Metz Connect Control Relays Monitoring relay 623069 - Metz Connect 110271, The Metz Connect 110271 monitoring relay operates at 230 V AC and features two change-overs. This device ensures reliable electrical monitoring in various circuit applications. It is typically used in automation and control systems to monitor voltage levels. Metz Connect 110271 Monitoring Relay 230V AC 2-Change-overs 1 piece