| Terminals |
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| Protection degree | Isolated terminals, IP20 |
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| Max. torque | 2.0 Nm |
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| Terminal cross section | 25 mm2 |
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| Maximum terminal current | 80 A |
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| Creepage distance (min.) | 12.7 mm |
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| Clearance (min.) | 9.6 mm |
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| Technical data and specifications |
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| Characteristics | MKK400-D-5-01 / MKK415-D-5-01 / MKK525-D-8.3-01 |
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| Rated capacitance CN | 3 × 32.1 µF / 3 × 32.1 µF / 3 × 32.1 µF |
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| Tolerance | –5 / +10% / –5 / +10% / –5 / +10% |
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| Connection | D (Delta) / D (Delta) / D (Delta) |
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| Rated voltage VN | 400 V AC / 415 V AC / 525 V AC |
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| WN | 26 Ws |
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| RS | 9.92 mΩ |
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| Ris × C | 30 000 s |
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| Maximum ratings |
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| Vmax (up to 8 h daily) | 580 V AC |
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| Vmax (up to 1 min) | 680 V AC |
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| Imax | Up to 1.6 × IR (A) including combined effects of harmonics, overvoltages and capacitance tolerance |
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| IS | 300 × IR (A) |
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| VTC imp | 8 000 Vpk (Standard 1.2/50 µs impulse) |
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| Test data |
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| VTT | 1 150 V AC / 50 Hz during 10 s |
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| VTC | 3 000 V AC / 50 Hz during 10 s |
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| *tan δ (50 Hz) | ≤ 0.5 W / kvar |
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| Design data |
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| Dimensions (d × h) | 116 × 164 mm |
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| Weight approx | 1.1 kg |
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| Impregnation | Non-PCB, dry, inert gas |
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| Fixing | Threaded bolt M12 |
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| Max. torque (Al can stud) | 10 Nm |
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| Mounting position | Any mounting position possible See “Maintenance and Installation Manual” for further details |
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| Climatic category –40/D |
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| Θmin | –40 °C |
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| Θmax | +55 °C |
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| Storage temperature | –40 °C … +85 °C |
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| Θhotspot max | +85 °C |
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| Maximum power loss at Θambient | | P max | at Θambient |
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| 4.2 W | +55 °C | | 2.8 W | +65 °C | | 1.4 W | +75 °C | | 0W | +85 °C |
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| Humidity | av. rel. < 95% |
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| Degree of protection | IP 20 |
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| Maximum altitude | 4 000 m |
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| P max | |
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| Mean life expectancy |
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| 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 |
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| Safety |
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| Mechanical safety | Overpressure disconnector |
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| Max. short circuit current | (AFC: 10 kA) |
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| Discharge resistor time | ≤ 60 s to 75 V or less |
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| Test duration | 6 h* |
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| Frequency range 1 | 10 ... 55 Hz* |
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