| Terminals |
|---|
| Protection degree | Isolated terminals, IP20 |
|---|
| Max. torque | 2.0 Nm |
|---|
| Terminal cross section | 25 mm2 |
|---|
| Maximum terminal current | 80 A |
|---|
| Creepage distance (min) | 12.7 mm |
|---|
| Clearance (min) | 9.6 mm |
|---|
| Technical data and specifications |
|---|
| Characteristics | MKK525-D-30- 01 |
|---|
| Rated capacitance CN | 3 × 115.5 µF |
|---|
| Tolerance | –5 / +10% |
|---|
| Connection | D (Delta) |
|---|
| Rated voltage VN | 525 V AC |
|---|
| Rated frequency fN | 50 Hz |
|---|
| Output | 30 kvar |
|---|
| Rated current IR | 33 A |
|---|
| tan δ0 (dielectric) | 0.2 W / kvar |
|---|
| WN | 95 Ws |
|---|
| RS | 2.78 mΩ |
|---|
| Ris × C | 30 000 s |
|---|
| Maximum ratings |
|---|
| Vmax (up to 8 h daily) | 580 V AC |
|---|
| Vmax (up to 1 min) | 680 V AC |
|---|
| Imax | Up to 1.3 × IR (A) including combined effects of harmonics, overvoltages and capacitance tolerance |
|---|
| IS | 300 × IR (A) |
|---|
| VTC imp | 8 000 Vpk (Standard 1.2/50 µs impulse) |
|---|
| Test data |
|---|
| VTT | 1 150 V AC / 50 Hz during 10 s |
|---|
| VTC | 3 000 V AC / 50 Hz during 10 s |
|---|
| *tan δ (50 Hz) | ≤ 0.5 W / kvar |
|---|
| Design data |
|---|
| Dimensions (d x h) | 136 x 200 mm |
|---|
| Weight approx | 2.4 kg |
|---|
| Impregnation | Non-PCB, dry, inert gas |
|---|
| Fixing | Threaded bolt M12 |
|---|
| Max. torque (Al can stud) | 10 Nm |
|---|
| Mounting position | Any mounting position possible See “Maintenance and Installation Manual” for further details |
|---|
| Climatic category –40/C |
|---|
| Θmin | –40 °C |
|---|
| Θmax | +50 °C |
|---|
| Storage temperature | –40 °C … +85 °C |
|---|
| Θhotspot max | +85 °C |
|---|
| Maximum power loss at Θambient | | P max | at Θambient |
|---|
| 15.0 W | +55 °C | | 10.0 W | +65 °C | | 5.0 W | +75 °C | | 0W | +85 °C |
|
|---|
| Humidity | av. rel. < 95% |
|---|
| Degree of protection | IP 20 |
|---|
| Maximum altitude | 4 000 m |
|---|
| P max | I max 15 20 10 10 5 |
|---|
| Mean life expectancy |
|---|
| tLD | Up to 180 000 hours (temperature class –40/C); ΘHS ≤ 70°C Up to 130 000 hours (temperature class –40/D); ΘHS ≤ 70°C |
|---|
| Safety |
|---|
| Mechanical safety | Overpressure disconnector |
|---|
| Max. short circuit current | (AFC: 10 kA) |
|---|
| Discharge resistor time | ≤ 90 s to 75 V or less |
|---|
| Test duration | 6 h* |
|---|
| Frequency range 1 | 10 ... 55 Hz* |
|---|