Interpretarea Codului Modelului
| Segment de cod | Descriere |
| CA10 | Basic series code: Mărimea S0 (48×48 mm) 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 | 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 | Auxiliary function code: 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 |
| Switch Type | Cam change-over switch | Structură modulară, double-break silver alloy contacts |
| Dimensiune | S0 (48×48 mm) | Standard panel mounting size |
| Modul de instalare | Panel mounting with depth adaptation | Side wiring to save installation space |
| Parametrii electrici | ||
| Rated Insulation Voltage 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 |
| Rated Operational Current 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 positions | 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 (front panel) | 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 | |
| Ambient Humidity | ≤95% (necondens) | |
| Installation Altitude | ≤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 | |
| Poor contact performance | 1. Contact oxidation / ablation | 1. Test contact resistance (<50mΩ) |
| 2. Borne de cablare slăbite | 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. Rezistență de contact excesivă | 2. Clean or replace defective contacts | |
| 3. Temperatura ambientală excesiv de ridicată | 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. 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)
- Periodic Maintenance
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)
- Replacement Cycle
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 | Main Application |
| 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 (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.[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 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 & budget projects |
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
| Compliance Item | Caietul de sarcini | 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 Informații de certificare
| Certificate Type | Standard executiv | Certificate No. | Applicable Region |
| CE Certificate | IEC 60947-3, ÎN 60947-3 | KN-CA10-CE-001 | EU & European Economic Area |
| UL Certificate | UL 98, UL 508 | E257568 | North America |
| VDE Certificate | VDE 0660 Parte 107 | 40000123 | Germania & European markets |
| RoHS Certificate | 2011/65/EU | KN-RoHS-2026 | Global eco-friendly markets |
| 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
- Building Electrical Engineering
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
Minimum Order Quantity: 1 piece
Lead Time: 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 | Conveyor, 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, double-break design | 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 Explosion-proof Series (CA-Ex / CG-Ex / KG-Ex)
Typical Models: 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: Chemical, petroleum, natural gas, mining and other flammable and explosive industries
5.2 Dedicated DC Series (G20)
Typical Models: 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 |
| Photovoltaic & sistem de stocare a energiei | G20 | G20.1000 | DC1000V, 100O evaluare |
| Explosion-proof working environment | 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 | Mounting Code | 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 |
| Explosion-proof Series | CA10-Ex | Standard mounting | A290=4P/2-position | 600=Standard Aux. Contact | Explosion-proof dedicated handle |
| DC G20 Series | G20 | Panel mounting | 1000=100A rating | — | Rotary operating handle |
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