SK Series is a split core current transformer, closed by screws and
nuts, it is suitable for primary currents from 250A to 6300A AC;
available in accuracy classes Class 3, 1 or 0.5
| Standards | IEC 60044-1, IEC 61869-2, VDE 0414-1, DIN57414, BS3938, BS7626, EN 61869-2 |
| CT Ratio | 250/5A to 6300/5A |
| Rated Power | Up to 30VA |
| Accuracy class | Class 3.0, Class 1.0 or Class 0.5 |
| Terminal | Screw type covered terminals |
| Case | Non-flammable self-extinguishing Polycarbonate |
| Mounting | On cable or busbar by screws |
| Primary conductor max hole size | SK58: 250/5A to 1600/5A |
| SK88: 250/5A to 2000/5A | |
| SK812: 400/5A to 3000/5A | |
| SK816: 1000/5A to 6300/5A | |
| SK820: 2000/5A to 6300/5A | |
| Ambient temperature (operation) | -25 C ~ +85 C |
| Number of input | 1 |
| Thermal rated short-time current | Ith = 60 In |
| Thermal rated continuous current | Id = 1 * In |
| Rated frequency | 50 Hz … 60 Hz |
| Surge current limitation factor | FS 5 |
| Test voltage | 3 kV for 1 min |
| Max system voltage | 0.72 kV |
| HOLE (MM) | Code | Ratio (A) | Class | Power (VA) |
| 50X80 | SK582505903 | 250/5A | 3 | 2.5 |
| SK583005903 | 300/5A | 3 | 2.5 | |
| SK584005903 | 400/5A | 3 | 2.5 | |
| SK585005903 | 500/5A | 3 | 2.5 | |
| SK586005105 | 600/5A | 1 | 5 | |
| SK587505105 | 750/5A | 1 | 5 | |
| SK588005105 | 800/5A | 1 | 5 | |
| SK5810005105 | 1000/5A | 1 | 5 | |
| SK5812005105 | 1200/5A | 1 | 5 | |
| SK5812505105 | 1250/5A | 1 | 5 | |
| SK5815005105 | 1500/5A | 1 | 5 | |
| SK5816005105 | 1600/5A | 0.5 | 10 |
