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1SBL411022R8600 ABB UA75-30-00 400-415V 50Hz / 415-440V 60Hz 3 Pole Capacitor Switching Contactor 3NO 0 Auxiliary Contacts 400-440V Coil
ABB UA75-30-00 three-pole capacitor switching contactor with 400-415 V AC coil and 690 V AC rated operational voltage for industrial capacitor bank control applications.
£328.37
Why Choose the ABB UA75-30-00 Capacitor Switching Contactor?
The ABB UA75-30-00 (1SBL411022R8600) 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 contactor range, it is engineered to manage capacitor switching applications where high inrush currents occur during energisation.
This contactor features a robust block-type design with an AC-operated control circuit using a laminated magnet system. The UA75 series is designed for switching capacitor banks where inrush current peaks are less than or equal to 100 times the nominal RMS current, helping provide dependable operation and long electrical service life.
With a 400–415 V AC 50 Hz / 415–440 V AC 60 Hz control coil, a 690 V AC rated operational voltage and a three-pole configuration, the ABB UA75-30-00 is suitable for industrial capacitor switching and power factor correction installations.
Key Advantages
- Purpose-built capacitor switching contactor for industrial power factor correction systems.
- Three-pole contactor design for reliable capacitor bank switching.
- Designed for capacitor banks with high energisation inrush currents.
- 400–415 V AC 50 Hz / 415–440 V AC 60 Hz control voltage.
- Block-type construction for straightforward industrial installation.
- Reliable ABB design with long electrical durability.
Key Features
- ABB UA capacitor switching contactor series.
- UA75-30-00 model.
- Three main poles.
- 400–415 V 50 Hz / 415–440 V 60 Hz AC control circuit.
- 690 V AC rated operational voltage.
- AC-operated laminated magnet circuit.
- Block contactor construction.
- Compatible with ABB UA series accessories.
Reliable Capacitor Switching for Industrial Power Systems
Capacitor switching contactors are designed specifically for controlling capacitor banks used in power factor correction systems. By managing high transient currents during energisation, specialised contactors such as the ABB UA75-30-00 help improve switching reliability and protect electrical components.
The ABB UA series provides dependable switching performance for industrial electrical installations where frequent capacitor switching and long service life are required.
Typical Applications
- Industrial power factor correction systems.
- Automatic capacitor bank control panels.
- Electrical distribution systems.
- Energy management installations.
- Industrial switchboards and control cabinets.
- Power quality improvement equipment.
Technical Specifications
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| Poles | 3-pole | |
|---|---|---|
| Coil Voltage Range | 380–440 V | |
| Device Type | Capacitor Switching Contactor | |
| Coil / Supply Voltage | 400–415 V, 415–440 V | |
| Auxiliary Contacts | None | |
| Manufacturer | ABB | |
| Series | UA Capacitor Switching Contactors | |
| Model | UA75-30-00 | |
| Product type | Capacitor switching contactor | |
| Product ID | 1SBL411022R8600 | |
| Main contacts | 3 NO | |
| Auxiliary contacts | 0 NO + 0 NC | |
| Main poles | 3P | |
| Control voltage | 400–415 V 50 Hz / 415–440 V 60 Hz | |
| Rated operational voltage | 690 V AC | |
| Rated insulation voltage | 1000 V | |
| Rated impulse withstand voltage | 8 kV | |
| Rated frequency | 50 / 60 Hz | |
| Protection rating | IP20 coil terminals / IP10 main terminals | |
| Mounting type | DIN rail or screw mounting | |
| Dimensions (H × W × D) | 110 × 70 × 108 mm | |
| Weight | approx. 1.16 kg |
Frequently Asked Questions
What is the ABB UA75-30-00 used for?
This contactor is designed for switching capacitor banks in industrial power factor correction systems.
What control voltage does the UA75-30-00 require?
The UA75-30-00 uses a 400–415 V 50 Hz / 415–440 V 60 Hz AC control circuit.
How many poles does this contactor have?
The ABB UA75-30-00 is a three-pole contactor with three main normally open contacts.
What type of loads is this contactor designed to switch?
The UA75-30-00 is designed for switching capacitor banks where high inrush currents occur during energisation.
What voltage rating does the main circuit support?
The UA75-30-00 supports a rated operational voltage of up to 690 V AC.
Trusted by Industrial Electrical Engineers Worldwide
ABB UA capacitor switching contactors are widely used in industrial power correction systems to provide reliable capacitor bank control, reduced switching stress and dependable electrical performance.
