a highly advanced residual current circuit breaker designed for use in single-phase and three-phase networks. With a rated residual current of 0.03 A and a rated current of 40 A, this switch provides reliable protection against dangerous residual currents that can pose a risk to people, animals, and electrical installations. The switch is suitable for mounting on a DIN rail and features a compact design that occupies only four modular units. Its robust construction and high short-circuit strength of 10 kA ensure safe operation in various environments. The DFS 4 is equipped with large double-decker terminals that allow for easy and secure connections of conductors with cross-sections up to 50 mm². Additionally, the switch is suitable for operation in a temperature range of -25 to 40 °C, making it versatile for various applications.

• Residual current circuit breaker for single-phase and three-phase networks
• Compact design with only four modular units
• High short-circuit strength of 10 kA
• Suitable for conductor cross-sections up to 50 mm²
• Operating temperature range of -25 to 40 °C.