Automatic phase switch with phase voltage output 400V/2x230V+N (PF-452) Technical data Supply voltage 3×[50÷450V]+N Output voltage 400V AC / 2×230V+N Load current 16A Activation threshold - lower adjustable 150÷ 210 V - upper adjustable hysteresis from 230 ÷ 270 V. 5 V Switch-on time - adjustable 2 ÷ 10 s Voltage measurement error ± 1 % Switching time 0.5 ÷ 0.8 s Working temperature -25 ÷ 50 °C Power indication Green LED indication of selected phases 3×yellow LED Output alarm 2 × red LED Power consumption ?2W connection 2.5 mm threaded connections ? Tightening torque 0.4 Nm Dimensions 5 modules (85 mm) Mounting on TH-35 mm rail Protection class IP20.