Contacteur,disjoncteur,onduleur solaire,compteur électrique,batteries solaires
En un coup d'œil: The Schneider Electric LC1D25 is a TeSys D series 3-pole 25A Contacteur CA, suitable for AC-3 motor control (11kW/15HP at 400V). Standard width: 45mm. Supports DIN rail and screw mounting. Coil voltages available in multiple AC/DC ratings. Matching thermal overload relays: LRD16‑LRD32. Cross-brand replacements include ABB A16-30-10, Siemens 3RT6026-1AN20, etc..
- Part Number Interpretation
Modèle de base: LC1D25
Full model format: LC1D25[Contacts auxiliaires][Tension de bobine][Fréquence][Fonctionnalités spéciales]
| Code | Signification | Exemple |
| LC1D | TeSys D series standard AC contactor | – |
| 25 | Rated operational current 25A (AC-3, 400V) | – |
| 2010/1/11 | Configuration des contacts auxiliaires: 1NO/0NC, 0NO/1NC, 1NO/1NC | LC1D2510M7C (1NON) |
| M/Q/B/P | Code de tension de bobine: M=AC220V, Q=AC380V, B=AC24V, P=AC230V | LC1D2510M7C (AC220V) |
| 7月5日 | Fréquence: 7=50/60Hz universel, 5=50 Hz seulement | LC1D2510M7C (universel) |
| C/BL | Special features: C=standard, BL=low-power | LC1D2510M7C (standard) |
- Spécifications clés
2.1 Paramètres du circuit principal
| Paramètre | Valeur | Remarques |
| Poteaux | 3-pôle (3NON) | Configuration standard |
| Courant de fonctionnement nominal (AC‑3, 400V) | 25UN | Typique pour le contrôle moteur |
| Courant de fonctionnement nominal (AC‑1, 690V) | 40UN | Charge résistive |
| Tension de fonctionnement nominale | ≤690 V CA, ≤300V DC | Circuit principal |
| Puissance du moteur (400V 3-phase) | 11kW (15HP) | Service AC-3 |
| Puissance du moteur (220V 3-phase) | 5.5kW (7.5HP) | Service AC-3 |
| Tension d'isolement nominale | 1000V | Norme CEI |
| Tension assignée de tenue aux chocs | 8kV | – |
2.2 Paramètres du circuit de contrôle
| Paramètre | Valeur | Remarques |
| Plage de tension de bobine | AC24V~400V, DC24V~220V | Plusieurs options disponibles |
| Coil power | Appel: ≤9.5VA, Holding: ≤2VA | Standard version; lower for low-power type |
| Pick-up voltage | 85%~100% Un | – |
| Tension de chute | 20%~75% Un | – |
| Fréquence de fonctionnement | Jusqu'à 3600 opérations/heure | Service AC-3 |
2.3 Mécanique & Mounting Parameters
| Paramètre | Valeur | Remarques |
| Dimensions | 45×85×92mm (sans couverture) / 45×85×101mm (with cover) | Common for LC1D25–LC1D38 |
| Montage | 35mm Montage sur rail DIN ou à vis | Both compatible |
| Poids | Environ. 370g | Standard version |
| Degré de protection | IP20 | Body only |
| Température de fonctionnement | -5℃~+60℃ | Wide-temperature version available |
| Durabilité mécanique | ≥10 million operations | No-load |
| Electrical durability | ≥1 million operations | At rated AC-3 conditions |
- Guide de sélection
3.1 Correspondance du type de charge
AC-3 (commande moteur): Direct use for motors up to 25A, maximum. 11kW à 400V
AC-1 (charge résistive): Up to 40A, suitable for heaters, éclairage, etc..
