Contattore,interruttore automatico,inverter solare,contatore elettrico,batterie solari
Interpretazione del codice modello
| Segmento di codice | Descrizione |
| CA10 | Basic series code: S0 size (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 di montaggio: Standard panel mounting (48mm cutout) |
| AA | 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 |
- Specifiche tecniche principali
| Categoria | Detailed Parameters | Osservazioni |
| Parametri di base | ||
| Marca / Origine | Kraus & Naimer / Austria | Blue series switch, founded in 1907 |
| Switch Type | Cam change-over switch | Struttura modulare, double-break silver alloy contacts |
| Dimensione | S0 (48×48mm) | Standard panel mounting size |
| Installation Mode | Panel mounting with depth adaptation | Side wiring to save installation space |
| Parametri Elettrici | ||
| Rated Insulation Voltage Ui | 690V CA/CC | Rispettare la norma IEC 60947-3 |
| Rated Operational Voltage Ue | 400V e (3-fase), 230V e (monofase) | |
| Rated Thermal Current Ith | 20UN | Continuous working current rating |
| Rated Operational Current Ie | 20UN (AC-15, 220-240V) | For resistive loads |
| Rated Operational Power | AC-23A: 7.5kW (3×380-440V) | Motor load capacity |
| AC-3: 5.5kW (3×380-440V) | ||
| Short-circuit Withstand Capacity | 10kA/1s @ 400V | |
| Parametri meccanici | ||
| Poli | 4P (4 poli) | |
| Operating Positions | 2 positions | No neutral middle position |
| Rotation Angle | 60° | Switching angle between two positions |
| Durata di servizio | Meccanico: 1,000,000 operazioni | |
| Elettrico: 10,000 operazioni (sotto carico nominale) | ||
| Tipo di contatto | Rigid double-break silver alloy contact | High conductivity and arc erosion resistance |
| Metodo di cablaggio | Side screw terminals | Captive screws with clamping plates |
| Classe di protezione | IP40 (pannello frontale) | Solid foreign object resistance per IEC 60529 |
| Parametri Ambientali | ||
| Temperatura operativa | -25°C~+55°C | Instant peak up to +60°C |
| Temperatura di conservazione | -40°C~+85°C | |
| Ambient Humidity | ≤95% (senza condensa) | |
| Installation Altitude | ≤2000m | Derating is required beyond this altitude |
- Difetti comuni & Linee guida per la manutenzione
3.1 Fault Troubleshooting Table
| Fenomeno di guasto | Possibili cause | Troubleshooting Procedures |
| Switch fails to shift | 1. Inceppamento meccanico | 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. Ossidazione da contatto / ablation | 1. Test contact resistance (＜50mΩ) |
| 2. Loose wiring terminals | 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 eccessivamente elevata | 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. Cablaggio errato | 3. Re-wire strictly according to wiring diagram |
3.2 Raccomandazioni per la manutenzione
- Ispezione giornaliera
Check knob operating flexibility monthly
Fasten wiring terminals quarterly (coppia: 2.5Nm)
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 anni, replace aging parts
Conduct insulation resistance test every 3 anni (≥100MΩ)
- Ciclo di sostituzione
Normal working condition: Vita meccanica 1,000,000 volte, vita elettrica 10,000 volte
Severe environment (polvere / umido / alta temperatura): Shorten replacement cycle by 50%
- Partial CA10 Series Model List
| Modello | Poli | Posizioni | Rotation Angle | Applicazione principale |
| CA10.A007.FT2 | 1P | 2 | 60° | Single-circuit power switching |
| CA10.A200.FT1 | 1P | 2 | 60° | Basic on-off control |
| CA10.A210-600FT2 | 3P | 2 | 60° | Motor start-stop control |
| CA10.A291-600FT2 | 4P | 2 | 60° | Main power isolation switch |
| CA10.WAA345EF | 4P | 2 | 60° | Equipment main power control (modello attuale) |
| CA10.PC6085-3 | 3P | 3 | 45° | Star-delta starting control |
| CA10.A710-600E | 3P | 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: AA, A007, A200, A210 etc. (define contact logic)
Auxiliary Code: 345, 600, 750 ecc. (contatti ausiliari & funzioni speciali)
Actuator Code: EF=Black Knob, FT=Lockable Knob, GBA=Key Operated
- Cross-brand Product Comparison
| Marca | Modello | Corrente nominale | Poli / Posizioni | Differenze fondamentali | Suitable Application |
