Contactor,întrerupător de circuit,invertor solar,contor electric,baterii solare
3-contactor AC poli, rated current 115A (AC-3), 220VAC coil, 1Contacte auxiliare NO+1NC, terminale cu șuruburi
Număr de ordine: LC1D11500M7C (model complet), LC1D115M7C (abbreviated model)
Domestic TeSys D series, eliminat treptat (lansat in iulie 2025). Înlocuitori recomandate: LC1D115KUEC sau LC1E120M5N
Complete certifications: UL, CSA, IEC, CCC, EAC, etc. Compliant with RoHS/REACh standards
- Codul modelului Explicația
| Segment | Cod | Descriere |
| Categoria de produs | LC1 | Contactor series |
| Construction Type | D | Seria D TeSys (Domestic high-current type) |
| Curent nominal | 115 | Rated operational current 115A (AC-3, ≤440V) |
| Contacte auxiliare | 0 | Configurație standard: 1NU + 1Contacte auxiliare NC |
| Coil Rating | M | 220VAC coil voltage |
| Frequency Code | 7 | Universal coil for 50/60Hz |
| Manufacturing Code | C | Manufactured by SSIC (gamă: 9~620A) |
Model complet: LC1D11500M7C (official standard model), Abbreviated Model: LC1D115M7C
- Specificații principale
| Categorie | Detalii |
| Parametrii de bază | 3-pol (3P), 3FĂRĂ contacte principale, 1Contacte auxiliare NO+1NC, conexiune terminală cu șurub |
| Curent nominal | AC-1: 200O (≤440V, ≤60°C); AC-3: 115O (≤440V, ≤60°C) |
| Tensiune nominală | Circuitul principal: ≤1000VAC; Circuit de control: 220VAC, 50/60Hz |
| Motor Control Rating | 30kW (220~230V), 55kW (380~400V), 75kW (500V) |
| Viața mecanică | 10 milioane de operațiuni (AC-3), 10 milioane de operațiuni (AC-1) |
| Viața electrică | 1 million operations at rated current (AC-3), 1 million operations at rated current (AC-1) |
| Caracteristicile bobinei | Pick-up power: 1200VA; Holding power: 120VA; Impedance: 0.6MΩ |
| Montare | 35mm DIN rail mounting or direct panel mounting |
| Dimensiuni & Greutate | Înălţime: 158mm; Lăţime: 120mm; Adâncime: 136mm; Greutate: aproximativ. 2.5kg |
| Clasa de protectie | IP20 (per IEC 60529) |
| Certificari | UL, CSA, IEC, CCC, EAC, Marin, RINA, DNV, etc. |
- Lista completă a modelelor (LC1D Series 115A)
| Model | Tensiunea bobinei | Tip terminal | Observații |
| LC1D11500M7C | 220VAC | Şurub | Tip standard (original model) |
| LC1D11500P7C | 380VAC | Şurub | Common alternative voltage |
| LC1D11500F7C | 110VAC | Şurub | Low voltage control |
| LC1D11500B7C | 24VAC | Şurub | Safety extra-low voltage control |
| LC1D115006M7C | 220VAC | Ring terminal | For special wiring requirements |
| LC1D115KUEC | 100~250VAC/DC | Şurub | Universal voltage, replacement model |
| LC1D115ABD | 24VDC | Şurub | Versiune bobină DC |
| LC1D115ALBD | 24VDC | Şurub | Low-power DC coil |
- Cross & Replacement Model List
4.1 Schimburile originale Schneider
| Model original | Model de înlocuire | Motivul înlocuirii | Compatibilitate |
| LC1D115M7C | LC1D115KUEC | Universal voltage coil (100~250VAC/DC), flexibilitate mai mare | Complet compatibil, 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% compatibil |
4.2 Înlocuiri între mărci
| Marca | Model de înlocuire | Principalele diferențe | Applicability |
| ABB | A145-30-11 | Rated current 145A with larger margin | Different mounting dimensions; layout adjustment required |
| Siemens | 3RT2036-1BB40 | 125O, AC-3, 220V coil | Same auxiliary contact layout, înlocuire directă |
| Comutator Changshu | CJX2-1210 | Alternativă internă, rentabil | Slightly lower performance, for general working conditions |
| Chint | NC1-1210 | Alternativă internă, performanță la costuri ridicate | Meets basic requirements, shorter service life |
- Aplicație & Cazuri industriale
5.1 Scenarii aplicabile
Controlul motorului: Început, stop and reverse control for 30~75kW three-phase squirrel-cage motors
Automatizare industrială: Control circuits for production lines, transportoare, compressors and pumps