DC load: Confirm DC rating; derating to ≤70% of AC rating recommended
3.2 Sélection de la tension de la bobine
| Application | Recommended coil voltage | Avantage |
| Automatisation industrielle | AC220V (M7) / AC380V (Q7) | Matches common factory voltages |
| Safety control circuits | AC24V (B7) / DC24V | Safety extra-low voltage |
| Systèmes à courant continu | DC24V~110V | Reduces electromagnetic interference |
3.3 Extension de contact auxiliaire
Standard: 1NON + 1NC built-in auxiliary contacts
Expansion: Add LAD series auxiliary modules; up to 4NO + 4Caroline du Nord
3.4 Coordination des protections
Protection contre les surcharges: Use with LRD16‑LRD32 thermal overload relays (paramètre: 6.4~32A)
Protection contre les courts-circuits: Recommended C65N‑D/3P 32A or NSX series circuit breakers
Suppression des surtensions: RC snubber for AC coils; freewheeling diode for DC coils
3.5 Montage & Dissipation thermique
Monter verticalement; keep ≥5mm above/below, ≥2mm left/right
Derate 10–15% for side-by-side installation
Above 40°C, derate approx. 1% per °C increase
- Remplacements multimarques
| Marque | Remplacement direct | Key Comparison |
| ABB | A16-30-10 (16UN) / A26-30-10 (26UN) | Mêmes dimensions; A26 closer to 25A |
| Siemens | 3RT6026-1AN20 (25UN) | Identical mounting, 1NON+1NC |
| Mitsubishi | S-T25 (25UN) | Standard 3-pole, AC220V/380V coils |
| LS | GMC-22 (22UN) / GMC-32 (32UN) | Rentable; GMC-32 for heavy duty |
| Chint | NC1-2510 (25UN) | Alternative nationale, cost advantage |
- Common Full Models & Applications
| Modèle complet | Description | Application typique |
| LC1D2510M7C | 3P 25A, 1NON, Bobine AC220V, 50/60Hz | Water pumps, les fans |
| LC1D2501Q7C | 3P 25A, 1Caroline du Nord, AC380V coil, 50/60Hz | Compresseurs, convoyeurs |
| LC1D2511B7C | 3P 25A, 1NON+1NC, AC24V coil | Safety circuits, E-stop |
| LC1D25BL | 3P 25A, low-power DC24V coil | Battery systems, energy-saving equipment |
Schneider Electric LC1D25 Contactor Mounting Dimensions Manual
En un coup d'œil: Standard dimensions: W45mm × H85mm × D92mm (sans couverture) / D101mm (with cover). Convient au rail DIN standard de 35 mm. Montage par vis: 2×M4 slotted holes, horizontal center distance 35mm, vertical center distance 60–70mm adjustable.
- Basic Outline Dimensions (L×H×P)
| Configuration | Dimensions (mm) | Dimensions (dans) | Remarques |
| Without cover | 45 × 85 × 92 | 1.77 × 3.35 × 3.62 | Standard bare version |
| With cover | 45 × 85 × 101 | 1.77 × 3.35 × 3.98 | With safety cover |
| Low-power type | 45 × 85 × 99 | 1.77 × 3.35 × 3.90 | par ex., LC1D25BL |
Width 45mm: Common for LC1D25–LC1D38, montage compact
Height 85mm: Base height without top auxiliary modules
Profondeur: Varies slightly by cover/coil; refer to actual unit
- Méthodes de montage & Detailed Dimensions
2.1 Montage sur rail DIN (Recommandé)
Convient au rail DIN standard de 35 mm (DANS 60715)
Locks onto center rear of contactor
Monter verticalement (coil downward) for best cooling and stability
Autorisation: ≥5mm haut/bas, ≥2mm left/right; derate 10–15% side-by-side
2.2 Screw Mounting
| Paramètre | Valeur | Remarques |
| Mounting holes | 2×M4 slotted holes | For M4×8 or M4×10 screws |
| Horizontal center distance | 35mm | Fixé |
| Vertical center distance | 60–70mm | Slotted for adjustment |
| Épaisseur de la plaque de montage | 1.5–3mm | Galvanized steel or insulation plate |
| Couple de serrage | 1.2–1.5N·m | Avoid damage |
- Add-On Module Dimensions
Top auxiliary modules (LAD series): W45mm, H≈20mm, depth unchanged
Side auxiliary modules: +≈18mm width per module, H and D unchanged
Relais de surcharge thermique (LRD16‑LRD32): W45mm, H72.5mm, D79.9mm, direct snap-on
- Mounting Precautions
- Température ambiante: -5℃~+60℃; derate above 40℃
- Évitez les vibrations élevées, heavy dust, gaz corrosifs
- Terminaux: Circuit principal (L1/L2/L3, T1/T2/T3) downward; bobine (A1/A2) on right
- Leave gaps between adjacent contactors for ventilation
