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.
1SBL371024R8600 ABB UA63-30-00RA 400-415V 50Hz / 415-440V 60Hz 3 Pole Capacitor Switching Contactor 3NO Main Contacts
ABB UA63-30-00RA capacitor switching contactor with 400-415 V AC coil, three poles and integrated damping resistors for industrial capacitor bank control applications.
£340.32
Why Choose the ABB UA63-30-00RA Capacitor Switching Contactor?
The ABB UA63-30-00RA (1SBL371024R8600) is a specialised three-pole capacitor switching contactor designed for reliable control of capacitor banks in industrial power factor correction systems. As part of the ABB UA..RA contactor range, it is engineered to handle high inrush currents during capacitor energisation while providing dependable switching performance in demanding electrical installations.
This contactor includes integrated damping resistors that reduce peak current during capacitor switching operations. The front-mounted resistor block provides controlled capacitor precharging, helping limit energisation surges and improving the reliability of capacitor bank switching without requiring additional inductances.
With a 400–415 V AC 50 Hz / 415–440 V AC 60 Hz control coil and a main circuit rating of up to 690 V AC, the ABB UA63-30-00RA is ideal for industrial power correction systems requiring dependable capacitor switching.
Key Advantages
- Purpose-built capacitor switching contactor for industrial power factor correction systems.
- Three-pole contactor design for reliable capacitor bank control.
- Integrated damping resistors reduce capacitor switching current peaks.
- 400–415 V AC 50 Hz / 415–440 V AC 60 Hz control voltage for industrial applications.
- Designed for installations where peak current can far exceed 100 times nominal RMS current.
- Robust ABB construction for reliable industrial operation.
Key Features
- ABB UA..RA capacitor switching contactor series.
- UA63-30-00RA model.
- Three main poles.
- 400–415 V 50 Hz / 415–440 V 60 Hz AC control circuit.
- 690 V AC rated operational voltage for the main circuit.
- Integrated front-mounted damping resistor block.
- AC operated control circuit with laminated magnet circuit.
- Block contactor design with accessory compatibility.
Reliable Capacitor Switching for Industrial Power Systems
Capacitor switching contactors are designed to control capacitor banks used in power factor correction applications. By managing high transient currents during energisation, specialised contactors such as the ABB UA63-30-00RA help improve switching reliability and protect electrical components.
The UA..RA series combines robust mechanical construction with integrated damping technology, making it suitable for industrial electrical installations requiring frequent capacitor switching operations and dependable performance.
Typical Applications
- Industrial power factor correction systems.
- Automatic capacitor bank control panels.
- Electrical distribution systems.
- Industrial energy management installations.
- Switchboards and control cabinets.
- Heavy-duty industrial electrical equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Poles | 3-pole | |
|---|---|---|
| Coil Voltage Range | 380–440 V | |
| Coil / Supply Voltage | 400–415 V, 415–440 V | |
| Device Type | Contactor | |
| Manufacturer | ABB | |
| Series | UA..RA Capacitor Switching Contactors | |
| Model | UA63-30-00RA | |
| Product type | Capacitor switching contactor | |
| Product ID | 1SBL371024R8600 | |
| Main contacts | 3 NO | |
| Main poles | 3P | |
| Control voltage | 400–415 V 50 Hz / 415–440 V 60 Hz | |
| Rated operational voltage | 690 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Rated operational power AC-6b | 30 kvar at 230 / 240 V AC, 40 °C | |
| Protection rating | IP20 coil terminals / IP10 main terminals | |
| Standards | IEC/EN 60947-1, IEC/EN 60947-4-1 | |
| Dimensions (H × W × D) | 150 × 70 × 140.4 mm | |
| Weight | approx. 1.35 kg |
Frequently Asked Questions
What is the ABB UA63-30-00RA used for?
This contactor is designed for switching capacitor banks in industrial power factor correction and electrical distribution applications.
What control voltage does the UA63-30-00RA require?
The UA63-30-00RA uses a 400–415 V 50 Hz / 415–440 V 60 Hz AC control circuit.
How many poles does this contactor have?
The ABB UA63-30-00RA is a three-pole contactor with three main normally open contacts.
What makes this contactor suitable for capacitor switching?
The contactor includes integrated damping resistors that reduce current peaks when capacitor banks are energised.
What voltage rating does the main circuit support?
The UA63-30-00RA supports a rated operational voltage of up to 690 V AC for the main circuit.
Trusted by Industrial Electrical Engineers Worldwide
ABB UA..RA capacitor switching contactors are widely used in industrial power correction systems to provide reliable capacitor bank control, reduced switching stress and dependable electrical performance.
