Schütz,Leistungsschalter,Solarwechselrichter,Stromzähler,Solarbatterien
Interpretation des Modellcodes
| Codesegment | Beschreibung |
| CA10 | Basic series code: S0-Größe (48×48mm) Universeller Nockenschalter, side-mounted screw terminals, suitable for shallow installation depth, Bemessungsthermischer Strom 20A |
| . | Separator to distinguish basic model and functional configuration |
| W | Montageart: Standard panel mounting (48mm cutout) |
| AA | Cam configuration code: Dedicated contact switching logic (4-pole 2-position, 60° rotation angle) |
| 345 | Hilfsfunktionscode: Equipped with specified auxiliary contact layout |
| EF | Actuator/handle type: Black plastic knob, IP40 protection degree |
- Grundlegende technische Spezifikationen
| Kategorie | Detailed Parameters | Bemerkungen |
| Grundparameter | ||
| Marke / Herkunft | Kraus & Naimer / Österreich | Blue series switch, founded in 1907 |
| Switch Type | Cam change-over switch | Modular structure, double-break silver alloy contacts |
| Dimension | S0 (48×48mm) | Standard panel mounting size |
| Installationsmodus | Panel mounting with depth adaptation | Side wiring to save installation space |
| Elektrische Parameter | ||
| Bemessungsisolationsspannung Ui | 690V AC/DC | Comply with IEC 60947-3 |
| Rated Operational Voltage Ue | 400V und (3-Phase), 230V und (einphasig) | |
| Rated Thermal Current Ith | 20A | Continuous working current rating |
| Rated Operational Current Ie | 20A (AC-15, 220-240V) | Für ohmsche Lasten |
| 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 | |
| Mechanical Parameters | ||
| Polen | 4P (4 Stangen) | |
| Operating Positions | 2 positions | No neutral middle position |
| Rotation Angle | 60° | Switching angle between two positions |
| Lebensdauer | Mechanisch: 1,000,000 Operationen | |
| Elektrisch: 10,000 Operationen (under rated load) | ||
| Kontakttyp | Rigid double-break silver alloy contact | High conductivity and arc erosion resistance |
| Verkabelungsmethode | Side screw terminals | Captive screws with clamping plates |
| Schutzklasse | IP40 (Frontplatte) | Solid foreign object resistance per IEC 60529 |
| Umgebungsparameter | ||
| Betriebstemperatur | -25°C ~ +55°C | Instant peak up to +60°C |
| Lagertemperatur | -40°C ~ +85°C | |
| Ambient Humidity | ≤95 % (nicht kondensierend) | |
| Installation Altitude | ≤2000m | Derating is required beyond this altitude |
- Häufige Fehler & Wartungsrichtlinien
3.1 Fault Troubleshooting Table
| Fehlerphänomen | Mögliche Ursachen | Troubleshooting Procedures |
| Switch fails to shift | 1. Mechanische Blockierung | 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. Kontaktoxidation / 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. Zu hoher Kontaktwiderstand | 2. Clean or replace defective contacts | |
| 3. Zu hohe Umgebungstemperatur | 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. Falsche Verkabelung | 3. Re-wire strictly according to wiring diagram |
3.2 Wartungsempfehlungen
- Tägliche Inspektion
Check knob operating flexibility monthly
Fasten wiring terminals quarterly (Drehmoment: 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 Jahre, replace aging parts
Conduct insulation resistance test every 3 Jahre (≥100 MΩ)
- Austauschzyklus
Normal working condition: Mechanisches Leben 1,000,000 mal, elektrische Lebensdauer 10,000 mal
Severe environment (Staub / Feuchte / hohe Temperatur): Shorten replacement cycle by 50%
- Partial CA10 Series Model List
| Modell | Polen | Positions | Rotation Angle | Hauptanwendung |
| 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 (aktuelles Modell) |
| 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 usw. (Hilfskontakte & special functions)
Actuator Code: EF=Black Knob, FT=Lockable Knob, GBA=Key Operated
- Cross-brand Product Comparison
| Marke | Modell | Nennstrom | Polen / Positions | Kernunterschiede | Suitable Application |
| Kraus & Naimer | CA10.WAA345EF | 20A | 4P / 2-Position | Side wiring, shallow installation depth | Space-limited control cabinets |
