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As a source of reactive power, Hitachi Energy low-voltage capacitors QCap provide significant improvement of power quality and reduction in energy cost by:
QCap capacitor units are used in industrial and commercial installations for reactive power compensation applications.
Why Hitachi Energy?The low-voltage capacitor QCap from Hitachi Energy has the following features:
| Voltage range | From 220 to 690 V |
| Frequency | 50 and 60 Hz |
| Connection | Three-phase |
| Net output power | From 2.5 to 30 kvar |
| Tolerance on capacitance | 2.5-12.5 kvar: -5%/+10% 15-30 kvar: 0%/+10% |
| Losses | <0.2 Watt/kvar (dielectric only) <0.5 Watt/kvar (including discharge resistor) |
| Discharge resistor | Included. Discharge from Un to 50V in 1 minute |
| Maximum permissible current | 1.3 x In for continuous operation |
| Tolerance on voltage | 1.1 x Un for maximum 8 hours in every 24 hours (according to IEC 60831) |
| Case material | Recyclable aluminum |
| Color | Raw aluminum |
| Fixing | 1 stud (M12). Recommended torque: 10Nm |
| Dimensions (DxH) | 90x417 mm |
| Weight | 3 kg |
| Terminals | Cage screws. Recommended torque: 2Nm |
| Minimum distance above unit | 20 mm |
| Maximum distance between capacitors | 30 mm |
| Earth | Earth connection on the enclosure fixation |
| Execution | Indoor use only |
| Temperature range | -25°C/+55°C (class D according to IEC60831) |
| Altitude | Up to 2000 m without derating |
| Protection degree | IP20 |
| Standards | IEC 60831-1 (2014), IEC 60831-2 (2014), UL 810, CSA C22.2 No 190 |