Indoor low voltage current transformer, 0.66kV rated, epoxy resin casting type, for current measurement and protection in low voltage distribution systems. Complies with IEC 61869 and GB/T 20840 standards. Wide range of current ratios available, multiple accuracy classes. Compact size, easy installation, suitable for switchgear and panel mounting. Customizable ratios and specifications.
Indoor LV CT for 0.66kV systems, suitable for measurement and protection in switchgear and panels.
| Paramètre | Spécification | Vérification |
|---|---|---|
| Type de produit | Current Transformer | IEC 61869 / GB/T 20840 |
| Code modèle | LN-0.66 | Marquage de la plaque constructeur |
| Tension primaire | 0.66kV | Essai de tension nominale (IEC 61869-1/3) |
| Tension secondaire | 5A/1A | Vérification du rapport à la fréquence nominale |
| Classe de précision | 0.2/0.5/1.0 | 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: 1S1 and 1S2 for measurement; if protection winding exists, use 2S1-2S2. Never open-circuit the secondary of a CT while energized - hazardous voltage. Ground the secondary winding at one point. Follow IEC 61869 / GB/T 20840 for terminal markings.
Conforme à : IEC 61869 / GB/T 20840
S_total = ΣS_instrument + I₂² × (ρ × 2L / A)
Q : What is the rated primary voltage of this CT?
R : The rated primary voltage is 0.66kV.
Q : What accuracy classes are available?
R : Accuracy classes available are 0.2, 0.5, and 1.0.
Q : Can this CT be used outdoors?
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.
| Model | Rated current ratio (A) | Rated output (VA) | Accuracy class | Primary current / turns | Turns through core | Overall dimensions | Aperture dimensions (W×H) | Mounting dimensions (W×H) | ||
|---|---|---|---|---|---|---|---|---|---|---|
| W | D | H | ||||||||
| LMK1-0.66/30 (BH-0.66/30) | 30/5 | 1 | 0.5 | 1 | 1 | 78 | 32 | 78 | 30×30 | 82×31 |
| 40/5 | 1 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 50/5 | 1 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 60/5 | 2 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 75/5 | 2 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 100/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 150/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 200/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 250/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 300/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 400/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK1-0.66/40 (BH-0.66/40) | 100/5 | 2.5 | 0.5 | 1 | 1 | 85 | 42 | 78 | 30×30 | 82×31 |
| 150/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 200/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 250/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 300/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 400/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK1-0.66/60 (BH-0.66/60) | 300/5 | 5 | 0.5 | 1 | 1 | 90 | 52 | 80 | 30×30 | 82×31 |
| 400/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1200/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK1-0.66/80 (BH-0.66/80) | 400/5 | 5 | 0.5 | 1 | 1 | 105 | 70 | 100 | 40×40 | 82×31 |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1200/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK1-0.66/100 (BH-0.66/100) | 600/5 | 5 | 0.5 | 1 | 1 | 120 | 80 | 110 | 50×50 | 82×31 |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1200/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 3000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK2-0.66/30 (SDH-0.66/30) | 150/5 | 2.5 | 0.5 | 1 | 1 | 87 | 40 | 100 | 30×30 | 82×30 |
| 200/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 250/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 300/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 400/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK2-0.66/40 (SDH-0.66/40) | 200/5 | 2.5 | 0.5 | 1 | 1 | 90 | 45 | 110 | 30×30 | 82×30 |
| 250/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 300/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 400/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1200/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK2-0.66/60 (SDH-0.66/60) | 400/5 | 5 | 0.5 | 1 | 1 | 102 | 60 | 140 | 40×40 | 82×30 |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1200/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK2-0.66/80 (SDH-0.66/80) | 600/5 | 5 | 0.5 | 1 | 1 | 108 | 80 | 150 | 50×50 | 82×30 |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1200/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 3000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK3-0.66/30 (LN-0.66/30) | 150/5 | 2.5 | 0.5 | 1 | 1 | 118 | 40 | 120 | 30×30 | 82×30 |
| 200/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 250/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 300/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 400/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK3-0.66/40 (LN-0.66/40) | 200/5 | 2.5 | 0.5 | 1 | 1 | 140 | 60 | 120 | 40×40 | 82×30 |
| 250/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 300/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 400/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1200/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK3-0.66/60 (LN-0.66/60) | 400/5 | 5 | 0.5 | 1 | 1 | 140 | 60 | 120 | 40×40 | 82×30 |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1200/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK3-0.66/80 (LN-0.66/80) | 600/5 | 5 | 0.5 | 1 | 1 | 187 | 80 | 120 | 50×50 | 82×30 |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1200/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 3000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMK3-0.66/100 (LN-0.66/100) | 1000/5 | 5 | 0.5 | 1 | 1 | 227 | 80 | 120 | 50×50 | 82×30 |
| 1200/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 3000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMZ1-0.66/30 (BH-0.66/30) | 100/5 | 2.5 | 0.5 | 1 | 1 | 248 | 88 | 110 | 30×30 | 228×80 |
| 150/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 200/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 250/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 300/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 400/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMZ1-0.66/40 (BH-0.66/40) | 200/5 | 2.5 | 0.5 | 1 | 1 | 270 | 90 | 110 | 30×30 | 228×80 |
| 250/5 | 2.5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 300/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 400/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| LMZ1-0.66/60 (BH-0.66/60) | 300/5 | 5 | 0.5 | 1 | 1 | 300 | 100 | 110 | 30×30 | 228×80 |
| 400/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 600/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 750/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 800/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1200/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 1500/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
| 2000/5 | 5 | 0.5 | 1 | 1 | — | — | — | — | — | |
Dessin d'encombrement et de dimensions du LN-0.66 — cliquez sur l'image pour zoomer / afficher l'original.
