DOLD 0054434 – BA9837.11 5-15HZ UH AC230V 50/60HZ | JUAL DOLD 0054434 – BA9837.11 5-15HZ UH AC230V 50/60HZ – Frequency Relay BA 9837 | Relay modules > Monitoring devices > Measuring relays / Monitoring relays > Measuring relays for main monitoring > BA 9837 > Frequency Relay > Frequency Relay BA 9837 > BA9837.11 5-15HZ UH AC230V 50/60HZ