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3-contactor de CA de polo, rated current 115A (AC-3), 220VAC coil, 1Contactos auxiliares NA+1NC, terminales de tornillo
Número de orden: LC1D11500M7C (full model), LC1D115M7C (abbreviated model)
Domestic TeSys D series, eliminado gradualmente (lanzado en julio 2025). Reemplazos recomendados: LC1D115KUEC o LC1E120M5N
Complete certifications: UL, CSA, CEI, CCC, CAO, etc.. Compliant with RoHS/REACh standards
- Explicación del código del modelo
| Segmento | Código | Descripción |
| Categoría de producto | LC1 | Contactor series |
| Construction Type | D | TeSys D Series (Domestic high-current type) |
| Corriente nominal | 115 | Rated operational current 115A (AC-3, ≤440V) |
| Contactos auxiliares | 0 | Configuración estándar: 1NO + 1Contactos auxiliares NC |
| Coil Rating | METRO | 220VAC coil voltage |
| Código de frecuencia | 7 | Universal coil for 50/60Hz |
| Manufacturing Code | do | Manufactured by SSIC (rango: 9~620A) |
Modelo completo: LC1D11500M7C (official standard model), Abbreviated Model: LC1D115M7C
- Especificaciones principales
| Categoría | Detalles |
| Parámetros básicos | 3-polo (3PAG), 3SIN contactos principales, 1Contactos auxiliares NA+1NC, screw terminal connection |
| Corriente nominal | AC-1: 200A (≤440V, ≤60°C); AC-3: 115A (≤440V, ≤60°C) |
| Tensión nominal | Circuito principal: ≤1000VAC; circuito de control: 220VACACIONES, 50/60Hz |
| Motor Control Rating | 30kilovatios (220~230V), 55kilovatios (380~400V), 75kilovatios (500V) |
| Vida mecánica | 10 millones de operaciones (AC-3), 10 millones de operaciones (AC-1) |
| Vida eléctrica | 1 million operations at rated current (AC-3), 1 million operations at rated current (AC-1) |
| Coil Characteristics | Pick-up power: 1200Virginia; Holding power: 120Virginia; Impedance: 0.6MΩ |
| Montaje | 35mm DIN rail mounting or direct panel mounting |
| Dimensiones & Peso | Altura: 158milímetros; Ancho: 120milímetros; Profundidad: 136milímetros; Peso: aprox. 2.5kilos |
| Clase de protección | IP20 (per IEC 60529) |
| Certificaciones | UL, CSA, CEI, CCC, CAO, Marina, RINA, DNV, etc.. |
- Full Model List (LC1D Series 115A)
| Modelo | Voltaje de la bobina | Tipo de terminal | Observaciones |
| LC1D11500M7C | 220VACACIONES | Tornillo | Tipo estándar (original model) |
| LC1D11500P7C | 380VACACIONES | Tornillo | Common alternative voltage |
| LC1D11500F7C | 110VACACIONES | Tornillo | Low voltage control |
| LC1D11500B7C | 24VACACIONES | Tornillo | Safety extra-low voltage control |
| LC1D115006M7C | 220VACACIONES | Ring terminal | For special wiring requirements |
| LC1D115KUEC | 100~250VAC/DC | Tornillo | Universal voltage, replacement model |
| LC1D115ABD | 24VCC | Tornillo | DC coil version |
| LC1D115ALBD | 24VCC | Tornillo | Low-power DC coil |
- Cross & Replacement Model List
4.1 Schneider Original Replacements
| Modelo Original | Modelo de reemplazo | Reason for Replacement | Compatibilidad |
| LC1D115M7C | LC1D115KUEC | Universal voltage coil (100~250VAC/DC), higher flexibility | Totalmente compatible, identical mounting dimensions |
| LC1D115M7C | LC1E120M5N | Upgraded TeSys E Series with improved performance | Identical mounting dimensions; verify auxiliary contact configuration |
| LC1D115M7C | LC1D11500M7C | Full official model, identical to abbreviated version | 100% compatible |
4.2 Reemplazos entre marcas
| Marca | Modelo de reemplazo | Principales diferencias | Aplicabilidad |
| TEJIDO | A145-30-11 | Rated current 145A with larger margin | Different mounting dimensions; layout adjustment required |
| siemens | 3RT2036-1BB40 | 125A, AC-3, 220V coil | Same auxiliary contact layout, reemplazo directo |
| Interruptor Changshu | CJX2-1210 | Alternativa doméstica, rentable | Slightly lower performance, for general working conditions |
| chint | NC1-1210 | Alternativa doméstica, rendimiento de alto costo | Meets basic requirements, shorter service life |
- Solicitud & Casos de la industria
5.1 Escenarios aplicables
Control de motores: Comenzar, stop and reverse control for 30~75kW three-phase squirrel-cage motors
Automatización Industrial: Control circuits for production lines, transportadores, compressors and pumps
Distribución de energía: Switching control for non-inductive or weakly inductive loads such as resistance furnaces and heaters (AC-1)
Sistemas HVAC: Control of large air conditioning compressors and ventilation fans
Marina & Ingeniería costa afuera: Certified by marine classification societies for offshore equipment
5.2 Non-Recommended Scenarios
High-Frequency Operation: Más que 120 starts/stops per minute (use LC1D170 series or dedicated contactors)
