... default].2. Model: 90°SF-96-3, SF-72-3.A selector switch is built into the instrument for measurement ... 120 respectively.4) 3 phase 3 wire Measuring range: 100V, 150V, 200V, 250V, 400V, 500V. 5) 3-Position: L1-L2, L1 ... -L3, L2-L3(OFF Position is available on request).6) 3 phase 4 wire ... L3, L1-N, L2-N, L3-N(OFF Position is available on request).4. Mounting: SF series is ...