| Kraus & Naimer | CA10.WAA345EF | 20UN | 4P / 2-posizione | Side wiring, shallow installation depth | Armadi di controllo con spazio limitato |
| Schneider | K1C003NCHC | 20UN | 4P / 2-posizione | Cablaggio frontale, modular structure | Standard cabinet installation |
| ABB | OT16F4 | 16UN | 4P / 2-posizione | Spring-loaded contacts, fast switching | Frequent operation occasions |
| Siemens | 3LD2100-0TK53 | 20UN | 4P / 2-posizione | Built-in auxiliary contacts & diagnostic function | High-level automatic control systems |
| Eaton | A22-200-400 | 20UN | 4P / 2-posizione | Cost-effective economical design | Mass installation & progetti di bilancio |
Punti chiave della selezione
- Modalità di cablaggio: KN CA10 adopts side wiring to save installation depth, ideal for compact layout
- Materiale di contatto: All adopt silver alloy contacts; KN double-break design offers stronger breaking capacity
- Durata di servizio: KN mechanical life reaches 1,000,000 volte, superior to most peer products
- Certificazioni: All conform to IEC 60947-3 with CE and UL approvals
- Conformità del trasporto aereo & Documenti di certificazione
6.1 Air Transportation Compliance
| Compliance Item | Specifica | 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 |
| Numero ONU | UN number is not required | Non-dangerous commodity |
6.2 Informazioni sulla certificazione
| Tipo di certificato | Executive Standard | Certificato n. | Applicable Region |
| CE Certificate | CEI 60947-3, IN 60947-3 | KN-CA10-CE-001 | Unione Europea & European Economic Area |
| UL Certificate | UL 98, UL 508 | E257568 | America del Nord |
| VDE Certificate | VDE 0660 Parte 107 | 40000123 | Germania & European markets |
| RoHS Certificate | 2011/65/Unione Europea | KN-RoHS-2026 | Global eco-friendly markets |
| CCC Certificate | GB 14048.3 | CCC-KN-007 | Chinese mainland market |
- Applicazione & Guida alla selezione
Scenari applicabili
- Automazione industriale
Controllo motorio: Direct start and stop control for small motors (≤5.5kW)
Commutazione di potenza: Equipment main power on/off and standby power switching
Signal switching: Control circuit signal selection and test equipment signal switching
- Ingegneria elettrica edile
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
- Nuova industria energetica
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)
- Informazioni sull'ordinazione
Modello del prodotto: CA10.WAA345EF
Minimum Order Quantity: 1 piece
Tempi di consegna: 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
Periodo di garanzia: 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 (Controllare & Load Switches, 10~32A)
S0 size 48×48mm standard control switches with side screw terminals, suitable for compact installation, extended models of CA10.WAA345EF.
| Modello | Poli / Posizioni | Corrente nominale | Rotation Angle | Caratteristiche principali | Applicazione tipica |
| CA4.A230-600E | 1P / 2-posizione | 10UN | 60° | Mini size, gold-plated contacts optional | Signal switching, instrument control |
| CA10.A291-600FT2 | 4P / 2-posizione | 20UN | 60° | Lockable knob for misoperation prevention | Equipment main power safety switch |
| CA10.PC6085-3 | 3P / 3-posizione | 20UN | 45° | Special star-delta cam | Star-delta starting for motors ≤5.5kW |
| CA10.A710-600E | 3P / 2-posizione | 20UN | 60° | Forward/reverse dedicated cam | Conveyor, water pump direction switching |
| CA20.A290-600E | 4P / 2-posizione | 32UN | 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.
| Modello | Poli / Posizioni | Corrente nominale | Modalità di cablaggio | Vantaggi fondamentali | Scenari applicabili |
| CG10.A200.FT1 | 1P / 2-posizione | 10UN | Cablaggio frontale | Easy installation and wiring | Small control cabinets, funzionamento frequente |
| CG10.A210-600FT2 | 3P / 2-posizione | 10UN | Cablaggio frontale | Dedicated motor control cam | Direct start of motors ≤2.2kW |
| CG25.A290-600E | 4P / 2-posizione | 25UN | Cablaggio frontale | High current bearing, double-break design | Medium equipment power control, 3-phase 4-wire system |
| CG40.A291-600E | 4P / 2-posizione | 40UN | Cablaggio frontale | Heavy-duty structure, long mechanical life | 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.
