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Interpretación del código modelo
| Segmento de código | Descripción |
| CA10 | Basic series code: Tamaño S0 (48×48mm) universal cam switch, side-mounted screw terminals, suitable for shallow installation depth, rated thermal current 20A |
| . | Separator to distinguish basic model and functional configuration |
| W. | Tipo de montaje: Standard panel mounting (48mm cutout) |
| Automóvil club británico | Cam configuration code: Dedicated contact switching logic (4-pole 2-position, 60° rotation angle) |
| 345 | Auxiliary function code: Equipped with specified auxiliary contact layout |
| EF | Actuator/handle type: Black plastic knob, IP40 protection degree |
- Especificaciones técnicas básicas
| Categoría | Parámetros detallados | Observaciones |
| Parámetros básicos | ||
| Marca / Origen | Kraus & Naimer / Austria | Blue series switch, founded in 1907 |
| Switch Type | Cam change-over switch | Estructura modular, double-break silver alloy contacts |
| Dimensión | S0 (48×48mm) | Standard panel mounting size |
| Modo de instalación | Panel mounting with depth adaptation | Side wiring to save installation space |
| Parámetros eléctricos | ||
| Tensión nominal de aislamiento Ui | 690VCA/CC | Cumplir con IEC 60947-3 |
| Rated Operational Voltage Ue | 400V y (3-fase), 230V y (monofásico) | |
| Rated Thermal Current Ith | 20A | Continuous working current rating |
| Rated Operational Current Ie | 20A (AC-15, 220-240V) | Para cargas resistivas |
| Rated Operational Power | AC-23A: 7.5kilovatios (3×380-440V) | Motor load capacity |
| AC-3: 5.5kilovatios (3×380-440V) | ||
| Short-circuit Withstand Capacity | 10kA/1s @ 400V | |
| Parámetros mecánicos | ||
| polacos | 4PAG (4 polos) | |
| Operating Positions | 2 posiciones | No neutral middle position |
| Rotation Angle | 60° | Switching angle between two positions |
| Vida útil | Mecánico: 1,000,000 operaciones | |
| Eléctrico: 10,000 operaciones (bajo carga nominal) | ||
| Tipo de contacto | Rigid double-break silver alloy contact | High conductivity and arc erosion resistance |
| Método de cableado | Side screw terminals | Captive screws with clamping plates |
| Clase de protección | IP40 (panel frontal) | Solid foreign object resistance per IEC 60529 |
| Parámetros ambientales | ||
| Temperatura de funcionamiento | -25°C ~ +55°C | Instant peak up to +60°C |
| Temperatura de almacenamiento | -40°C ~ +85°C | |
| Ambient Humidity | ≤95% (sin condensación) | |
| Installation Altitude | ≤2000m | Derating is required beyond this altitude |
- Fallos comunes & Pautas de mantenimiento
3.1 Fault Troubleshooting Table
| Fenómeno de falla | Posibles causas | Troubleshooting Procedures |
| Switch fails to shift | 1. Atasco mecánico | 1. Cut off power and check knob flexibility |
| 2. Cam abrasion | 2. Disassemble to inspect cam assembly and springs | |
| 3. Internal spring failure | 3. Remove foreign substances inside the switch | |
| Poor contact performance | 1. Contact oxidation / ablation | 1. Test contact resistance (＜50mΩ) |
| 2. Terminales de cableado flojos | 2. Retighten terminal screws | |
| 3. Insufficient contact pressure | 3. Replace contacts if wear exceeds 1mm | |
| Overload tripping | 1. Actual load exceeds rated value | 1. Verify load matching with switch rating |
| 2. Excessive contact resistance | 2. Clean or replace defective contacts | |
| 3. Temperatura ambiente excesivamente alta | 3. Optimize ventilation and heat dissipation | |
| Insulation failure | 1. Excessive dust accumulation | 1. Power off and clean internal dust |
| 2. Aging insulation components | 2. Check cracks on insulation parts | |
| 3. Cableado incorrecto | 3. Re-wire strictly according to wiring diagram |
3.2 Recomendaciones de mantenimiento
- Inspección diaria
Check knob operating flexibility monthly
Fasten wiring terminals quarterly (esfuerzo de torsión: 2.5Nuevo Méjico)
Clean internal and surface dust semi-annually (power-off operation required)
- Periodic Maintenance
Inspect contact wear annually and replace contact assembly if needed
Check cam and spring conditions every 2 años, replace aging parts
Conduct insulation resistance test every 3 años (≥100MΩ)
- Replacement Cycle
Normal working condition: Vida mecánica 1,000,000 veces, vida electrica 10,000 veces
Severe environment (polvo / húmedo / temperatura alta): Shorten replacement cycle by 50%
- Partial CA10 Series Model List
| Modelo | polacos | Positions | Rotation Angle | Aplicación principal |
| CA10.A007.FT2 | 1PAG | 2 | 60° | Single-circuit power switching |
| CA10.A200.FT1 | 1PAG | 2 | 60° | Basic on-off control |
| CA10.A210-600FT2 | 3PAG | 2 | 60° | Motor start-stop control |
