Indoor single-phase epoxy resin casting current transformer complying with GB/T20840.1/2 and IEC61869-1/2 standards, insulation level 12/42/75kV, rated frequency 50/60Hz, secondary rated current 5A or 1A. Optional primary current ranges:20-100A、150A、200-300A、400-800A、1000-1250A; accuracy combination 0.2S/5P、0.5S/5P with rated output 15VA/20VA/30VA. Short-time thermal current 150I₁ₙ, dynamic stable current 375I₁ₙ, net weight 23kg, operating ambient temperature -5℃~+40℃.
Indoor 10kV current transformer for protection and metering, rated secondary 5A/1A, epoxy cast, IEC 61869 compliant.
| Paramètre | Spécification | Vérification |
|---|---|---|
| Type de produit | Current Transformer | [On Request] |
| Code modèle | LFZJ3-10 | 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) | 12/42/75kV | Tenue à fréquence industrielle et au choc de foudre |
| Normes | [On Request] | Certifié selon les normes listées |
| Fréquence | 50/60Hz | Selon IEC 61869-1 |
| Environnement | Ambient: -5℃~+40℃ | Selon les limites de la fiche technique |
Idéal pour
Non recommandé pour
connect primary in series with line. Secondary terminals: 1S1/1S2 for metering, 2S1/2S2 for protection. Never open-circuit the secondary of a CT while energized - hazardous voltage. Ground one point of secondary circuit. Insulation level: 12kV system; power-frequency withstand 42kV; lightning impulse withstand 75kV peak.
Conforme à : [On Request]
S_total = ΣS_instrument + I₂² × (ρ × 2L / A)
Q : What are the accuracy classes available?
R : 0.2S/5P and 0.5S/5P with rated outputs 15VA/20VA/30VA.
Q : What is the short-time thermal current rating?
R : 150I₁ₙ, with dynamic stable current 375I₁ₙ.
Q : Is it suitable for outdoor use?
R : No, it is designed for indoor applications 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.
| Rated primary current (A) | Accuracy classCombined | Accuracy class & rated output (VA) 0.2 (S) | Accuracy class & rated output (VA) 0.5 (S) | Accuracy class & rated output (VA) 5P10 | Short-time thermal current (kA) | Rated dynamic current (kA) | Weight (kg) |
|---|---|---|---|---|---|---|---|
| 20-100 | 0.2(S)/5P 0.5(S)/5P | 10 | 10 | 15 | 150/1r | 375/1r | 19 |
| 150 | 0.2(S)/5P 0.5(S)/5P | 10 | 10 | 15 | 15 | 40 | 19 |
| 200-300 | 0.2(S)/5P 0.5(S)/5P | 10 | 10 | 15 | 20 | 50 | 19 |
| 400-600 | 0.2(S)/5P 0.5(S)/5P | 10 | 10 | 15 | 31.5 | 80 | 19 |
| 1000-1250 | 0.2(S)/5P 0.5(S)/5P | 15 | 20 | 25 | 40 | 100 | 19 |
Dessin d'encombrement et de dimensions du LFZJ3-10 — cliquez sur l'image pour zoomer / afficher l'original.
