Indoor single-phase epoxy resin casting current transformer specially designed for SF6 gas switchgear, compliant with GB/T20840.1, GB/T20840.2, IEC61869-1 and IEC61869-2 standards.
Indoor CT for 10kV systems, ideal for SF6 switchgear, with 5A/1A secondary and dry epoxy insulation.
| Paramètre | Spécification | Vérification |
|---|---|---|
| Type de produit | Current Transformer | [On Request] |
| Code modèle | LZZ9-10 | Marquage de la plaque constructeur |
| Tension primaire | 10kV | Essai de tension nominale (IEC 61869-1/3) |
| Tension secondaire | 5A / 1A | Vérification du rapport à la fréquence nominale |
| Classe de précision | [On Request] | Essai de précision (IEC 61869-2 / IEEE C57.13) |
| Charge nominale | [On Request] | Essai de charge à la puissance VA nominale |
| Type d'isolement | Dry Epoxy Resin | Essais diélectriques selon la norme |
| Niveau d'isolement (BIL) | 0.72/3kV | Tenue à fréquence industrielle et au choc de foudre |
| Normes | [On Request] | Certifié selon les normes listées |
| Fréquence | 50Hz / 60Hz | Selon IEC 61869-1 |
| Environnement | [On Request] | Selon les limites de la fiche technique |
Idéal pour
Non recommandé pour
Connect primary in series with the line. Secondary terminals: 1S1 and 1S2 for metering, 2S1 and 2S2 for protection if present. Never open-circuit the secondary of a CT while energized - hazardous voltage. Ground the secondary winding at one point. Follow IEC 61869-2 terminal markings.
Conforme à : [On Request]
S_total = ΣS_instrument + I₂² × (ρ × 2L / A)
Q : What is the insulation level of this CT?
R : The insulation level is 0.72/3kV, meaning 0.72kV system voltage and 3kV power-frequency withstand.
Q : Can this CT be used outdoors?
R : No, it is designed for indoor use, specifically for SF6 switchgear.
Q : What standards does it comply with?
R : It complies with GB/T20840.1, GB/T20840.2, IEC61869-1, and IEC61869-2.
Les champs manquants sont marqués [On Request] — jamais inventés. Les lignes de vérification M2/M5/M6 suivent les conventions IEC 61869 / IEEE C57.13.
| Rated primary current I1n (A) | Accuracy classCombined | Accuracy class & rated output (VA) COSφ=0.8 (0.2 (S)) | Accuracy class & rated output (VA) COSφ=0.8 (0.5 (S)) | Short-time thermal current Ith (kA/S) | Rated dynamic current Idyn (kA) | Weight (kg) |
|---|---|---|---|---|---|---|
| 20-150 | 0.2(S) 0.5(S) 0.2S/0.2 | 10 | 10 | 60I1n | 150I1n | 20 |
Dessin d'encombrement et de dimensions du LZZ9-10 — cliquez sur l'image pour zoomer / afficher l'original.