| CA10.A291-600FT2 | 4PAG | 2 | 60° | Main power isolation switch |
| CA10.WAA345EF | 4PAG | 2 | 60° | Equipment main power control (current model) |
| CA10.PC6085-3 | 3PAG | 3 | 45° | Star-delta starting control |
| CA10.A710-600E | 3PAG | 2 | 60° | Motor forward/reverse switching |
Complete Naming Convention
CA10.[Mounting Code][Cam Code][Auxiliary Code][Actuator Code]
Mounting Code: W=Standard Panel, V=Vertical Mount, F=Front Mount
Cam Code: Automóvil club británico, A007, A200, A210 etc. (define contact logic)
Auxiliary Code: 345, 600, 750 etc.. (contactos auxiliares & funciones especiales)
Actuator Code: EF=Black Knob, FT=Lockable Knob, GBA=Key Operated
- Cross-brand Product Comparison
| Marca | Modelo | Corriente nominal | polacos / Positions | Diferencias fundamentales | Suitable Application |
| Kraus & Naimer | CA10.WAA345EF | 20A | 4PAG / 2-posición | Side wiring, shallow installation depth | Space-limited control cabinets |
| Schneider | K1C003NCHC | 20A | 4PAG / 2-posición | Cableado frontal, modular structure | Standard cabinet installation |
| TEJIDO | OT16F4 | 16A | 4PAG / 2-posición | Spring-loaded contacts, fast switching | Frequent operation occasions |
| siemens | 3LD2100-0TK53 | 20A | 4PAG / 2-posición | Built-in auxiliary contacts & diagnostic function | High-level automatic control systems |
| Eaton | A22-200-400 | 20A | 4PAG / 2-posición | Cost-effective economical design | Mass installation & budget projects |
Puntos clave de selección
- Modo de cableado: KN CA10 adopts side wiring to save installation depth, ideal for compact layout
- Material de contacto: All adopt silver alloy contacts; KN double-break design offers stronger breaking capacity
- Vida útil: KN mechanical life reaches 1,000,000 veces, superior to most peer products
- Certificaciones: All conform to IEC 60947-3 with CE and UL approvals
- Cumplimiento del transporte aéreo & Documentos de certificación
6.1 Air Transportation Compliance
| Compliance Item | Especificación | Official Basis |
| Hazardous Goods Classification | Non-hazardous goods, no built-in lithium battery / super capacitor | IATA DGR 2026 Special Provision 9 |
| Shipping Package | Standard industrial packaging, stackable and shock-resistant | IATA DGR 8.1.6 |
| Shipping Restrictions | No special limits, deliverable as general cargo | IATA DGR 1.1.3.2 |
| UN Number | UN number is not required | Non-dangerous commodity |
6.2 Información de certificación
| Certificate Type | Executive Standard | Número de certificado. | Applicable Region |
| CE Certificate | CEI 60947-3, EN 60947-3 | KN-CA10-CE-001 | EU & European Economic Area |
| UL Certificate | UL 98, UL 508 | E257568 | América del norte |
| VDE Certificate | VDE 0660 Parte 107 | 40000123 | Alemania & European markets |
| RoHS Certificate | 2011/65/EU | KN-RoHS-2026 | Global eco-friendly markets |
| CCC Certificate | ES 14048.3 | CCC-KN-007 | Chinese mainland market |
- Solicitud & Guía de selección
Escenarios aplicables
- Automatización Industrial
control de motores: Direct start and stop control for small motors (≤5.5kW)
Conmutación de energía: Equipment main power on/off and standby power switching
Conmutación de señal: Control circuit signal selection and test equipment signal switching
- Ingeniería eléctrica de la construcción
Zoned control of large lighting systems
Auxiliary equipment control for air conditioning systems such as fans and water pumps
Power supply control for alarm devices and monitoring systems
- Nueva industria energética
Combiner box power switching for photovoltaic systems
Charge and discharge control for energy storage battery packs
Load switching and protection for small generators
Non-recommended Usage Scenarios
- Occasions with over 100 switching cycles per day (contactor is preferred)
- Direct startup control of high inductive loads such as large transformers (special dedicated switches required)
- Explosion-proof hazardous areas (explosion-proof type switches shall be adopted)
- Underwater environment or long-term high humidity environment (insufficient protection grade)
- Información de pedido
Modelo de producto: CA10.WAA345EF
Minimum Order Quantity: 1 piece
Lead Time: 7-10 working days for standard models; 15-20 working days for special customized models
Packaging Standard: Single inner carton, 10 pieces per outer carton
Período de garantía: 2 years under normal operating conditions
KRAUS&NAIMER Full Series Model Recommendation Guide
Mainstream models are classified into Control Switches, Isolating Switches and Special-purpose Switches, covering various current ratings, pole configurations and working conditions, all adopting brand mature high-performance double-break contacts and modular design concepts.
