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) |
| 80X200 | SK82020005207 | 2000/5A | 0.5 | 10 |
| SK82025005209 | 2500/5A | 0.5 | 15 | |
| SK82030005209 | 3000/5A | 0.5 | 15 | |
| SK82040005212 | 4000/5A | 0.5 | 30 | |
| SK82050005212 | 5000/5A | 0.5 | 30 | |
| SK82060005212 | 6000/5A | 0.5 | 30 | |
| SK82063005212 | 6300/5A | 0.5 | 30 |
