Battery symmetry monitor BA 9054/331 The battery symmetry monitor BA 9054/331 and BA 9054/332 of the VARIMETER series monitors battery systems with centre tapping for faults. Early detection of impending failtures and preventive maintenance prevent costly damage and as a user you benefit from the operational safety and high availability of your system. Advantages . Preventive maintenance . For better productivity . High repeat accuracy . Large battery voltage ranges up to DC 500 V Features . According to IEC/EN 60255-1 . To monitor for battery systems (emergency power supply) . Measuring rang DC 0.12 ... 1.2 V, 0.2 ... 2 V or 1 ... 10 V . Goldplated contacts to switch low loads . With time delay 10 s . LED indicators for operation and contact position . Width: 45 mm . For battery voltages up to 300 V . Without separately auxiliary voltage . 2 changeover contacts Technical specifications Width: 45mm Operate delay: Yes Enclosure design: Switch cabinet 1- / 3-phase: 1 Output contacts: 2 C/O contacts Auxiliary voltage: Without Type: BA 9054/331 Nominal voltage max.: DC 220V Manufacturer: E. Dold & Söhne GmbH & Co. KG Type: BA9054/331 DC0,12-1,2V UH DC24-60V Art. No.: 0056172