- CA Series (Control & Load Switches, 10~32A)
S0 size 48×48mm standard control switches with side screw terminals, suitable for compact installation, extended models of CA10.WAA345EF.
| Modelo | polacos / Positions | Corriente nominal | Rotation Angle | Características principales | Aplicación típica |
| CA4.A230-600E | 1PAG / 2-posición | 10A | 60° | tamaño pequeño, gold-plated contacts optional | Conmutación de señal, instrument control |
| CA10.A291-600FT2 | 4PAG / 2-posición | 20A | 60° | Lockable knob for misoperation prevention | Equipment main power safety switch |
| CA10.PC6085-3 | 3PAG / 3-posición | 20A | 45° | Special star-delta cam | Star-delta starting for motors ≤5.5kW |
| CA10.A710-600E | 3PAG / 2-posición | 20A | 60° | Forward/reverse dedicated cam | Conveyor, water pump direction switching |
| CA20.A290-600E | 4PAG / 2-posición | 32A | 60° | Higher current rating, double-break structure | Main power control for large 3-phase equipment |
Model Explanation Example: CA10.A291-600FT2
CA10: S0 outline size, 20A rated thermal current
A291: 4-pole 2-position cam logic, full-pole on-off
600: Standard auxiliary contact configuration
FT2: Lockable black knob to avoid accidental operation
- CG Series (Compact Heavy-duty Control Switches, 10~40A)
Same overall dimension as CA series, equipped with front wiring terminals, more convenient for standard control cabinet installation.
| Modelo | polacos / Positions | Corriente nominal | Modo de cableado | Ventajas principales | Escenarios aplicables |
| CG10.A200.FT1 | 1PAG / 2-posición | 10A | Cableado frontal | Easy installation and wiring | Small control cabinets, operación frecuente |
| CG10.A210-600FT2 | 3PAG / 2-posición | 10A | Cableado frontal | Dedicated motor control cam | Direct start of motors ≤2.2kW |
| CG25.A290-600E | 4PAG / 2-posición | 25A | Cableado frontal | High current bearing, double-break design | Medium equipment power control, 3-phase 4-wire system |
| CG40.A291-600E | 4PAG / 2-posición | 40A | Cableado frontal | Heavy-duty structure, larga vida mecánica | Heavy equipment frequent start-stop control |
- CH Series (Instrument & Precision Control Switches, 10~40A)
Specially developed for instrument measurement and precise signal switching, optional gold-plated contacts, applicable to low-current high-precision control occasions.
| Modelo | polacos / Positions | Corriente nominal | Tipo de contacto | Aplicación principal | Unique Advantages |
| CH10.A007.FT2 | 1PAG / 2-posición | 10A | aleación de plata | Single-channel signal switching, instrument selection | Ultra-low contact resistance, medición de alta precisión |
| CH10.A210-600E | 3PAG / 2-posición | 10A | Gold-plated (opcional) | Voltaje & current switching, test equipment | Anti-corrosion, suitable for humid environment |
| CH20.A290-600E | 4PAG / 2-posición | 20A | aleación de plata | Multi-functional instrument control, multi-way switching | Diseño modular, expandable auxiliary contacts |
| CH40.A291-600E | 4PAG / 2-posición | 40A | aleación de plata | Industrial instrument main power, signal distribution | Excellent insulation performance, fit for high-voltage measurement system |
- KG Series (Safety Isolating Switches, 10~63A)
Enclosed safety isolating switches with excellent short-circuit resistance, preferred main switch and maintenance switch for machine tools and power distribution cabinets, Cumple con IEC 60947-3.
