DOLD 0056009 – SK9143.11 AC50/60HZ +/-10% 230V | JUAL DOLD 0056009 – SK9143.11 AC50/60HZ +/-10% 230V – Frequency Relay SK 9143 | Relay modules > Monitoring devices > Measuring relays / Monitoring relays > Measuring relays for main monitoring > SK 9143 > Frequency Relay > Frequency Relay SK 9143 > SK9143.11 AC50/60HZ +/-10% 230V