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Este es un Schneider TeSys K series 3-pole miniature AC contactor. Tiene una corriente operativa nominal de 12A. (AC-3, 440V), voltaje de bobina de 110V AC, y está equipado con 1 Normalmente abierto (1NO) contacto 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.
- Explicación del código del modelo
| Segmento de código | Definición | Descripción detallada |
| LC1 | Categoría de producto | Prefix for Schneider AC contactors; LC stands for contactor, 1 for standard type |
| k | Serie de productos | TeSys K series, miniature compact contactors for low-power control |
| 12 | Corriente operativa nominal | 12A (AC-3, 440V), suitable for motors up to 5.5kW @ 400V |
| 10 | Configuración de contacto auxiliar | 1NO (1 Normalmente abierto), 0CAROLINA DEL NORTE (0 Normalmente cerrado) |
| F | Código de voltaje de la bobina | 110Bobina V CA (50/60Hz universales) |
| 7 | Tipo de cableado | Screw-clamp terminals, standard mounting |
- Especificaciones técnicas principales
| Categoría | Datos técnicos | Observaciones |
| Características básicas | ||
| Tipo de producto | 3-pole AC Contactor | For switching 3-phase circuits |
| Serie | TeSys K | Schneider miniature contactor range |
| polacos | 3PAG (L1, L2, L3) | 3-control de fase |
| Corriente operativa nominal (En) | 12A (AC-3, 440V) | Controls motors up to 5.5kW @ 400V |
| Tensión operativa nominal (ue) | 690V y | Maximum working voltage |
| Voltaje de la bobina de control (uc) | 110V y (50/60Hz) | Universal frequency design |
| Contacto auxiliar | 1NO (Normalmente abierto) | For circuit latching or signal feedback |
| Parámetros de rendimiento | ||
| Frecuencia de funcionamiento nominal | 1200 ciclos/hora (AC-3) | Standard duty for motor control |
| Resistencia mecánica | 10,000,000 operaciones | No-load cycles |
| Resistencia eléctrica | 1,000,000 operaciones (AC-3, corriente nominal) | On-load cycles |
| Consumo de energía de la bobina | Levantar: 7Virginia, Tenencia: 2Virginia | Bajo consumo de energía, ahorro de energía |
| Pick-up Time | ≤ 60ms | Respuesta rápida |
| Drop-out Time | ≤ 40ms | Fast disconnection |
| Características físicas | ||
| Dimensiones (Ancho × Alto × Fondo) | 45mm × 85mm × 57mm | Diseño modular estándar, occupies 3 module units |
| Montaje | 35carril DIN mm / Panel mounting | Cumple con EN 50022 |
| Terminales | Screw clamp, max wire cross-section: 2.5mm² | Easy installation with reliable connection |
| Peso | Aprox.. 180gramo | Weight per unit |
| Ambiente & Certificaciones | ||
| Temperatura de funcionamiento | -25°C ~ +55°C | Performance may degrade beyond this range |
| Temperatura de almacenamiento | -40°C ~ +85°C | |
| Humedad | 5% ~ 95% (Sin condensación) | |
| Protección de ingreso | IP20 | Finger-proof, not for outdoor use |
| Certificaciones | CEI 60947-4-1, EN 60947-4-1 | CE marked, complies with international safety standards |
| Lifecycle Status | ||
| Estado | Some old models updated; LC1K1210F7 is still in production | Obsolete legacy versions phased out; this model remains available |
- Full Model List (TeSys K Series 12A)
| Modelo | Voltaje de la bobina | Contacto auxiliar | Tipo de cableado | Order Reference | Solicitud |
| LC1K1210F7 | 110V y | 1NO | Tornillo | LC1K1210F7 | control industrial general, North American & Asian equipment |
| LC1K1210E7 | 48V y | 1NO | Tornillo | LC1K1210E7 | Circuitos de control de seguridad, low-voltage systems |
| LC1K1210G7 | 120V y | 1NO | Tornillo | LC1K1210G7 | North American standard equipment |
| LC1K1210M7 | 220V y | 1NO | Tornillo | LC1K1210M7 | European & Asian standard equipment |
| LC1K1210Q7 | 24En DC | 1NO | Tornillo | LC1K1210Q7 | DC control circuits, PLC systems |
| LC1K1201F7 | 110V y | 1CAROLINA DEL NORTE | Tornillo | LC1K1201F7 | Circuits requiring Normally Closed feedback |
| LC1K1210U7 | 240V y | 1NO | Tornillo | LC1K1210U7 | Heavy-duty industrial equipment |
