Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1SBL351022R8611 ABB UA50-30-11 400-415V 50Hz Contactor
ABB UA50-30-11 1SBL351022R8611 three-pole capacitor switching contactor with a 400–415 V AC 50 Hz control coil, 3 NO main contacts and 1 NO + 1 NC auxiliary contacts for industrial power factor correction applications.
£225.78
Why Choose the ABB UA50-30-11 400-415V 50Hz Contactor?
The ABB UA50-30-11, order code 1SBL351022R8611, is a three-pole capacitor switching contactor designed for switching three-phase capacitor banks in industrial power factor correction systems. Part of ABB's UA contactor range, it is engineered specifically for the demanding inrush-current conditions associated with capacitor energisation.
The UA50-30-11 provides three normally open main contacts together with 1 NO + 1 NC auxiliary contacts, supporting both power switching and control or signalling functions. Its dedicated capacitor-contactor design makes it suitable for power factor correction installations where conventional contactors may not be appropriate for the high transient currents produced when capacitors are switched.
This exact 1SBL351022R8611 version has a 400–415 V AC, 50 Hz control coil. It is a genuine ABB industrial control component with a net weight of approximately 1.20 kg and EAN 3471522085863, providing clear identification for maintenance, replacement and new-build applications.
Key Advantages
- Purpose-designed three-phase capacitor switching contactor.
- 400–415 V AC, 50 Hz control coil.
- Three normally open main contacts for three-phase switching.
- Integrated 1 NO + 1 NC auxiliary contacts.
- Designed for the demanding switching conditions associated with capacitor banks.
- Suitable for automatic power factor correction and reactive power compensation systems.
- Exact ABB order code 1SBL351022R8611 supports accurate product identification.
Key Features
- ABB UA50-30-11 capacitor contactor.
- 3-pole contactor configuration.
- 3 NO main contacts.
- 1 NO + 1 NC auxiliary contacts.
- 400–415 V AC at 50 Hz control supply.
- AC-operated electromagnetic contactor design.
- Engineered for capacitor bank switching.
- Suitable for industrial power factor correction equipment.
- Approximate net weight of 1.20 kg.
- ABB order code 1SBL351022R8611.
Reliable Capacitor Bank Switching
Capacitor banks can produce substantial transient currents when energised, requiring switching devices specifically designed for this duty. The ABB UA50-30-11 is engineered as a capacitor contactor, providing dependable three-phase switching for power factor correction and reactive power compensation equipment.
The combination of three normally open main poles, integrated 1 NO + 1 NC auxiliary contacts and a 400–415 V AC, 50 Hz coil makes this exact UA50-30-11 version suitable for industrial control systems designed around this control voltage. Correctly matching the contactor to the capacitor bank and control supply supports reliable long-term operation.
Typical Applications
- Automatic power factor correction panels.
- Three-phase capacitor bank switching.
- Industrial reactive power compensation systems.
- Electrical distribution and switchgear panels.
- Manufacturing plant power factor correction equipment.
- Industrial electrical control installations.
Technical Specifications
| Series | UA |
|---|---|
| ABB order code | 1SBL351022R8611 |
| Product group | 311503-Contactors A Small (Frctl) |
| Product type | Capacitor switching contactor |
| Number of main poles | 3 |
| Main contact configuration | 3 NO |
| Auxiliary contact configuration | 1 NO + 1 NC |
| Rated control circuit voltage | 400–415 V AC |
| Control frequency | 50 Hz |
| Control circuit operation | AC |
| Application | Capacitor bank switching |
| Net weight | approx. 1.20 kg |
| EAN | 3471522085863 |
Frequently Asked Questions
What is the ABB UA50-30-11 1SBL351022R8611 used for?
The ABB UA50-30-11 is a three-pole capacitor switching contactor designed for switching capacitor banks in industrial power factor correction and reactive power compensation systems.
What control voltage does the UA50-30-11 1SBL351022R8611 use?
This exact UA50-30-11 version is specified for a 400–415 V AC, 50 Hz control supply.
How many main contacts does the ABB UA50-30-11 have?
The UA50-30-11 has three normally open main contacts, providing three-pole switching for three-phase capacitor bank applications.
Does the UA50-30-11 include auxiliary contacts?
Yes. The UA50-30-11 includes 1 normally open and 1 normally closed auxiliary contact for control and signalling functions.
What is the ABB order code for this 400-415 V 50 Hz UA50-30-11?
The ABB order code for this UA50-30-11 400–415 V AC, 50 Hz contactor is 1SBL351022R8611.
Trusted Industrial Switching from ABB
ABB UA contactors provide purpose-designed switching for industrial capacitor banks, supporting dependable power factor correction and reactive power compensation in demanding electrical installations.
