35kV indoor epoxy resin cast current transformer for power grid metering. Dual windings for 0.2S high-precision metering and protection. Rated output 10-15VA, wide primary current range. Compliant with IEC 61869 and GB/T 20840 standards. Ultra-low partial discharge ensures long-term metering accuracy. Vacuum epoxy casting, compact pillar design, excellent insulation performance. Suitable for 35kV grid metering applications, customizable ratio.
Indoor 35kV epoxy cast current transformer with 0.2S metering accuracy, dual windings, and IEC compliance. Suitable for grid metering applications.
| Paramètre | Spécification | Vérification |
|---|---|---|
| Type de produit | Current Transformer | IEC 61869, GB/T 20840 |
| Code modèle | LJZN1-35 | Marquage de la plaque constructeur |
| Tension primaire | 35kV | Essai de tension nominale (IEC 61869-1/3) |
| Tension secondaire | 5A or 1A | Vérification du rapport à la fréquence nominale |
| Classe de précision | 0.2S metering class | Essai de précision (IEC 61869-2 / IEEE C57.13) |
| Charge nominale | 10-15VA | Essai de charge à la puissance VA nominale |
| Type d'isolement | Dry Epoxy Resin | Essais diélectriques selon la norme |
| Niveau d'isolement (BIL) | [On Request] | Tenue à fréquence industrielle et au choc de foudre |
| Normes | IEC 61869, GB/T 20840 | Certifié selon les normes listées |
| Fréquence | 50/60Hz | Selon IEC 61869-1 |
| Environnement | Indoor pillar-type epoxy resin cast | Selon les limites de la fiche technique |
Idéal pour
Non recommandé pour
For current transformer: secondary terminals 1S1/1S2 for metering winding, 2S1/2S2 for protection winding. Never open-circuit the secondary of a CT while energized - hazardous voltage. Ground the secondary winding at one point. Follow IEC 61869 terminal conventions.
Conforme à : IEC 61869, GB/T 20840
S_total = ΣS_instrument + I₂² × (ρ × 2L / A)
Q : What is the accuracy class of this CT?
R : 0.2S metering class.
Q : What is the rated burden?
R : 10-15VA.
Q : Is it suitable for outdoor use?
R : No, it is designed for indoor use only.
Les champs manquants sont marqués [On Request] — jamais inventés. Les lignes de vérification M2/M5/M6 suivent les conventions IEC 61869 / IEEE C57.13.
| Voltage class (kV) | Rated primary current (A) | Accuracy classCombined | Rated output (VA) | Rated dynamic current (kA) | Short-time thermal current (kA) | Rated output (VA) | Rated dynamic current (kA) | Short-time thermal current (kA) |
|---|---|---|---|---|---|---|---|---|
| 10, 20 | 20 | 0.2S | 10 | 5 | 2 | 5 | 2 | 12.5 |
| 10, 20 | 30 | 0.2S | 10 | 5 | 2 | 5 | 2 | 20 |
| 10, 20 | 40 | 0.2S | 10 | 5 | 2 | 5 | 2 | 20 |
| 10, 20 | 50 | 0.2S | 10 | 5 | 2 | 5 | 2 | 40 |
| 10, 20 | 75 | 0.2S | 10 | 5 | 2 | 5 | 2 | 40 |
| 10, 20 | 100-200 | 0.2S | 10 | 5 | 2 | 20 | 2 | 65 |
| 10, 20 | 300-500 | 0.2S | 10 | 5 | 2 | 25 | 4 | 63 |
| 10, 20 | 600-750 | 0.2S | 10 | 5 | 2 | 31.5 | 4 | 100 |
| 10, 20 | 1000-2000 | 0.2S | 10 | 5 | 2 | 40 | 4 | 100 |
| 10, 20 | 50 | 0.2S | 15 | 5 | 2 | 40 | 4 | 100 |
| 35 | 100 | 0.2S | 15 | 5 | 2 | 8 | 2 | 0 |
| 35 | 150 | 0.2S | 15 | 5 | 2 | 16 | 2 | 40 |
| 35 | 200-300 | 0.2S | 15 | 5 | 2 | 25 | 4 | 63 |
| 35 | 400-600 | 0.2S | 15 | 5 | 2 | 31.5 | 4 | 80 |
Dessin d'encombrement et de dimensions du LJZN1-35 — cliquez sur l'image pour zoomer / afficher l'original.