| LC1K1210V7 | 400V y | 1NO | Tornillo | LC1K1210V7 | Circuitos de control de alto voltaje. |
- Reemplazo & Equivalentes entre marcas
4.1 Original Manufacturer Replacements
| Modelo Original | Modelo de reemplazo | Razón | Compatibilidad |
| LC1K1210F7 | LC1K1210F7 | Same model continuously produced | Totalmente compatible, reemplazo directo |
| LC1D1210F7 | Upgrade to TeSys D series with enhanced performance | Dimensionally compatible, improved functions | |
| LC1E1210F7 | Economy version for cost optimization | Rendimiento similar, menor costo |
4.2 Cross-Brand Compatible Products
| Marca | Modelo | Nivel coincidente | Observaciones |
| TEJIDO | A12-30-10*110V | 95% | Same dimensions and performance |
| siemens | 3RT2015-1BB41 | 90% | Identical auxiliary contact configuration |
| Legrand | 8860 | 90% | Different terminal design |
| chint (Porcelana) | CJX2-1210*110V | 85% | Cost-effective with complete certifications |
- Solicitud & Casos típicos
5.1 Aplicaciones recomendadas
Control de motores: Direct start/stop for 3-phase asynchronous motors below 5.5kW
Sistemas HVAC: Control of air conditioning compressors, fans and water pumps, small central air-conditioning units
Automatización Industrial: PLC control circuits, transportadores, packaging machinery and other small equipment
Edificios Comerciales: Elevator door operators, fire safety equipment and lighting control
Agricultural Equipment: Irrigation pumps and greenhouse ventilation systems
5.2 Non-Recommended Applications
High-frequency cycling: Operating frequency over 1200 ciclos/hora. TeSys D series is recommended.
Motores de alta potencia: Motors exceeding 5.5kW @ 400V. Select higher-rated contactors.
Outdoor humid environments: IP20 protection is insufficient; additional enclosure protection required.
Áreas peligrosas explosivas: Explosion-proof contactors must be used.
5.3 Casos de aplicación típicos
Caso 1: Small Injection Molding Machine
Equipo: 3kW hydraulic pump motor for injection molding machine
Asunto: Original contactor was bulky and limited cabinet space
Solución: Install LC1K1210F7 together with overload relay
Resultado: 50% ahorro de espacio, simpler control circuit and lower failure rate
Caso 2: Hospital Central Air-Conditioning System
Equipo: 4kW fan motors in parallel operation
Requirements: Bajo nivel de ruido, low power consumption and high reliability
Solución: Adopt LC1K1210F7 with Schneider EOCR overload protection
Resultado: 15% ahorro de energía, stable operation and reduced maintenance cost
- Solución de problemas & Maintenance Guide
6.1 Fallos comunes & Soluciones
| Fenómeno de falla | Posibles causas | Remedial Actions |
| Coil fails to pull in | 1. No voltage or incorrect coil voltage | 1. Verify power voltage matches coil rating |
| 2. bobina quemada | 2. Medir la resistencia de la bobina; replace if open-circuited | |
| 3. Open control circuit | 3. Check wiring and components in control circuit | |
| 4. Atasco mecánico | 4. Clean iron core, inspect springs and sliding parts | |
| Ruido fuerte después de entrar | 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. Sobrecarga actual | 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. Burned contacts | 1. Replace auxiliary contact module |
| 2. Cableado suelto | 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 años
High-frequency cycling: 2 ~ 3 años
Ambiente áspero (temperatura alta / alta humedad): 1 ~ 2 años
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
- Directrices de selección
- Clasificación actual: Select current ≥ 1.2 veces la corriente nominal del motor. 12A is suitable for motors below 5.5kW.
- Voltaje de la bobina: Match coil voltage with control circuit voltage. Common ratings: 24En DC, 110V y, 220V y.
- Contactos auxiliares: 1NO for latching; 1NC for interlock; 1NO+1NC for complex control.
- Tipo de cableado: 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.