| Modelo | Corriente nominal | polacos | Clase de protección | Función principal | Aplicación típica |
| KG10.A001-600 | 10A | 2PAG | IP40 | Basic isolation function | Small equipment power isolation, maintenance protection |
| KG16.A200-600 | 16A | 3PAG | IP40 | With built-in auxiliary contacts | Machine tool main power, 3-phase motor isolation |
| KG20.A290-600 | 20A | 4PAG | IP40 | Full-pole isolation | 4-wire system power isolation, prevención de descargas eléctricas |
| KG32.A291-600 | 32A | 4PAG | IP40 | 10kA high short-circuit withstand | Medium equipment main switch, distribution cabinet isolation |
| KG63.A290-600 | 63A | 4PAG | IP40 | Heavy-duty reinforced structure | Large industrial equipment main power, power distribution system |
Aspectos destacados del diseño de seguridad
- Forced breaking structure ensures reliable contact separation and eliminates arc risks
- Extra large isolation clearance beyond industry standard to improve operational safety
- Optional cabinet door interlock device to prevent live cabinet opening operation
- Serie de aplicaciones especiales
5.1 Explosion-proof Series (CA-Ex / CG-Ex / KG-Ex)
Modelos típicos: CA10-Ex.A290-600E, KG20-Ex.A291-600
Proceso de dar un título: ATEX certified, applicable to Zone1/21 gas hazardous area and Zone2/22 dust hazardous area
Solicitud: Químico, petroleum, natural gas, mining and other flammable and explosive industries
5.2 Dedicated DC Series (G20)
Modelos típicos: G20.1000, G20.2000
Tensión nominal: DC 1000V / DC 1500V, corriente nominal: 100A~2000A
Solicitud: Photovoltaic inverters, energy storage systems, electric vehicle charging piles
5.3 High-current L Series (350~2400A)
Características: Modular assembly, expandable auxiliary contacts, IP54 protection grade
Solicitud: Industrial main power distribution, large generator set power control
- Quick Selection Table by Application Scenario
| Escenario de aplicación | Serie recomendada | Modelo típico | Parámetros clave |
| Small motor control (≤5.5kW) | CA10 / CG10 | CA10.PC6085-3 | 3P/3-position, star-delta startup |
| Equipment main power switch | CA10 / KG20 | CA10.WAA345EF / KG20.A290-600 | 4P/2-position, 20A |
| Instrument signal switching | CH10 | CH10.A007.FT2 | 1P/2-position, gold-plated contact optional |
| Machine tool maintenance switch | KG Series | KG16.A200-600 | 3-polo, lockable type, safety interlock |
| fotovoltaica & sistema de almacenamiento de energía | G20 | G20.1000 | DC1000V, 100una calificación |
| Explosion-proof working environment | CA-Ex Series | CA10-Ex.A290-600E | ATEX certified, Zone1 applicable |
- Notas de selección
- Coincidencia actual: Select switches according to AC-3 motor load standard, reserve 1.2~1.5 times current margin
- Selección de polos: Choose 3-pole for pure 3-phase loads, 4-pole for 3-phase 4-wire system to realize neutral line breaking
- Modo de operación: Adopt lockable knob for frequent use to prevent misoperation; key-operated type for high-safety occasions
- Adaptación ambiental: Select IP65 high protection grade for damp sites; stainless steel shell type for corrosive environment
- General Naming Rule Summary
| Serie | Basic Code | Mounting Code | Cam Code | Auxiliary Code | Actuator Code |
| CA/CG/CH | CA10 | W=Panel / V=Vertical | A291=4P/2-position | 600=Standard Aux. Contacto | EF=Black Knob / FT=Lockable Knob |
| KG Series | KG20 | Fixed enclosed type | A290=4P/2-position | 600=Standard Aux. Contacto | Mango giratorio / key handle |
| Explosion-proof Series | CA10-Ex | Montaje estándar | A290=4P/2-position | 600=Standard Aux. Contacto | Explosion-proof dedicated handle |
| DC G20 Series | G20 | Panel mounting | 1000=100A rating | — | Rotary operating handle |
