"Stern-Dreieck" Starter

Star-delta starter is used in AC 50Hz (or 60Hz), rated isolate voltage 690V, control power is up to 80KW three phase case conduct motor under rated work voltage 380V and AC-3, for taking control motor stator winding team from star type into delta type reverse startoperate and stop. Equip with corresponding specifications of thermal relay, can achieve protecting motor overload and breaking phaseThe product is not adapt reverse protection and category AC-4. type /parameters QJX4-12dQJX4-18dQJX4-25dQJX4-32dQJX4-40dQJX4-50dQJX4-65dQJX4-80dQJX4-95dQJX4-12QJX4-16QJX4-18QJX4-25QJX4-32QJX4-40QJX4-50QJX4-63QJX4-80QJX4-95rated current le(AC-3 380V)A20273143556986109112138164rated insulation voltageUV690rated voltageUV380. 660standardIEC60947-4-1 GB-14048.4AC-3380V electrical life span( times)4×1042.5×1042×1041.5×104machinery life span (times)30104operate frequencyh-1 30auxiliary circuit rated voltage VAC 380DC 220auxiliary circuit conventional thermal current A10auxiliary circuit connectable min load24V 10mAcoilrated control voltage Us24.48.110.220.380pick-up voltage Us0.85 1.1drop-out voltage Us0.2 0.75weight (Kg)1.51.81.71.824.364.364.364.365.205.20