ABB 1SBL281024R8110 UA30-30-10RA capacitor duty contactor with 24 V AC coil and 30 kvar capacitor switching capability for industrial power factor correction systems.
£212.83
The ABB 1SBL281024R8110 is a reliable capacitor duty contactor designed for switching capacitor banks in industrial power factor correction systems. As part of the ABB UA30-30-10RA contactor series, it is engineered to handle high inrush currents associated with capacitor switching while providing dependable operation in demanding electrical installations.
This contactor features a robust block design with integrated damping resistors to reduce current peaks during capacitor energisation. The UA series provides reliable switching performance, easy installation and compatibility with a wide range of ABB accessories for industrial control panels and power management applications.
With a 24 V AC coil supply, three main poles and a capacitor switching rating of up to 30 kvar, the ABB UA30-30-10RA is suitable for automatic power factor correction systems and capacitor bank control applications where reliable switching performance is required.
Capacitor duty contactors such as the ABB UA30-30-10RA are designed specifically for switching capacitor banks, where high transient currents can occur during energisation. The integrated damping resistors help control these current peaks, improving switching reliability and extending component life.
The ABB UA series is widely used in industrial power factor correction equipment, electrical distribution panels and automation systems where dependable capacitor control is essential for efficient power management.
| Manufacturer | ABB |
|---|---|
| Series | UA Capacitor Duty Contactors |
| Model | UA30-30-10RA |
| Part number | 1SBL281024R8110 |
| Product type | Capacitor duty contactor |
| Application | Capacitor switching / power factor correction |
| Rated control voltage | 24 V AC |
| Control frequency | 50 / 60 Hz |
| Number of main contacts | 3 |
| Auxiliary contacts | 1 NO |
| Rated operational voltage | up to 690 V AC |
| Capacitor switching rating | 30 kvar |
| Terminal type | Screw terminals |
| Mounting type | DIN rail / screw mounting |
| Protection rating | IP20 |
| Dimensions (W × H × D) | approx. 54 × 130 × 130 mm |
The ABB 1SBL281024R8110 is a capacitor duty contactor used for switching capacitor banks in industrial power factor correction systems.
The ABB UA30-30-10RA supports capacitor switching applications up to approximately 30 kvar.
The contactor operates with a 24 V AC coil supply at 50 / 60 Hz.
The UA30-30-10RA features three main poles and one built-in normally open auxiliary contact.
The contactor is typically installed inside electrical control panels, switchboards and automatic power factor correction equipment.
ABB UA capacitor duty contactors are trusted by electrical engineers and industrial system builders to provide reliable capacitor switching, improved power factor control and long-term operational performance.
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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...