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1SBL411024R8900 ABB UA75-30-00RA 110-115V 50Hz / 115-127V 60Hz 3 Pole Capacitor Switching Contactor 3NO 0 Auxiliary Contacts 110-127V Coil
ABB 1SBL411024R8900 UA75-30-00RA three-pole capacitor contactor with 110–115 V AC 50 Hz / 115–127 V AC 60 Hz coil supply and integrated damping resistors for capacitor switching applications.
£383.62
Why Choose the ABB 1SBL411024R8900 UA75-30-00RA Capacitor Contactor?
The ABB 1SBL411024R8900 is a robust and reliable three-pole capacitor switching contactor designed for industrial power factor correction systems and capacitor bank switching applications. As part of the ABB UA..RA capacitor contactor range, it is specifically developed to handle high inrush currents during capacitor energisation while providing dependable switching performance in industrial electrical installations.
This capacitor contactor includes integrated damping resistors that limit current peaks during switching operations and supports reliable operation in demanding reactive power compensation systems. The UA..RA series is designed for capacitor applications where peak currents can significantly exceed normal RMS current levels.
With a 110–115 V AC 50 Hz / 115–127 V AC 60 Hz control supply, 3 main poles, integrated damping resistors and a 690 V AC rated operational voltage, the ABB 1SBL411024R8900 is suitable for industrial capacitor banks and power factor correction systems.
Key Advantages
- Specialised capacitor contactor designed for power factor correction applications.
- 3 main poles for reliable capacitor bank switching.
- Integrated damping resistors to reduce capacitor switching current peaks.
- 110–115 V AC 50 Hz / 115–127 V AC 60 Hz control supply.
- Designed for demanding industrial power systems.
- Compatible with ABB UA..RA contactor accessories.
Key Features
- ABB UA75-30-00RA capacitor contactor series.
- 3 main contact configuration.
- 110–115 V AC 50 Hz / 115–127 V AC 60 Hz control circuit.
- 690 V AC rated operational voltage.
- Integrated damping resistor system for capacitor switching.
- Block-type contactor construction.
- AC operated laminated magnet circuit.
- Designed for reactive power compensation systems.
Reliable Capacitor Switching for Industrial Power Systems
Capacitor contactors such as the ABB 1SBL411024R8900 are designed to switch capacitor banks safely and reliably while controlling high inrush currents. Integrated damping resistors help protect electrical components and improve switching performance in power factor correction installations.
The ABB UA..RA capacitor contactor range provides engineers with dedicated switching solutions for reactive power compensation, industrial electrical distribution and demanding power management applications.
Typical Applications
- Power factor correction systems.
- Industrial capacitor banks.
- Reactive power compensation equipment.
- Electrical distribution panels.
- Industrial power management systems.
- OEM electrical control assemblies.
Technical Specifications
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| Terminal Type | Screw | |
|---|---|---|
| Coil Voltage Range | 100–130 V | |
| Device Type | Capacitor Switching Contactor | |
| Poles | 3-pole | |
| Coil / Supply Voltage | 110 V AC, 115 V AC, 120 V AC | |
| Coil Type | AC | |
| Manufacturer | ABB | |
| Series | UA..RA Capacitor Contactors | |
| Model | 1SBL411024R8900 | |
| Type | UA75-30-00RA | |
| Product type | Capacitor switching contactor | |
| Number of main contacts | 3 | |
| Auxiliary contacts | 0NO + 0NC | |
| Number of poles | 3P | |
| Control voltage | 110–115 V AC 50 Hz / 115–127 V AC 60 Hz | |
| Rated operational voltage | 690 V AC | |
| Mounting type | DIN rail / panel mounting | |
| Connection type | Screw terminals | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 150 × 70 × 140.4 mm | |
| Weight | approx. 1.35 kg |
Frequently Asked Questions
What is the ABB 1SBL411024R8900 used for?
The ABB 1SBL411024R8900 is a capacitor contactor designed for switching capacitor banks in industrial power factor correction systems.
What control voltage does this capacitor contactor require?
The contactor uses a 110–115 V AC 50 Hz / 115–127 V AC 60 Hz control supply.
How many main poles does this contactor have?
The ABB 1SBL411024R8900 has three main poles for capacitor switching applications.
Why does this contactor include damping resistors?
The integrated damping resistors reduce capacitor energisation current peaks, helping protect electrical components during switching operations.
Where is this capacitor contactor typically installed?
The contactor is typically installed inside industrial electrical panels, capacitor banks and power factor correction systems.
Trusted by Industrial Power Engineers
ABB UA..RA capacitor contactors are widely used by electrical engineers and system builders to provide reliable capacitor switching and improved performance in industrial power correction systems.
