Contactor,întrerupător de circuit,invertor solar,contor electric,baterii solare
Interpretarea Codului Modelului
| Segment de cod | Descriere |
| CA10 | Basic series code: Mărimea S0 (48×48 mm) comutator universal cu came, side-mounted screw terminals, suitable for shallow installation depth, curent termic nominal 20A |
| . | Separator to distinguish basic model and functional configuration |
| W | Tip de montare: Montare standard pe panou (48mm cutout) |
| AA | Cam configuration code: Dedicated contact switching logic (4-pole 2-position, 60° rotation angle) |
| 345 | Codul funcției auxiliare: Equipped with specified auxiliary contact layout |
| EF | Actuator/handle type: Black plastic knob, IP40 protection degree |
- Specificații tehnice de bază
| Categorie | Detailed Parameters | Observații |
| Parametrii de bază | ||
| Marca / Origine | Kraus & Naimer / Austria | Blue series switch, founded in 1907 |
| Tip comutator | Cam change-over switch | Structură modulară, double-break silver alloy contacts |
| Dimensiune | S0 (48×48 mm) | Dimensiune standard de montare pe panou |
| Modul de instalare | Panel mounting with depth adaptation | Side wiring to save installation space |
| Parametrii electrici | ||
| Tensiune nominală de izolație Ui | 690V AC/DC | Respectați IEC 60947-3 |
| Rated Operational Voltage Ue | 400V și (3-fază), 230V și (monofazat) | |
| Rated Thermal Current Ith | 20O | Continuous working current rating |
| Curent nominal de operare Ie | 20O (AC-15, 220-240V) | Pentru sarcini rezistive |
| 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 mecanici | ||
| Polonii | 4P (4 stâlpi) | |
| Operating Positions | 2 pozitii | No neutral middle position |
| Rotation Angle | 60° | Switching angle between two positions |
| Durata de viață | Mecanic: 1,000,000 operațiuni | |
| Electric: 10,000 operațiuni (under rated load) | ||
| Tip de contact | Rigid double-break silver alloy contact | High conductivity and arc erosion resistance |
| Metoda de cablare | Side screw terminals | Captive screws with clamping plates |
| Clasa de protectie | IP40 (panoul frontal) | Solid foreign object resistance per IEC 60529 |
| Parametrii de mediu | ||
| Temperatura de operare | -25°C ~ +55°C | Instant peak up to +60°C |
| Temperatura de depozitare | -40°C ~ +85°C | |
| Umiditatea mediului ambiant | ≤95% (necondens) | |
| Altitudine de instalare | ≤2000m | Derating is required beyond this altitude |
- Defecte comune & Ghid de întreținere
3.1 Fault Troubleshooting Table
| Fenomen de eroare | Cauze posibile | Troubleshooting Procedures |
| Switch fails to shift | 1. Blocaj mecanic | 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 | |
| Performanță slabă de contact | 1. Oxidare de contact / ablation | 1. Test contact resistance (＜50mΩ) |
| 2. Borne de cablare slăbite | 2. Strângeți din nou șuruburile terminalelor | |
| 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. Rezistență de contact excesivă | 2. Clean or replace defective contacts | |
| 3. Temperatura ambientală excesiv de ridicată | 3. Optimize ventilation and heat dissipation | |
| Defecțiunea izolației | 1. Excessive dust accumulation | 1. Power off and clean internal dust |
| 2. Aging insulation components | 2. Check cracks on insulation parts | |
| 3. Cablaj incorect | 3. Re-wire strictly according to wiring diagram |
3.2 Recomandări de întreținere
- Inspecție zilnică
Check knob operating flexibility monthly
Fasten wiring terminals quarterly (cuplu: 2.5Nm)
Clean internal and surface dust semi-annually (power-off operation required)
- Întreținere periodică
Inspect contact wear annually and replace contact assembly if needed
Check cam and spring conditions every 2 ani, replace aging parts
Conduct insulation resistance test every 3 ani (≥100MΩ)
- Ciclul de înlocuire
Normal working condition: Durata de viata mecanica 1,000,000 ori, viata electrica 10,000 ori
Severe environment (praf / umed / temperatură ridicată): Shorten replacement cycle by 50%
- Partial CA10 Series Model List
| Model | Polonii | Poziții | Rotation Angle | Aplicația principală |
| 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° | Comutator principal de izolare a puterii |
| CA10.WAA345EF | 4P | 2 | 60° | Equipment main power control (modelul actual) |
| CA10.PC6085-3 | 3P | 3 | 45° | Star-delta starting control |
| CA10.A710-600E | 3P | 2 | 60° | Motor forward/reverse switching |
Complete Naming Convention
CA10.[Cod de montaj][Cam Code][Auxiliary Code][Actuator Code]
Cod de montaj: W=Standard Panel, V=Vertical Mount, F=Front Mount
Cam Code: AA, A007, A200, A210 etc. (define contact logic)
Auxiliary Code: 345, 600, 750 etc. (contacte auxiliare & special functions)
