Contactor,întrerupător de circuit,invertor solar,contor electric,baterii solare
Acesta este un Schneider TeSys K series 3-pole miniature AC contactor. Are un curent nominal de funcționare de 12A (AC-3, 440V), tensiune bobina de 110 V AC, si este dotata cu 1 Deschis normal (1NU) contact auxiliar. It adopts screw-clamp terminals. Designed for motor control, HVAC systems and small industrial equipment. Some legacy variants are discontinued, while this exact model remains in production. For performance upgrade, you may switch to the TeSys D series.
- Codul modelului Explicația
| Segment de cod | Definiţie | Descriere detaliată |
| LC1 | Categoria de produs | Prefix for Schneider AC contactors; LC stands for contactor, 1 for standard type |
| K | Seria de produse | TeSys K series, miniature compact contactors for low-power control |
| 12 | Curent nominal de funcționare | 12O (AC-3, 440V), suitable for motors up to 5.5kW @ 400V |
| 10 | Configurarea contactelor auxiliare | 1NU (1 Deschis normal), 0NC (0 În mod normal închis) |
| F | Coil Voltage Code | 110bobina V AC (50/60Hz universal) |
| 7 | Tip de cablare | Screw-clamp terminals, standard mounting |
- Specificatii tehnice principale
| Categorie | Date tehnice | Observații |
| Caracteristici de bază | ||
| Tip de produs | 3-pole AC Contactor | For switching 3-phase circuits |
| Serie | TeSys K | Schneider miniature contactor range |
| Polonii | 3P (L1, L2, L3) | 3-phase control |
| Curent nominal de funcționare (În) | 12O (AC-3, 440V) | Controls motors up to 5.5kW @ 400V |
| Tensiune nominală de funcționare (Ue) | 690V și | Maximum working voltage |
| Tensiunea bobinei de control (Uc) | 110V și (50/60Hz) | Universal frequency design |
| Contact auxiliar | 1NU (Deschis normal) | For circuit latching or signal feedback |
| Parametri de performanță | ||
| Frecvența nominală de operare | 1200 cycles/hour (AC-3) | Standard duty for motor control |
| Rezistenta mecanica | 10,000,000 operațiuni | No-load cycles |
| Rezistenta electrica | 1,000,000 operațiuni (AC-3, curent nominal) | On-load cycles |
| Consumul de energie al bobinei | Ridicare: 7VA, Deţinere: 2VA | Consum redus de energie, economisitoare de energie |
| Pick-up Time | ≤ 60ms | Răspuns rapid |
| Drop-out Time | ≤ 40ms | Fast disconnection |
| Caracteristici fizice | ||
| Dimensiuni (L × H × D) | 45mm × 85mm × 57mm | Design modular standard, occupies 3 module units |
| Montare | 35mm șină DIN / Montare pe panou | Conform EN 50022 |
| Terminale | Screw clamp, max wire cross-section: 2.5mm² | Easy installation with reliable connection |
| Greutate | Aproximativ. 180g | Weight per unit |
| Mediu & Certificari | ||
| Temperatura de operare | -25°C ~ +55°C | Performance may degrade beyond this range |
| Temperatura de depozitare | -40°C ~ +85°C | |
| Umiditate | 5% ~ 95% (Fără condensare) | |
| Protecție la intrare | IP20 | Rezistent la degete, not for outdoor use |
| Certificari | IEC 60947-4-1, ÎN 60947-4-1 | CE marked, complies with international safety standards |
| Starea ciclului de viață | ||
| Stare | Some old models updated; LC1K1210F7 is still in production | Obsolete legacy versions phased out; this model remains available |
- Lista completă a modelelor (TeSys K Series 12A)
| Model | Tensiunea bobinei | Contact auxiliar | Tip de cablare | Order Reference | Aplicație |
| LC1K1210F7 | 110V și | 1NU | Şurub | LC1K1210F7 | Control industrial general, America de Nord & Asian equipment |
| LC1K1210E7 | 48V și | 1NU | Şurub | LC1K1210E7 | Safety control circuits, low-voltage systems |
| LC1K1210G7 | 120V și | 1NU | Şurub | LC1K1210G7 | North American standard equipment |
| LC1K1210M7 | 220V și | 1NU | Şurub | LC1K1210M7 | european & Asian standard equipment |
| LC1K1210Q7 | 24În DC | 1NU | Şurub | LC1K1210Q7 | Circuite de control DC, sisteme PLC |
| LC1K1201F7 | 110V și | 1NC | Şurub | LC1K1201F7 | Circuits requiring Normally Closed feedback |
| LC1K1210U7 | 240V și | 1NU | Şurub | LC1K1210U7 | Heavy-duty industrial equipment |
| LC1K1210V7 | 400V și | 1NU | Şurub | LC1K1210V7 | High-voltage control circuits |
- Înlocuire & Echivalente între mărci
4.1 Original Manufacturer Replacements
| Model original | Model de înlocuire | Motiv | Compatibilitate |
| LC1K1210F7 | LC1K1210F7 | Same model continuously produced | Complet compatibil, înlocuire directă |
| LC1D1210F7 | Upgrade to TeSys D series with enhanced performance | Dimensionally compatible, funcții îmbunătățite | |
| LC1E1210F7 | Economy version for cost optimization | Performanță similară, cost mai mic |
4.2 Cross-Brand Compatible Products
| Marca | Model | Nivel de potrivire | Observații |
| ABB | A12-30-10*110V | 95% | Same dimensions and performance |
| Siemens | 3RT2015-1BB41 | 90% | Identical auxiliary contact configuration |
| Legrand | 8860 | 90% | Different terminal design |
| Chint (China) | CJX2-1210*110V | 85% | Cost-effective with complete certifications |
- Aplicație & Cazuri tipice
5.1 Aplicații recomandate
Controlul motorului: Direct start/stop for 3-phase asynchronous motors below 5.5kW
Sisteme HVAC: Control of air conditioning compressors, fans and water pumps, small central air-conditioning units
Automatizare industrială: PLC control circuits, transportoare, packaging machinery and other small equipment
Clădiri Comerciale: Elevator door operators, fire safety equipment and lighting control
Agricultural Equipment: Irrigation pumps and greenhouse ventilation systems
5.2 Aplicații nerecomandate
High-frequency cycling: Operating frequency over 1200 cycles/hour. TeSys D series is recommended.
