Residual current circuit breaker, type A, 4-pole, 6 kiloamperes, C-16 amperes, 30 milliamperes, conforms to DIN EN 61009-1 (VDE 0664-20) and DIN EN 60898-1 (VDE 0641-11). Equipped with QuickConnect spring-loaded terminals for rapid installation, provides overload protection and residual current protection in a compact package. Built-in test button and indicator to verify functionality. Enables easy rail mounting and disassembly and individual labelling.