| Modello | Poli / Posizioni | Corrente nominale | Tipo di contatto | Applicazione principale | Unique Advantages |
| CH10.A007.FT2 | 1P / 2-posizione | 10UN | Lega d'argento | Single-channel signal switching, instrument selection | Ultra-low contact resistance, high-precision measurement |
| CH10.A210-600E | 3P / 2-posizione | 10UN | Gold-plated (opzionale) | Voltaggio & current switching, test equipment | Anti-corrosion, suitable for humid environment |
| CH20.A290-600E | 4P / 2-posizione | 20UN | Lega d'argento | Multi-functional instrument control, multi-way switching | Progettazione modulare, expandable auxiliary contacts |
| CH40.A291-600E | 4P / 2-posizione | 40UN | Lega d'argento | 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, conforme alla CEI 60947-3.
| Modello | Corrente nominale | Poli | Classe di protezione | Funzione fondamentale | Applicazione tipica |
| KG10.A001-600 | 10UN | 2P | IP40 | Basic isolation function | Small equipment power isolation, maintenance protection |
| KG16.A200-600 | 16UN | 3P | IP40 | With built-in auxiliary contacts | Machine tool main power, 3-phase motor isolation |
| KG20.A290-600 | 20UN | 4P | IP40 | Full-pole isolation | 4-wire system power isolation, prevenzione delle scosse elettriche |
| KG32.A291-600 | 32UN | 4P | IP40 | 10kA high short-circuit withstand | Medium equipment main switch, distribution cabinet isolation |
| KG63.A290-600 | 63UN | 4P | IP40 | Heavy-duty reinforced structure | Large industrial equipment main power, power distribution system |
Safety Design Highlights
- 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
- Special Application Series
5.1 Explosion-proof Series (CA-Ex / CG-Ex / KG-Ex)
Modelli tipici: CA10-Ex.A290-600E, KG20-Ex.A291-600
Certificazione: ATEX certified, applicable to Zone1/21 gas hazardous area and Zone2/22 dust hazardous area
Applicazione: Chimico, petroleum, natural gas, mining and other flammable and explosive industries
5.2 Dedicated DC Series (G20)
Modelli tipici: G20.1000, G20.2000
Tensione nominale: CC 1000 V / DC 1500V, corrente nominale: 100A~2000A
Applicazione: Photovoltaic inverters, sistemi di accumulo dell’energia, electric vehicle charging piles
5.3 High-current L Series (350~2400A)
Caratteristiche: Modular assembly, expandable auxiliary contacts, IP54 protection grade
Applicazione: Industrial main power distribution, large generator set power control
- Quick Selection Table by Application Scenario
| Scenario applicativo | Serie consigliata | Modello tipico | Parametri chiave |
| Piccolo controllo motorio (≤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, 20UN |
| Instrument signal switching | CH10 | CH10.A007.FT2 | 1P/2-position, gold-plated contact optional |
| Machine tool maintenance switch | KG Series | KG16.A200-600 | 3-palo, lockable type, safety interlock |
| Photovoltaic & energy storage system | G20 | G20.1000 | DC1000V, 100Una valutazione |
| Explosion-proof working environment | CA-Ex Series | CA10-Ex.A290-600E | ATEX certified, Zone1 applicable |
- Note sulla selezione
- Corrispondenza attuale: Select switches according to AC-3 motor load standard, reserve 1.2~1.5 times current margin
- Selezione del palo: Choose 3-pole for pure 3-phase loads, 4-pole for 3-phase 4-wire system to realize neutral line breaking
- Modalità operativa: Adopt lockable knob for frequent use to prevent misoperation; key-operated type for high-safety occasions
- Adattamento ambientale: 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. Contatto | EF=Black Knob / FT=Lockable Knob |
| KG Series | KG20 | Fixed enclosed type | A290=4P/2-position | 600=Standard Aux. Contatto | Maniglia rotante / key handle |
| Explosion-proof Series | CA10-Ex | Montaggio standard | A290=4P/2-position | 600=Standard Aux. Contatto | Explosion-proof dedicated handle |
| DC G20 Series | G20 | Panel mounting | 1000=100A rating | — | Rotary operating handle |