Actuator Code: EF=Black Knob, FT=Lockable Knob, GBA=Key Operated
- Cross-brand Product Comparison
| Marca | Model | Curent nominal | Polonii / Poziții | Diferențele de bază | Suitable Application |
| Kraus & Naimer | CA10.WAA345EF | 20O | 4P / 2-poziţie | Side wiring, shallow installation depth | Space-limited control cabinets |
| Schneider | K1C003NCHC | 20O | 4P / 2-poziţie | Front wiring, modular structure | Standard cabinet installation |
| ABB | OT16F4 | 16O | 4P / 2-poziţie | Spring-loaded contacts, fast switching | Frequent operation occasions |
| Siemens | 3LD2100-0TK53 | 20O | 4P / 2-poziţie | Built-in auxiliary contacts & diagnostic function | High-level automatic control systems |
| Eaton | A22-200-400 | 20O | 4P / 2-poziţie | Cost-effective economical design | Mass installation & proiecte bugetare |
Puncte cheie ale selecției
- Modul de cablare: KN CA10 adopts side wiring to save installation depth, ideal for compact layout
- Material de contact: All adopt silver alloy contacts; KN double-break design offers stronger breaking capacity
- Durata de viață: KN mechanical life reaches 1,000,000 ori, superior to most peer products
- Certificari: All conform to IEC 60947-3 with CE and UL approvals
- Conformitatea transportului aerian & Documente de certificare
6.1 Air Transportation Compliance
| Element de conformitate | Caietul de sarcini | Official Basis |
| Hazardous Goods Classification | Non-hazardous goods, fara baterie cu litiu incorporata / super condensator | IATA DGR 2026 Special Provision 9 |
| Shipping Package | Standard industrial packaging, stackable and shock-resistant | IATA DGR 8.1.6 |
| Shipping Restrictions | Fără limite speciale, deliverable as general cargo | IATA DGR 1.1.3.2 |
| Număr ONU | UN number is not required | Non-dangerous commodity |
6.2 Informații de certificare
| Certificate Type | Standard executiv | Certificatul nr. | Applicable Region |
| CE Certificate | IEC 60947-3, ÎN 60947-3 | KN-CA10-CE-001 | UE & Spațiul Economic European |
| UL Certificate | UL 98, UL 508 | E257568 | America de Nord |
| VDE Certificate | VDE 0660 Parte 107 | 40000123 | Germania & European markets |
| Certificat RoHS | 2011/65/UE | KN-RoHS-2026 | Piețe globale ecologice |
| CCC Certificate | GB 14048.3 | CCC-KN-007 | Chinese mainland market |
- Aplicație & Ghid de selecție
Scenarii aplicabile
- Automatizare industrială
Controlul motorului: Direct start and stop control for small motors (≤5,5kW)
Comutarea puterii: Equipment main power on/off and standby power switching
Comutarea semnalului: Control circuit signal selection and test equipment signal switching
- Inginerie electrică a clădirilor
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
- Noua industrie a energiei
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)
- Informații de comandă
Model de produs: CA10.WAA345EF
Cantitatea minima de comanda: 1 bucată
Perioada de graţie: 7-10 working days for standard models; 15-20 working days for special customized models
Standard de ambalare: Single inner carton, 10 pieces per outer carton
Perioada de garanție: 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 (Controla & Load Switches, 10~32A)
S0 size 48×48mm standard control switches with side screw terminals, suitable for compact installation, extended models of CA10.WAA345EF.
| Model | Polonii / Poziții | Curent nominal | Rotation Angle | Caracteristici de bază | Aplicație tipică |
| CA4.A230-600E | 1P / 2-poziţie | 10O | 60° | Mini size, gold-plated contacts optional | Comutarea semnalului, instrument control |
| CA10.A291-600FT2 | 4P / 2-poziţie | 20O | 60° | Lockable knob for misoperation prevention | Equipment main power safety switch |
| CA10.PC6085-3 | 3P / 3-poziţie | 20O | 45° | Special star-delta cam | Star-delta starting for motors ≤5.5kW |
| CA10.A710-600E | 3P / 2-poziţie | 20O | 60° | Forward/reverse dedicated cam | Transportor, water pump direction switching |
| CA20.A290-600E | 4P / 2-poziţie | 32O | 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.
| Model | Polonii / Poziții | Curent nominal | Modul de cablare | Avantajele de bază | Scenarii aplicabile |
| CG10.A200.FT1 | 1P / 2-poziţie | 10O | Front wiring | Easy installation and wiring | Small control cabinets, operare frecventă |
| CG10.A210-600FT2 | 3P / 2-poziţie | 10O | Front wiring | Dedicated motor control cam | Direct start of motors ≤2.2kW |
| CG25.A290-600E | 4P / 2-poziţie | 25O | Front wiring | High current bearing, design cu dublă rupere | Medium equipment power control, 3-phase 4-wire system |
| CG40.A291-600E | 4P / 2-poziţie | 40O | Front wiring | 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.
