### مشخصات فنی: #### Technical Data --- AC 380 V | Rated supply voltage AC260~500V(Three phase) | Operation voltage range 50/60Hz | Rated frequency 1-63A | Electric current(>A) setting range 390~500V | Overvoltage(>U) setting range 370~260V | Undervoltage (<U) setting range 63A | Rated current 0.1~30S | U and < U trip delay< 1~500S | Reset/start delay 2% | Voltage measurement accuracy 700V | Rated insulation voltage 3NO | Output contact 10 | Electrical life 10 | Mechanic life IP20 | Protection degree 3 | Pollution degree 2000m≤ | Altitude 50°C~55°C- | Operatintg temperature 50%at 40°C(without condensation) | Humidity