1SBL281024R8010_ABB_PRODUCT_吉林易择科技技术发展有限公司

Technical Parameters Parameter Specification Manufacturer ABB Part Number 1SBL281024R8010 Model / Type UA30-30-10RA Capacitor Duty Contactor Product Type Capacitor switching contactor Number of Poles 3 (Three-pole) Coil / Control Voltage 220 – 230 V AC (50 Hz) / 230 – 240 V AC (60 Hz) Auxiliary Contacts 1 NO (normally open) Main Contacts 3 NO Rated Operational Voltage (Ue) Up to 690 V AC Conventional Free-air Thermal Current (Ith) 16 A Rated Operational Current AC-15 e.g., ~4 A at 220–240 V Rated Operational Current DC-13 e.g., ~6 A at 24 V, ~1.1 A at 125 V Rated Insulation Voltage (Ui) 1000 V Rated Impulse Withstand Voltage (Uimp) 8 kV Operating Frequency 50 / 60 Hz Connection Type Screw terminals Mechanical / Electrical Durability High cycle life suitable for capacitor switching Ambient Temperature Range Approximately -40 °C to +70 °C (operation) Mounting Panel or DIN-rail compatible mounting features Approx. Weight ~0.81 kg Typical Application Power factor correction capacitor banks, industrial power systems

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DESCRIBE

The ABB 1SBL281024R8010 is a three-pole capacitor duty contactor, designated as UA30-30-10RA. This contactor is designed specifically for switching capacitor banks in industrial applications where very high peak currents can occur, such as power factor correction systems. It includes built-in damping resistors that help limit inrush current when capacitors are energized and supports pre-charging of capacitor circuits. The device is suitable for AC control voltages and offers robust performance and durability in demanding electrical environments.

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