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.
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
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.
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
No documents available for this product.
Delivery
We offer fast UK delivery on all stocked items. Orders placed before 3pm Monday to Friday are eligible for next-day delivery.
Standard delivery: 2–3 working days
Next-day delivery: available on in-stock items when ordered before 3pm
Express options available — contact us for details
Returns
If you need to return an item, please contact our sales team within 30 days of receipt. Items must be returned unused in their original packaging.
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Customers supported
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...