Siemens-Sirius-Analogue-Fill-Level-Monitoring-Relay-SPDT-CO-DIN-Rail-Siemens-3UG4501-1AW30-p-This-analogue-relay-is-primarily-used-for-fill-level-monitoring-Features-include-2-to-200k-Omega-adjustable-response-with-a-0-5-to-10s-delay-time-p-Siemens-3UG4501-1AW30-Fill-Level-Monitoring-Relay