Harsh Environments: Heavy dust, corrosive gas or severe vibration (additional protection required)
DC Loads: Use dedicated DC contactors (p.ej. LC1D115ABD)
High Altitude: Derating required above 2000m (10% derating per additional 1000m)
5.3 Casos de aplicación típicos
Caso 1: Fan Control in Steel Plant
Operating conditions: 380V, 55kW fan, AC-3, 10 starts per day, 20-hour continuous operation
Solución: LC1D115M7C + LRD3365 thermal overload relay
Ventajas: 3 years of stable operation without failure, bajo costo de mantenimiento
Caso 2: HVAC System in Pharmaceutical Factory
Operating conditions: 400V, 45kW compressor, AC-3, 24-hour continuous operation and frequent cycling
Solución: LC1D115M7C + control PLC + supresor de sobretensiones
Ventajas: Low noise and power consumption, compliant with GMP standards
- Solución de problemas & Maintenance Manual
6.1 Diagnóstico de fallas comunes
| Fenómeno de falla | Posibles causas | Soluciones |
| El contactor no cierra | 1. No voltage on coil; 2. bobina quemada; 3. Atasco mecánico | 1. Measure voltage across terminal A1/A2; 2. Comprobar la resistencia de la bobina (normal: aprox. 320Oh); 3. Apagar, inspect mechanism and remove foreign objects |
| Loud noise after closing | 1. Subtensión; 2. Oil contamination on core contact surface; 3. Anillo de sombreado roto | 1. Ensure voltage within ±10% of rated value; 2. Limpiar la superficie del núcleo; 3. Replace coil assembly |
| Overheated / burnt main contacts | 1. Sobrecarga actual; 2. mal contacto; 3. Failed arc suppression | 1. Check for load overload; 2. Clean or replace contacts; 3. Inspect arc chute integrity |
| Auxiliary contact malfunction | 1. Oxidación por contacto; 2. Cableado suelto; 3. Desgaste mecánico | 1. Contactos limpios; 2. Reapretar terminales; 3. Replace auxiliary contact block |
| Repeated coil burnout | 1. Severe voltage fluctuation; 2. Frequent cycling; 3. Excess ambient temperature | 1. Install voltage stabilizer; 2. Replace with high-cycle model; 3. Mejorar la disipación del calor. |
6.2 Programa de mantenimiento & Procedures
| Artículo de mantenimiento | Intervalo | Operación |
| Inspección visual | Mensual | Check for overheating marks, abnormal odors and loose parts |
| Inspección de contacto | Trimestral | Measure contact resistance (<50m惟), check for ablation |
| Inspección de bobinas | Semi-annually | Measure coil resistance and insulation performance |
| Mechanical Lubrication | Annually | Lightly lubricate moving parts (silicone grease recommended) |
| Overhaul | Cada 2 años | Disassemble for full inspection, replace worn parts and clean interior |
- Phase-Out & Migration Guide
7.1 Phase-Out Information
Phase-out Plan: Schneider launched the phase-out of domestic high-current TeSys D series (115-170A) in July 2025
Transition Period: July 2025 – December 2026. Production will cease after the period
Inventory: Stock is still available via some distributors. Procurement or model replacement is recommended as soon as possible.
7.2 Migration Solutions
| Migration Type | Modelo recomendado | Ventajas | Notas |
| In-Series Upgrade | LC1D115KUEC | Universal voltage coil for wider application | Identical mounting size, no cabinet modification needed |
| Cross-Series Upgrade | LC1E120M5N | TeSys E Series with enhanced performance and longer service life | Auxiliary contact layout may differ; verify control circuit |
| Cost-Saving Replacement | Changshu CJX2-1210 / Chint NC1-1210 | 30-50% reducción de costos | Slight performance difference; for non-critical applications |
7.3 Migration Steps
- Confirm voltage and current requirements of the original control circuit
- Select suitable replacement model (LC1D115KUEC recommended)
- Verify compatibility of mounting dimensions and fixtures
- Confirm quantity and type of auxiliary contacts
- Replace contactor and conduct commissioning test
- Keep spare parts of the original model until the end of transition period
- Directrices de selección
Reglas de referencia rápida
- LC1D: Schneider TeSys D series contactor
- 115: 115Una corriente nominal (AC-3), matches 55kW motor at 400V
- M7C: 220VAC 50/60Hz coil, manufactured by SSIC
- 00: Standard 1NO+1NC auxiliary contacts
- Phase-out Notice: Prioritize LC1D115KUEC for replacement since July 2025
- Cumplimiento del transporte aéreo & Certificaciones
Clasificación de transporte: Mercancías no peligrosas. Sin batería de litio incorporada / supercondensador, compliant with IATA regulations
Certificación CE: Cumple con EN 60947-4-1, CE marked
Environmental Certification: Compliant with RoHS/REACh directives, Green Premium product
Embalaje: Individual packaging to prevent damage during transit. Original packaging is recommended.
