3UA Thermal Overload Relay 1.protects the 3TB,3TF type contactors 2,Output:3000pcs/day 3.CE,CB,ISO9001, ... open-phase4. Rated voltage:660/1000V5. Rated current:0.1~630A6. Frequency:50/60Hz7. Type:3UA50,3UA52,3UA54,3UA58,3UA59,3UA62,3UA66 ... ,3UA688.Certificate:ISO9001:2000, ISO14001:1996,CE TypeRated current (A)Rated insulation voltage (V)Current setting ...