ABB UA110-30-11RA-88 capacitor contactor with 230–240 V AC coil designed for reliable three phase capacitor bank switching and power factor correction applications.
£720.37
The ABB UA110-30-11RA-88 is a specialised three-phase capacitor switching contactor designed for reliable control of power factor correction capacitor banks in industrial electrical systems. As part of the ABB UA capacitor contactor series, it provides dependable switching performance for applications requiring frequent capacitor connection and disconnection.
This contactor incorporates pre-mounted damping resistors and auxiliary contacts to reduce current peaks during capacitor switching, helping protect electrical equipment and improve system reliability. It is designed for demanding low-voltage power distribution applications where controlled capacitor switching is required.
With a 230–240 V AC 50 Hz coil and a rated thermal current of 160 A, the UA110-30-11RA-88 is suitable for capacitor bank control applications in industrial power factor correction systems.
Capacitor contactors such as the ABB UA110-30-11RA-88 are designed specifically for switching capacitor banks used in power factor correction systems. Their specialised construction helps manage high transient currents associated with capacitor energisation.
The ABB UA range provides reliable switching solutions for industrial electrical networks, helping maintain efficient operation and stable power quality in low-voltage installations.
| Manufacturer | ABB |
|---|---|
| Series | UA Capacitor Contactors |
| Model | UA110-30-11RA-88 |
| Product type | Capacitor switching contactor |
| Product ID | 1SFL451024R8811 |
| Main contact configuration | 3 NO |
| Auxiliary contact configuration | 1 NO + 1 NC |
| Rated operational voltage | Up to 1000 V AC |
| Rated frequency | 50 Hz |
| Control voltage | 230–240 V AC |
| Conventional free-air thermal current | 160 A |
| Terminal type | Cable clamp |
| Mounting type | Panel mounting |
| Coil terminal protection | IP20 |
| Main terminal protection | IP10 |
| Dimensions (W × H × D) | approx. 102 × 170 × 155.6 mm |
| Weight | approx. 1.8 kg |
The ABB UA110-30-11RA-88 is a capacitor switching contactor designed for controlling capacitor banks in power factor correction systems.
The contactor operates with a 230–240 V AC 50 Hz control coil.
The UA110-30-11RA-88 has three normally open main contacts for three-phase capacitor switching.
The contactor has a conventional free-air thermal current rating of 160 A.
The contactor is typically installed in industrial power factor correction panels and low-voltage electrical distribution systems.
ABB UA capacitor contactors provide reliable switching, reduced inrush current control and durable performance for industrial power factor correction applications.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...