Rated voltage | Un | kV | 12 | 17.5 | 24 | 36 |
Rated current | In | A | 400 | 630 | 1250 | 400 | 630 | 1250 | 400 | 630 | 1250 | 630 | 800 | 800 |
| I | A | 400 | 630 | 1150 | 400 | 630 | 1150 | 400 | 630 | 1150 | 630 | 800 | 1000 |
Peak withstand current | Ima | kA peak. | 67 | 67 | 67 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 | 50 |
Peak withstand current | Idyn | kA peak. | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 82 | 66 | 66 | 66 |
Short time current 1 sec. | Ith | kA eff. | 31.5 | 31.5 | 31.5 | 31.5 | 31.5 | 31.5 | 31.5 | 31.5 | 31.5 | | | |
2 sec. | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 | 25 |
3 sec. | 20 | 20 | 20 | | | | 16 | 16 | 16 | | | |
Mainly active load breaking capacity1)(test duty 1 and 2, IIEC 60265-1 (IEC 265)) | I | A | 400 | 630 | 1250 | 400 | 630 | 1250 | 400 | 630 | 1250 | 630 | 800 | 800 |
Rated cable/line charging breaking capacity IEC 60265-1(IEC 265)) | I | A | 150 | 150 | 150 | 1005 | 1005 | 1005 | 80 | 80 | 80 | 45 | 45 | 45 |
Mainly inductive breaking capacity cos φ = 0,15 | | A | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 163 | 163 | 163 |
Rated earth fault breaking capacity IEC 60265-1(IEC 265) | | | | | | | | | | | | | | |
Earth fault breaking capacity, fig. 6 | I | A | 150 | 150 | 150 | 70 | 70 | 70 | 75 | 75 | 75 | | | |
Capacitive breaking capacity, fig. 7 | I | A | 90 | 90 | 90 | 40 | 40 | 40 | 31.5 | 31.5 | 31.5 | 50 | 50 | 50 |
Max. breaking capacity in co-operation with fuses IEC 62271-105 (IEC 420 1990-11) | | A | 1600 | 1600 | | 1600 | 1600 | | 900 | 900 | | 300* |
Max. fuse size2) | In | A | 125 | 125 | | 125 | 125 | | 80 | 80 | | 40 | 40 |
Power frequency withstand voltage 50 Hz 1 min.: | | | | | | | | | | | | | | |
- to earth and between poles | | kV | 42 | 45 | 55 | 80 |
- across isolating distance | | kV | 42 | 60 | 70 | 88 |
Impulse withstand voltage 1.2/50 µs: | | | | | | | | | | | | | | |
- to earth and between poles | | kV | 75 | 95 | 125 | 170 |
- across isolating distance | | kV | 85 | 110 | 145 | 195 |
Pole distance | | mm | 150, 170, 210 | 170, 210 | 1704), 235, 275 | 360 |
Max. operating torque at: | | | | 80-100 Nm |
- closing K/A mech. | | Nm | 115-120 Nm | K mech. 80-100 Nm |
- opening K/A mech. | | Nm | K mech. 120 Nm/A mech. 3 Nm | / A mech. 3 Nm |
Operating angle on the shaft | | degrees | 130 | 120 |
Arc time | | ms | 40-60 | 60 |