High-power motors: Motors exceeding 5.5kW @ 400V. Select higher-rated contactors.
Outdoor humid environments: IP20 protection is insufficient; additional enclosure protection required.
Explosive hazardous areas: Explosion-proof contactors must be used.
5.3 Cazuri tipice de aplicare
Caz 1: Small Injection Molding Machine
Echipamente: 3kW hydraulic pump motor for injection molding machine
Issue: Original contactor was bulky and limited cabinet space
Soluţie: Install LC1K1210F7 together with overload relay
Rezultat: 50% economisirea spațiului, simpler control circuit and lower failure rate
Caz 2: Hospital Central Air-Conditioning System
Echipamente: 4kW fan motors in parallel operation
Requirements: Low noise, consum redus de energie și fiabilitate ridicată
Soluţie: Adopt LC1K1210F7 with Schneider EOCR overload protection
Rezultat: 15% economisirea energiei, stable operation and reduced maintenance cost
- Depanare & Ghid de întreținere
6.1 Defecte comune & Soluții
| Fenomen de eroare | Cauze posibile | Remedial Actions |
| Coil fails to pull in | 1. No voltage or incorrect coil voltage | 1. Verify power voltage matches coil rating |
| 2. Colac ars | 2. Măsurați rezistența bobinei; replace if open-circuited | |
| 3. Open control circuit | 3. Check wiring and components in control circuit | |
| 4. Blocaj mecanic | 4. Clean iron core, inspect springs and sliding parts | |
| Zgomot puternic după tragere | 1. Broken shading coil | 1. Replace core assembly |
| 2. Dust/rust on core surface | 2. Clean core contact surface | |
| 3. Uneven mounting | 3. Reinstall and level the unit | |
| 4. Undervoltage supply | 4. Ensure supply voltage within 卤10% tolerance | |
| Main contacts burned | 1. Overload current | 1. Replace with higher-rated contactor |
| 2. Frequent cycling | 2. Optimize control logic to reduce switching frequency | |
| 3. Poor arc suppression | 3. Install surge suppressor | |
| 4. Fatigued contact springs | 4. Replace contact assembly | |
| Auxiliary contact malfunction | 1. Contacte arse | 1. Înlocuiți modulul de contact auxiliar |
| 2. Cabluri slăbite | 2. Retighten terminal screws | |
| 3. Linkage mechanism fault | 3. Inspect linkage; replace if necessary |
6.2 Maintenance Procedures
- Monthly Routine Inspection
Check appearance for damage or discoloration
Inspect terminals for looseness and overheating signs
Test pull-in and drop-out action for smooth operation and abnormal noise
- Annual Preventive Maintenance
Power off and clean surface with dry soft cloth
Inspect contact wear; replace if wear depth exceeds 1mm
Measure coil resistance to confirm normal status
Lubricate moving parts with small amount of silicone-based grease
- Replacement Cycle
Standard operating conditions: 5 ~ 8 ani
High-frequency cycling: 2 ~ 3 ani
Mediu dur (temperatură ridicată / umiditate ridicată): 1 ~ 2 ani
6.3 Quick Troubleshooting Tips
For LC1K miniature contactors rated 12A for motor control
Check voltage first if coil fails to energize; check core for abnormal noise
Replace unit when contacts burn or auxiliary contacts fail
Regular inspection ensures safety; replace after 5 years service life
- Ghid de selecție
- Evaluare curentă: Select current ≥ 1.2 ori curentul nominal al motorului. 12A is suitable for motors below 5.5kW.
- Tensiunea bobinei: Match coil voltage with control circuit voltage. Common ratings: 24În DC, 110V și, 220V și.
- Contacte auxiliare: 1NO for latching; 1NC for interlock; 1NO+1NC for complex control.
- Tip de cablare: Screw terminals for fixed installation; spring terminals for frequent rewiring.
- Replacement Rule: Prioritize same-series products; verify dimensions and mounting when switching to other series.
