Zero sequence current transformer for low voltage systems, rated 0.72/3kV. Rectangular through-core design for cable installation. Rated frequency 50/60Hz, secondary current 5A or 1A. Ambient temperature range -40°C to +40°C. Compliant with IEC 61869 and GB/T 20840 standards. Used for ground fault protection and residual current monitoring. Epoxy resin cast, reliable performance, easy installation.
LXZ is a zero-sequence current transformer for 0.72/3kV systems, ideal for ground fault protection and residual current monitoring in low-voltage networks.
| Paramètre | Spécification | Vérification |
|---|---|---|
| Type de produit | Current Transformer | IEC 61869, GB/T 20840 |
| Code modèle | LXZ | Marquage de la plaque constructeur |
| Tension primaire | 0.72/3kV | Essai de tension nominale (IEC 61869-1/3) |
| Tension secondaire | 5A or 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) | [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 | Rectangular through-core epoxy cast; Ambient: -40°C ~ +40°C | Selon les limites de la fiche technique |
Idéal pour
Non recommandé pour
Connect secondary terminals 1S1 and 1S2 to the protection relay. Never open-circuit the secondary of a CT while energized - hazardous voltage. Ground the secondary winding at one point. Ensure the primary conductor passes through the rectangular window and is properly insulated.
Conforme à : IEC 61869, GB/T 20840
S_total = ΣS_instrument + I₂² × (ρ × 2L / A)
Q : What is the primary voltage rating of the LXZ?
R : The primary voltage rating is 0.72/3kV.
Q : What are the available secondary current ratings?
R : The secondary current is available in 5A or 1A.
Q : What standards does the LXZ comply with?
R : It complies with 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.
| Parameter | Value |
|---|---|
| Product performance complies with standards | GB/T20840.1, 2 and IEC61869-1, 2 |
| Rated voltage | 0.72/3kV |
| Rated frequency | 50Hz or 60Hz |
| Rated secondary current | 5A or 1A |
| Ambient temperature | -40℃~+40℃ |
Dessin d'encombrement et de dimensions du LXZ — cliquez sur l'image pour zoomer / afficher l'original.
