Indoor low voltage current transformer, 0.66kV rated, epoxy resin casting type, State Grid standard, for high precision current measurement in low voltage distribution systems. Complies with IEC 61869 and GB/T 20840 standards. High accuracy class 0.2S, reliable performance. Compact size, easy installation, suitable for metering applications. Customizable ratios and specifications.
LFZ1D is a 0.66kV indoor current transformer with 0.2S accuracy, ideal for high-precision metering in low-voltage distribution. It is not suitable for outdoor or high-voltage applications.
| Paramètre | Spécification | Vérification |
|---|---|---|
| Type de produit | Current Transformer | IEC 61869 / GB/T 20840 |
| Code modèle | LFZ1D | Marquage de la plaque constructeur |
| Tension primaire | 0.66kV | Essai de tension nominale (IEC 61869-1/3) |
| Tension secondaire | 5A | Vérification du rapport à la fréquence nominale |
| Classe de précision | 0.2S | 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) | [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 | [On Request] | Selon les limites de la fiche technique |
Idéal pour
Non recommandé pour
Connect primary through the window; secondary terminals are 1S1 and 1S2 (if dual-winding, 2S1-2S2). Never open-circuit the secondary of a CT while energized - hazardous voltage. Ground the secondary winding at one point. Follow IEC 61869 terminal markings.
Conforme à : IEC 61869 / GB/T 20840
S_total = ΣS_instrument + I₂² × (ρ × 2L / A)
Q : What is the accuracy class of LFZ1D?
R : 0.2S, suitable for high-precision metering.
Q : Can LFZ1D be used outdoors?
R : No, it is designed for indoor use only.
Q : What standards does LFZ1D comply with?
R : IEC 61869 and GB/T 20840.
Les champs manquants sont marqués [On Request] — jamais inventés. Les lignes de vérification M2/M5/M6 suivent les conventions IEC 61869 / IEEE C57.13.
| Model | Rated primary current (A) | Accuracy class | Rated output (VA) | Short-time thermal current (kA/s) | Rated dynamic current (kA) | Power factor |
|---|---|---|---|---|---|---|
| LFZ1D-SKX1 | 10-60 | 0.2S | 5 | 60 I1n | 150 I1n | COSΦ=0.8 |
Dessin d'encombrement et de dimensions du LFZ1D — cliquez sur l'image pour zoomer / afficher l'original.