| Model | Polonii / Poziții | Curent nominal | Tip de contact | Aplicația de bază | Unique Advantages |
| CH10.A007.FT2 | 1P / 2-poziţie | 10O | Aliaj de argint | Single-channel signal switching, instrument selection | Ultra-low contact resistance, măsurare de înaltă precizie |
| CH10.A210-600E | 3P / 2-poziţie | 10O | Gold-plated (opțional) | Voltaj & current switching, test equipment | Anti-corrosion, suitable for humid environment |
| CH20.A290-600E | 4P / 2-poziţie | 20O | Aliaj de argint | Multi-functional instrument control, multi-way switching | Design modular, expandable auxiliary contacts |
| CH40.A291-600E | 4P / 2-poziţie | 40O | Aliaj de argint | 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, conform cu IEC 60947-3.
| Model | Curent nominal | Polonii | Clasa de protectie | Funcția de bază | Aplicație tipică |
| KG10.A001-600 | 10O | 2P | IP40 | Basic isolation function | Small equipment power isolation, maintenance protection |
| KG16.A200-600 | 16O | 3P | IP40 | With built-in auxiliary contacts | Machine tool main power, 3-phase motor isolation |
| KG20.A290-600 | 20O | 4P | IP40 | Full-pole isolation | 4-wire system power isolation, prevenirea șocurilor electrice |
| KG32.A291-600 | 32O | 4P | IP40 | 10kA high short-circuit withstand | Medium equipment main switch, distribution cabinet isolation |
| KG63.A290-600 | 63O | 4P | IP40 | Heavy-duty reinforced structure | Large industrial equipment main power, power distribution system |
Repere în design de siguranță
- 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
- Seria de aplicații speciale
5.1 Seria rezistenta la explozie (CA-Ex / CG-Ex / KG-Ex)
Modele tipice: CA10-Ex.A290-600E, KG20-Ex.A291-600
Certificare: ATEX certified, applicable to Zone1/21 gas hazardous area and Zone2/22 dust hazardous area
Aplicație: Chimic, petrol, natural gas, mining and other flammable and explosive industries
5.2 Dedicated DC Series (G20)
Modele tipice: G20.1000, G20.2000
Tensiune nominală: DC 1000V / DC 1500V, curent nominal: 100A~2000A
Aplicație: Photovoltaic inverters, sisteme de stocare a energiei, electric vehicle charging piles
5.3 High-current L Series (350~2400A)
Caracteristici: Modular assembly, expandable auxiliary contacts, IP54 protection grade
Aplicație: Industrial main power distribution, large generator set power control
- Quick Selection Table by Application Scenario
| Scenariul aplicației | Seria recomandată | Model tipic | Parametri cheie |
| Controlul motorului mic (≤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, 20O |
| Instrument signal switching | CH10 | CH10.A007.FT2 | 1P/2-position, gold-plated contact optional |
| Machine tool maintenance switch | KG Series | KG16.A200-600 | 3-pol, lockable type, safety interlock |
| Fotovoltaic & sistem de stocare a energiei | G20 | G20.1000 | DC1000V, 100O evaluare |
| Mediu de lucru rezistent la explozie | CA-Ex Series | CA10-Ex.A290-600E | ATEX certified, Zone1 applicable |
- Note de selecție
- Potrivire curentă: Select switches according to AC-3 motor load standard, reserve 1.2~1.5 times current margin
- Selectarea stâlpilor: Choose 3-pole for pure 3-phase loads, 4-pole for 3-phase 4-wire system to realize neutral line breaking
- Modul de operare: Adopt lockable knob for frequent use to prevent misoperation; key-operated type for high-safety occasions
- Adaptarea mediului: Select IP65 high protection grade for damp sites; stainless steel shell type for corrosive environment
- General Naming Rule Summary
| Serie | Basic Code | Cod de montaj | Cam Code | Auxiliary Code | Actuator Code |
| CA/CG/CH | CA10 | W=Panel / V=Vertical | A291=4P/2-position | 600=Standard Aux. Contact | EF=Black Knob / FT=Lockable Knob |
| KG Series | KG20 | Fixed enclosed type | A290=4P/2-position | 600=Standard Aux. Contact | Mâner rotativ / key handle |
| Seria rezistenta la explozie | CA10-Ex | Standard mounting | A290=4P/2-position | 600=Standard Aux. Contact | Explosion-proof dedicated handle |
| DC G20 Series | G20 | Montare pe panou | 1000=100A rating | — | Rotary operating handle |
