Technical Parameters
Parameter Specification
Product Type AC Contactor
Model / Series UA63-30-11
Control Coil Voltage (Uc) 220–230 V AC at 50 Hz / 230–240 V AC at 60 Hz
Rated Frequency (Coil) 50 / 60 Hz
Main Circuit Rated Operational Voltage (Ue) Up to 690 V AC
Rated Insulation Voltage (Ui) 1000 V AC
Rated Impulse Withstand Voltage (Uimp) 8 kV
Number of Main Contacts 3 poles (3 NO)
Auxiliary Contacts Optional (model dependent)
Rated Operational Current (AC-3 Ie) ~65 A at 220–240 V AC
Rated Operational Current (AC-1 Ie) ~115 A at 690 V AC
Rated Operational Power (AC-3 Pe) ~18.5 kW at 230 V AC
Rated Operational Power (AC-6b Pe) ~25 kVAr at 230–240 V AC
Mechanical Durability Approx. 10 million operations
Electrical Switching Frequency Up to ~3600 cycles/hour
Coil Consumption Holding ~18 VA; Pull-in ~180 VA
Operate Time Approx. 8–27 ms (make) / 4–11 ms (break)
Terminal Type Screw / clamp terminals
Environmental / Operating Temp Typically −40 °C to +70 °C
Standards Compliance IEC 60947-4-1 compliance
The ABB UA63-30-11 is a three-pole AC contactor designed for industrial electrical control and switching applications. It is used to switch motors, capacitive loads, lighting circuits, and general AC power loads. The contactor features a coil rated to operate at 220–230 V AC for 50 Hz systems and 230–240 V AC for 60 Hz systems, making it suitable for international power networks.