| Schneider | K1C003NCHC | 20A | 4P / 2-Position | Vordere Verkabelung, modular structure | Standard cabinet installation |
| ABB | OT16F4 | 16A | 4P / 2-Position | Spring-loaded contacts, fast switching | Frequent operation occasions |
| Siemens | 3LD2100-0TK53 | 20A | 4P / 2-Position | Built-in auxiliary contacts & diagnostic function | High-level automatic control systems |
| Eaton | A22-200-400 | 20A | 4P / 2-Position | Cost-effective economical design | Mass installation & Budgetprojekte |
Wichtige Auswahlpunkte
- Verkabelungsmodus: KN CA10 adopts side wiring to save installation depth, ideal for compact layout
- Kontaktmaterial: All adopt silver alloy contacts; KN double-break design offers stronger breaking capacity
- Lebensdauer: KN mechanical life reaches 1,000,000 mal, superior to most peer products
- Zertifizierungen: All conform to IEC 60947-3 with CE and UL approvals
- Luftfracht-Compliance & Zertifizierungsdokumente
6.1 Air Transportation Compliance
| Compliance Item | Spezifikation | Official Basis |
| Hazardous Goods Classification | Non-hazardous goods, no built-in lithium battery / Superkondensator | 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 Zertifizierungsinformationen
| Certificate Type | Executive Standard | Zertifikat Nr. | Applicable Region |
| CE Certificate | IEC 60947-3, IN 60947-3 | KN-CA10-CE-001 | EU & European Economic Area |
| UL Certificate | UL 98, UL 508 | E257568 | Nordamerika |
| VDE Certificate | VDE 0660 Teil 107 | 40000123 | Deutschland & 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 |
- Anwendung & Auswahlhilfe
Anwendbare Szenarien
- Industrielle Automatisierung
Motorsteuerung: Direct start and stop control for small motors (≤5.5kW)
Leistungsumschaltung: Equipment main power on/off and standby power switching
Signal switching: Control circuit signal selection and test equipment signal switching
- Gebäudeelektrotechnik
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
- New Energy Industry
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)
- Bestellinformationen
Produktmodell: CA10.WAA345EF
Minimum Order Quantity: 1 Stück
Vorlaufzeit: 7-10 working days for standard models; 15-20 working days for special customized models
Verpackungsstandard: Single inner carton, 10 pieces per outer carton
Garantiezeitraum: 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 (Kontrolle & Load Switches, 10~32A)
S0 size 48×48mm standard control switches with side screw terminals, suitable for compact installation, extended models of CA10.WAA345EF.
| Modell | Polen / Positions | Nennstrom | Rotation Angle | Kernfunktionen | Typische Anwendung |
| CA4.A230-600E | 1P / 2-Position | 10A | 60° | Mini size, gold-plated contacts optional | Signal switching, instrument control |
| CA10.A291-600FT2 | 4P / 2-Position | 20A | 60° | Lockable knob for misoperation prevention | Equipment main power safety switch |
| CA10.PC6085-3 | 3P / 3-Position | 20A | 45° | Special star-delta cam | Star-delta starting for motors ≤5.5kW |
| CA10.A710-600E | 3P / 2-Position | 20A | 60° | Forward/reverse dedicated cam | Conveyor, water pump direction switching |
| CA20.A290-600E | 4P / 2-Position | 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.
| Modell | Polen / Positions | Nennstrom | Verkabelungsmodus | Kernvorteile | Anwendbare Szenarien |
| CG10.A200.FT1 | 1P / 2-Position | 10A | Vordere Verkabelung | Easy installation and wiring | Small control cabinets, häufiger Betrieb |
| CG10.A210-600FT2 | 3P / 2-Position | 10A | Vordere Verkabelung | Dedicated motor control cam | Direct start of motors ≤2.2kW |
| CG25.A290-600E | 4P / 2-Position | 25A | Vordere Verkabelung | High current bearing, double-break design | Medium equipment power control, 3-phase 4-wire system |
| CG40.A291-600E | 4P / 2-Position | 40A | Vordere Verkabelung | Heavy-duty structure, lange mechanische Lebensdauer | 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.
