DOLD 0062759 – RK9871.72 3/N AC400/230V 50/60HZ | JUAL DOLD 0062759 – RK9871.72 3/N AC400/230V 50/60HZ – Undervoltage Relay RK 9871 | Relay modules > Monitoring devices > Measuring relays / Monitoring relays > Measuring relays for voltage monitoring > RK 9871 > Undervoltage relay > Undervoltage Relay RK 9871 > RK9871.72 3/N AC400/230V 50/60HZ