Circuit Breaker 타입 = RCD Current 등급 = 160A Number of Poles = 4 Range = SENTRON Tripping Characteristics = 타입 B 시리즈 = 3VA91 Terminal Contact 타입 = Screw The Siemens residual current device RCD520B has IP 40 protection class.Group primary device 3VA11 EAC certified