Siemens SIRIUS 3UF7123-1BA01-0 current/voltage measuring module. Monitors supply up to 690 V AC at 50 or 60 Hz, and up to 1260 A through the internal current detection. Overload and ground-fault protection integrated. Energy measurement accuracy within +/-5 % under defined conditions (47…1260 A, 0.85x110 V…1.1x690 V, cos phi 0.5…1, 25 °C).
Direct mounting or stand-alone installation; any orientation permitted. Top and bottom clearance 30 mm; left and right 0 mm. Vibration tested to 2 g at 6-500 Hz (1 g with basic unit snapped on). Spring-cage terminals accept solid 1x (0.5-4 mm²) or 2x (0.5-2.5 mm²); stranded 1x (20-14 AWG) or 2x (20-16 AWG). Protection class IP00.
Environmental and altitude ratings
Operating temperature -25 to +60 °C; storage/transport -40 to +80 °C. Altitude derating: full rating to 2 000 m; at 3 000 m limit +50 °C, at 4 000 m limit +40 °C (no protective separation).
Compliance
IECEx certified.