DOLD 0000850 – AI 837 AC50/60HZ 2.5-5A | JUAL DOLD 0000850 – AI 837 AC50/60HZ 2.5-5A – Undercurrent Relay AI 837 | Relay modules > Monitoring devices > Measuring relays / Monitoring relays > Measuring relays for current monitoring > AI 837 > Undercurrent Relay > Undercurrent Relay AI 837 > AI 837 AC50/60HZ 2,5-5A