DOLD 0055970 – IK9143.11 AC50/60HZ +/-10% 400V | JUAL DOLD 0055970 – IK9143.11 AC50/60HZ +/-10% 400V – Frequency Relay IK 9143 | Relay modules > Monitoring devices > Measuring relays / Monitoring relays > Measuring relays for main monitoring > IK 9143 > Frequency Relay > Frequency Relay IK 9143 > IK9143.11 AC50/60HZ +/-10% 400V