Why Choose the ABB 1SFL431022R8400 UA95-30-00-84 Capacitor Contactor?
The ABB 1SFL431022R8400 is a robust and reliable capacitor switching contactor designed for power factor correction systems, capacitor banks and industrial electrical distribution applications. As part of the ABB UA capacitor contactor series, the UA95-30-00-84 provides safe and reliable switching of capacitor loads while handling high inrush currents associated with capacitor energisation.
This capacitor contactor incorporates dedicated damping resistors and early-make auxiliary contacts to limit current peaks during capacitor switching. Its specialised design helps improve system reliability and extends the service life of power factor correction equipment in industrial installations.
With a rated reactive power capability of 65 kvar at 400 V AC, 50 Hz and a 110 V AC coil, the ABB UA95-30-00-84 is suitable for capacitor bank switching applications in industrial power systems requiring dependable reactive power management.
Key Advantages
Dedicated ABB capacitor contactor solution for power factor correction systems.
65 kvar reactive power rating at 400 V AC.
Designed to withstand high capacitor inrush currents.
110 V AC coil voltage for industrial control systems.
Reliable ABB construction for demanding electrical installations.
Key Features
ABB UA95-30-00-84 capacitor contactor series.
Three-pole main contact configuration.
3 normally open main contacts.
110 V AC coil operation.
65 kvar capacitor switching capability at 400 V AC.
Designed specifically for capacitor bank switching.
Integrated resistor damping system.
Compatible with ABB power factor correction equipment.
Reliable Capacitor Switching for Industrial Power Systems
Capacitor contactors such as the ABB UA95-30-00-84 are designed to manage the connection and disconnection of capacitor banks used for power factor correction. Their specialised switching technology reduces electrical stress and helps maintain efficient operation of industrial power networks.
The ABB UA series provides engineers with dependable solutions for reactive power compensation systems. Its dedicated capacitor switching design makes it suitable for industrial facilities requiring improved energy efficiency and stable electrical performance.
Typical Applications
Power factor correction panels.
Automatic capacitor bank systems.
Industrial electrical distribution boards.
Motor compensation systems.
Manufacturing plant power management.
Industrial automation installations.
Technical Specifications
Manufacturer
ABB
Series
UA Capacitor Contactors
Model
1SFL431022R8400
Product designation
UA95-30-00-84
Product type
Capacitor switching contactor
Application
Power factor correction / capacitor switching
Number of main contacts
3 NO
Auxiliary contacts
None
Rated reactive power
65 kvar at 400 V AC, 50 Hz
Control voltage
110 V AC
Frequency
50 / 60 Hz
Rated insulation voltage
1000 V
Conventional free-air thermal current
145 A
Mounting type
Panel mounting
Terminal type
Screw connection
Dimensions (W × H × D)
approx. 90 × 123.5 × 148 mm
Weight
approx. 2 kg
Frequently Asked Questions
What is the ABB 1SFL431022R8400 used for?
The ABB 1SFL431022R8400 is a capacitor contactor used for switching capacitor banks in power factor correction systems.
What capacitor power rating does this contactor support?
The ABB UA95-30-00-84 supports capacitor loads up to approximately 65 kvar at 400 V AC and 50 Hz.
What coil voltage does the contactor require?
The contactor operates with a 110 V AC control coil.
Why are capacitor contactors different from standard contactors?
Capacitor contactors include special switching arrangements to reduce high inrush currents generated when capacitor banks are energised.
Where is this contactor typically installed?
The ABB UA95-30-00-84 is typically installed inside power factor correction panels and industrial electrical distribution systems.
Trusted by Industry Professionals Worldwide
ABB capacitor contactors are widely used by electrical engineers and industrial manufacturers to provide reliable reactive power management and efficient power factor correction solutions.
Manufacturer
ABB
Series
UA Capacitor Contactors
Model
1SFL431022R8400
Product designation
UA95-30-00-84
Product type
Capacitor switching contactor
Application
Power factor correction / capacitor switching
Number of main contacts
3 NO
Auxiliary contacts
None
Rated reactive power
65 kvar at 400 V AC, 50 Hz
Control voltage
110 V AC
Frequency
50 / 60 Hz
Rated insulation voltage
1000 V
Conventional free-air thermal current
145 A
Mounting type
Panel mounting
Terminal type
Screw connection
Dimensions (W × H × D)
approx. 90 × 123.5 × 148 mm
Weight
approx. 2 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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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...