| Modell | Polen / Positions | Nennstrom | Kontakttyp | Kernanwendung | Unique Advantages |
| CH10.A007.FT2 | 1P / 2-Position | 10A | Silberlegierung | Single-channel signal switching, instrument selection | Ultra-low contact resistance, hochpräzise Messung |
| CH10.A210-600E | 3P / 2-Position | 10A | Gold-plated (optional) | Stromspannung & current switching, Prüfgeräte | Anti-corrosion, suitable for humid environment |
| CH20.A290-600E | 4P / 2-Position | 20A | Silberlegierung | Multi-functional instrument control, multi-way switching | Modularer Aufbau, expandable auxiliary contacts |
| CH40.A291-600E | 4P / 2-Position | 40A | Silberlegierung | 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, konform mit IEC 60947-3.
| Modell | Nennstrom | Polen | Schutzklasse | Kernfunktion | Typische Anwendung |
| KG10.A001-600 | 10A | 2P | IP40 | Basic isolation function | Small equipment power isolation, maintenance protection |
| KG16.A200-600 | 16A | 3P | IP40 | With built-in auxiliary contacts | Machine tool main power, 3-phase motor isolation |
| KG20.A290-600 | 20A | 4P | IP40 | Full-pole isolation | 4-wire system power isolation, Schutz vor Stromschlägen |
| KG32.A291-600 | 32A | 4P | IP40 | 10kA high short-circuit withstand | Medium equipment main switch, distribution cabinet isolation |
| KG63.A290-600 | 63A | 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)
Typische Modelle: CA10-Ex.A290-600E, KG20-Ex.A291-600
Zertifizierung: ATEX certified, applicable to Zone1/21 gas hazardous area and Zone2/22 dust hazardous area
Anwendung: Chemisch, petroleum, natural gas, mining and other flammable and explosive industries
5.2 Dedicated DC Series (G20)
Typische Modelle: G20.1000, G20.2000
Nennspannung: Gleichstrom 1000 V / DC 1500V, Nennstrom: 100A~2000A
Anwendung: Photovoltaic inverters, Energiespeichersysteme, electric vehicle charging piles
5.3 High-current L Series (350~2400A)
Merkmale: Modular assembly, expandable auxiliary contacts, IP54 protection grade
Anwendung: Industrial main power distribution, large generator set power control
- Quick Selection Table by Application Scenario
| Anwendungsszenario | Empfohlene Serie | Typisches Modell | Schlüsselparameter |
| Kleine Motorsteuerung (≤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-Pole, lockable type, safety interlock |
| Photovoltaik & energy storage system | G20 | G20.1000 | DC1000V, 100Eine Bewertung |
| Explosion-proof working environment | CA-Ex Series | CA10-Ex.A290-600E | ATEX certified, Zone1 applicable |
- Auswahlnotizen
- Aktuelle Übereinstimmung: Select switches according to AC-3 motor load standard, reserve 1.2~1.5 times current margin
- Polauswahl: Choose 3-pole for pure 3-phase loads, 4-pole for 3-phase 4-wire system to realize neutral line breaking
- Betriebsmodus: Adopt lockable knob for frequent use to prevent misoperation; key-operated type for high-safety occasions
- Umweltanpassung: 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. Kontakt | EF=Black Knob / FT=Lockable Knob |
| KG Series | KG20 | Fixed enclosed type | A290=4P/2-position | 600=Standard Aux. Kontakt | Drehgriff / key handle |
| Explosion-proof Series | CA10-Ex | Standard mounting | A290=4P/2-position | 600=Standard Aux. Kontakt | Explosion-proof dedicated handle |
| DC G20 Series | G20 | Panel mounting | 1000=100A rating | — | Rotary operating handle |
