DOLD 0055093 – BA9837.11 200-600HZ UH 230V 50/60HZ | JUAL DOLD 0055093 – BA9837.11 200-600HZ UH 230V 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 > BA9837.11 200-600HZ UH 230V 50/60HZ