Distribuția energiei: Switching control for non-inductive or weakly inductive loads such as resistance furnaces and heaters (AC-1)
Sisteme HVAC: Control of large air conditioning compressors and ventilation fans
Marin & Offshore Engineering: Certified by marine classification societies for offshore equipment
5.2 Non-Recommended Scenarios
High-Frequency Operation: Mai mult decât 120 starts/stops per minute (use LC1D170 series or dedicated contactors)
Medii dure: Praf greu, corrosive gas or severe vibration (additional protection required)
Sarcini DC: Use dedicated DC contactors (de ex. LC1D115ABD)
High Altitude: Derating required above 2000m (10% derating per additional 1000m)
5.3 Cazuri tipice de aplicare
Caz 1: Fan Control in Steel Plant
Operating conditions: 380V, 55kW fan, AC-3, 10 starts per day, 20-hour continuous operation
Soluţie: LC1D115M7C + LRD3365 thermal overload relay
Avantaje: 3 years of stable operation without failure, cost redus de întreținere
Caz 2: HVAC System in Pharmaceutical Factory
Operating conditions: 400V, 45kW compressor, AC-3, 24-hour continuous operation and frequent cycling
Soluţie: LC1D115M7C + Control PLC + surge suppressor
Avantaje: Low noise and power consumption, conform standardelor GMP
- Depanare & Maintenance Manual
6.1 Diagnosticarea defecțiunilor comune
| Fenomen de eroare | Cauze posibile | Soluții |
| Contactorul nu se închide | 1. No voltage on coil; 2. Colac ars; 3. Mechanical jam | 1. Measure voltage across terminal A1/A2; 2. Verificați rezistența bobinei (normal: aproximativ. 320Oh); 3. Power off, inspect mechanism and remove foreign objects |
| Loud noise after closing | 1. Subtensiune; 2. Oil contamination on core contact surface; 3. Inel de umbrire rupt | 1. Ensure voltage within ±10% of rated value; 2. Clean core surface; 3. Înlocuiți ansamblul bobinei |
| Overheated / burnt main contacts | 1. Overload current; 2. Contact slab; 3. Failed arc suppression | 1. Check for load overload; 2. Clean or replace contacts; 3. Inspect arc chute integrity |
| Auxiliary contact malfunction | 1. Oxidare de contact; 2. Cabluri slăbite; 3. Mechanical wear | 1. Curățați contactele; 2. Retighten terminals; 3. Replace auxiliary contact block |
| Repeated coil burnout | 1. Severe voltage fluctuation; 2. Frequent cycling; 3. Exces de temperatură ambientală | 1. Instalați stabilizatorul de tensiune; 2. Replace with high-cycle model; 3. Îmbunătățiți disiparea căldurii |
6.2 Program de întreținere & Procedures
| Articol de întreținere | Interval | Operațiunea |
| Inspecție vizuală | Lunar | Check for overheating marks, abnormal odors and loose parts |
| Contactați Inspecția | Trimestrial | Măsurați rezistența de contact (<50m惟), check for ablation |
| Inspecția bobinei | Semianual | Measure coil resistance and insulation performance |
| Mechanical Lubrication | Anual | Lightly lubricate moving parts (silicone grease recommended) |
| Revizuire | Fiecare 2 ani | 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 (115-170O) 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 | Model recomandat | Avantaje | Note |
| 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% reducerea costurilor | 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
- Ghid de selecție
Reguli de referință rapidă
- LC1D: Schneider TeSys D series contactor
- 115: 115Un curent 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
- Conformitatea transportului aerian & Certificari
Clasificarea transporturilor: Mărfuri nepericuloase. Fără baterie cu litiu încorporată / supercondensator, compliant with IATA regulations
Certificare CE: Conform EN 60947-4-1, CE marked
Certificare de mediu: Compliant with RoHS/REACh directives, Produs Green Premium
Ambalare: Individual packaging to prevent damage during transit. Original packaging is recommended.
