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At a glance: The Schneider Electric LC1D25 is a TeSys D series 3-pole 25A contactor de CA, suitable for AC-3 motor control (11kW/15HP at 400V). Standard width: 45milímetros. 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
Base model: LC1D25
Full model format: LC1D25[Contactos auxiliares][Voltaje de la bobina][Frecuencia][Special Features]
| Código | Significado | Ejemplo |
| LC1D | TeSys D series standard AC contactor | – |
| 25 | Rated operational current 25A (AC-3, 400V) | – |
| 2010/1/11 | Configuración de contactos auxiliares: 1NO/0NC, 0NO/1NC, 1NO/1NC | LC1D2510M7C (1NO) |
| M/Q/B/P | Código de voltaje de la bobina: M=AC220V, Q=AC380V, B=AC24V, P=AC230V | LC1D2510M7C (CA 220 V.) |
| 7月5日 | Frecuencia: 7=50/60Hz universal, 5=50Hz only | LC1D2510M7C (universal) |
| C/BL | Special features: C=standard, BL=low-power | LC1D2510M7C (estándar) |
- Especificaciones clave
2.1 Parámetros del circuito principal
| Parámetro | Valor | Notas |
| polacos | 3-polo (3NO) | Standard configuration |
| Corriente operativa nominal (AC‑3, 400V) | 25A | Typical for motor control |
| Corriente operativa nominal (AC‑1, 690V) | 40A | Carga resistiva |
| Rated operational voltage | ≤690 VCA, ≤300V DC | Circuito principal |
| Motor power (400V 3-phase) | 11kilovatios (15caballos de fuerza) | Servicio AC-3 |
| Motor power (220V 3-phase) | 5.5kilovatios (7.5caballos de fuerza) | Servicio AC-3 |
| Tensión nominal de aislamiento | 1000V | IEC standard |
| Rated impulse withstand voltage | 8kV | – |
2.2 Control Circuit Parameters
| Parámetro | Valor | Notas |
| Coil voltage range | AC24V~400V, DC24V~220V | Multiple options available |
| Coil power | Inrush: ≤9.5VA, Holding: ≤2VA | Standard version; lower for low-power type |
| voltaje de captación | 85%~100% Un | – |
| voltaje de caída | 20%~75% Un | – |
| Operating frequency | Arriba a 3600 operations/hour | Servicio AC-3 |
2.3 Mecánico & Mounting Parameters
| Parámetro | Valor | Notas |
| Dimensiones | 45×85×92mm (without cover) / 45×85×101mm (with cover) | Common for LC1D25–LC1D38 |
| Montaje | 35mm DIN rail or screw mounting | Both compatible |
| Peso | Aprox.. 370gramo | Standard version |
| Grado de protección | IP20 | Body only |
| Temperatura de funcionamiento | -5℃~+60℃ | Wide-temperature version available |
| Durabilidad mecánica | ≥10 million operations | No-load |
| Durabilidad eléctrica | ≥1 million operations | At rated AC-3 conditions |
- Guía de selección
3.1 Coincidencia de tipos de carga
AC-3 (motor control): Direct use for motors up to 25A, máximo. 11kW at 400V
AC-1 (carga resistiva): Up to 40A, suitable for heaters, iluminación, etc..
DC load: Confirm DC rating; derating to ≤70% of AC rating recommended
3.2 Selección de voltaje de bobina
| Solicitud | Recommended coil voltage | Advantage |
| Automatización industrial | CA 220 V. (M7) / CA380V (Q7) | Matches common factory voltages |
| Safety control circuits | CA 24V (B7) / CC 24 V | Safety extra-low voltage |
| DC systems | DC24V~110V | Reduces electromagnetic interference |
3.3 Auxiliary Contact Extension
Estándar: 1NO + 1NC built-in auxiliary contacts
Expansión: Add LAD series auxiliary modules; up to 4NO + 4CAROLINA DEL NORTE
3.4 Protection Coordination
Protección contra sobrecarga: Use with LRD16‑LRD32 thermal overload relays (setting: 6.4~32A)
Protección contra cortocircuitos: Recommended C65N‑D/3P 32A or NSX series circuit breakers
Supresión de sobretensiones: RC snubber for AC coils; freewheeling diode for DC coils
3.5 Montaje & Heat Dissipation
Mount vertically; keep ≥5mm above/below, ≥2mm left/right
Derate 10–15% for side-by-side installation
Above 40°C, derate approx. 1% per °C increase
- Cross-Brand Replacements
| Marca | Reemplazo directo | Key Comparison |
| TEJIDO | A16-30-10 (16A) / A26-30-10 (26A) | Mismas dimensiones; A26 closer to 25A |
| siemens | 3RT6026-1AN20 (25A) | Identical mounting, 1NO+1NC |
| mitsubishi | S-T25 (25A) | Standard 3-pole, AC220V/380V coils |
| LS | GMC-22 (22A) / GMC-32 (32A) | Rentable; GMC-32 for heavy duty |
| chint | NC1-2510 (25A) | Domestic alternative, cost advantage |
- Common Full Models & Aplicaciones
| Modelo completo | Descripción | Typical Application |
| LC1D2510M7C | 3P 25A, 1NO, Bobina de 220V CA, 50/60Hz | Water pumps, fans |
| LC1D2501Q7C | 3P 25A, 1CAROLINA DEL NORTE, AC380V coil, 50/60Hz | Compresores, transportadores |
| LC1D2511B7C | 3P 25A, 1NO+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
At a glance: Standard dimensions: W45mm × H85mm × D92mm (without cover) / D101mm (with cover). Fits 35mm standard DIN rail. Screw mounting: 2×M4 slotted holes, horizontal center distance 35mm, vertical center distance 60–70mm adjustable.
- Basic Outline Dimensions (Ancho×Alto×Profundidad)
| Configuración | Dimensiones (milímetros) | Dimensiones (en) | Notas |
| 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 | p.ej., LC1D25BL |
Width 45mm: Common for LC1D25–LC1D38, compact mounting
Height 85mm: Base height without top auxiliary modules
Profundidad: Varies slightly by cover/coil; refer to actual unit
- Mounting Methods & Detailed Dimensions
2.1 Montaje en carril DIN (Recomendado)
Fits 35mm standard DIN rail (EN 60715)
Locks onto center rear of contactor
Mount vertically (coil downward) for best cooling and stability
Clearance: ≥5mm top/bottom, ≥2mm left/right; derate 10–15% side-by-side
2.2 Screw Mounting
| Parámetro | Valor | Notas |
| Mounting holes | 2×M4 slotted holes | For M4×8 or M4×10 screws |
| Horizontal center distance | 35milímetros | Fijado |
| Vertical center distance | 60–70mm | Slotted for adjustment |
| Mounting plate thickness | 1.5–3mm | Galvanized steel or insulation plate |
| Par de apriete | 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
Relés de sobrecarga térmica (LRD16‑LRD32): W45mm, H72.5mm, D79.9mm, direct snap-on
- Mounting Precautions
- Temperatura ambiente: -5℃~+60℃; derate above 40℃
- Avoid high vibration, polvo pesado, corrosive gases
- Terminales: Circuito principal (L1/L2/L3, T1/T2/T3) downward; bobina (A1/A2) on right
- Leave gaps between adjacent contactors for ventilation
