Interprétation du code modèle
| Segment de code | Description |
| 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 | Type de montage: Montage sur panneau standard (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 |
- Spécifications techniques de base
| Catégorie | Detailed Parameters | Remarques |
| Paramètres de base | ||
| Marque / Origine | Kraus & Naimer / Autriche | 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 |
| Installation Mode | Panel mounting with depth adaptation | Side wiring to save installation space |
| Paramètres électriques | ||
| Tension d'isolement nominale Ui | 690V CA/CC | Se conformer à la CEI 60947-3 |
| Rated Operational Voltage Ue | 400V et (3-phase), 230V et (monophasé) | |
| Rated Thermal Current Ith | 20UN | Continuous working current rating |
| Rated Operational Current Ie | 20UN (AC-15, 220-240V) | Pour charges résistives |
| 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 | |
| Paramètres mécaniques | ||
| Poteaux | 4P. (4 poteaux) | |
| Operating Positions | 2 positions | No neutral middle position |
| Rotation Angle | 60° | Switching angle between two positions |
| Durée de vie | Mécanique: 1,000,000 opérations | |
| Électrique: 10,000 opérations (sous charge nominale) | ||
| Type de contact | Rigid double-break silver alloy contact | High conductivity and arc erosion resistance |
| Méthode de câblage | Side screw terminals | Captive screws with clamping plates |
| Classe de protection | IP40 (panneau avant) | Solid foreign object resistance per IEC 60529 |
| Paramètres environnementaux | ||
| Température de fonctionnement | -25°C ~ +55°C | Instant peak up to +60°C |
| Température de stockage | -40°C ~ +85°C | |
| Ambient Humidity | ≤95% (sans condensation) | |
| Installation Altitude | ≤2000m | Derating is required beyond this altitude |
- Défauts courants & Directives d'entretien
3.1 Fault Troubleshooting Table
| Phénomène de défaut | Causes possibles | Troubleshooting Procedures |
| Switch fails to shift | 1. Bourrage mécanique | 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. 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. Température ambiante trop élevée | 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. Câblage incorrect | 3. Re-wire strictly according to wiring diagram |
3.2 Recommandations d'entretien
- Inspection quotidienne
Check knob operating flexibility monthly
Fasten wiring terminals quarterly (couple: 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 années, replace aging parts
Conduct insulation resistance test every 3 années (≥100MΩ)
- Cycle de remplacement
Normal working condition: Durée de vie mécanique 1,000,000 fois, durée de vie électrique 10,000 fois
Severe environment (poussière / damp / haute température): Shorten replacement cycle by 50%
- Partial CA10 Series Model List
| Modèle | Poteaux | Positions | 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 (current model) |
| 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.. (contacts auxiliaires & special functions)
Actuator Code: EF=Black Knob, FT=Lockable Knob, GBA=Key Operated
- Cross-brand Product Comparison
| Marque | Modèle | Courant nominal | Poteaux / Positions | Différences fondamentales | Suitable Application |
| Kraus & Naimer | CA10.WAA345EF | 20UN | 4P. / 2-position | Side wiring, shallow installation depth | Space-limited control cabinets |
| Schneider | K1C003NCHC | 20UN | 4P. / 2-position | Câblage avant, modular structure | Standard cabinet installation |
| ABB | OT16F4 | 16UN | 4P. / 2-position | Spring-loaded contacts, fast switching | Frequent operation occasions |
| Siemens | 3LD2100-0TK53 | 20UN | 4P. / 2-position | Built-in auxiliary contacts & fonction de diagnostic | High-level automatic control systems |
| Eaton | A22-200-400 | 20UN | 4P. / 2-position | Cost-effective economical design | Mass installation & budget projects |
Points clés de la sélection
- Mode de câblage: KN CA10 adopts side wiring to save installation depth, ideal for compact layout
- Matériel de contact: All adopt silver alloy contacts; KN double-break design offers stronger breaking capacity
- Durée de vie: KN mechanical life reaches 1,000,000 fois, superior to most peer products
- Certifications: All conform to IEC 60947-3 with CE and UL approvals
- Conformité du fret aérien & Certification Documents
6.1 Air Transportation Compliance
| Compliance Item | Spécification | 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 Certification Information
| Certificate Type | Executive Standard | Numéro de certificat. | Applicable Region |
| Certificats CE | CEI 60947-3, DANS 60947-3 | KN-CA10-CE-001 | EU & European Economic Area |
| Certificats UL | UL 98, UL 508 | E257568 | North America |
| VDE Certificate | VDE 0660 Partie 107 | 40000123 | Allemagne & European markets |
| RoHS Certificate | 2011/65/EU | KN-RoHS-2026 | Global eco-friendly markets |
| CCC Certificate | FR 14048.3 | CCC-KN-007 | Chinese mainland market |
- Application & Guide de sélection
Scénarios applicables
- Automatisation industrielle
Contrôle du moteur: Direct start and stop control for small motors (≤5,5 kW)
Commutation de puissance: Equipment main power on/off and standby power switching
Commutation de signaux: Control circuit signal selection and test equipment signal switching
- Génie électrique du bâtiment
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
- Nouvelle industrie énergétique
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)
- Informations de commande
Modèle de produit: CA10.WAA345EF
Minimum Order Quantity: 1 morceau
Lead Time: 7-10 working days for standard models; 15-20 working days for special customized models
Norme d'emballage: Single inner carton, 10 pieces per outer carton
Période de garantie: 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 (Contrôle & Load Switches, 10~32A)
S0 size 48×48mm standard control switches with side screw terminals, suitable for compact installation, extended models of CA10.WAA345EF.
| Modèle | Poteaux / Positions | Courant nominal | Rotation Angle | Fonctionnalités principales | Application typique |
| CA4.A230-600E | 1P. / 2-position | 10UN | 60° | Mini size, gold-plated contacts optional | Commutation de signaux, instrument control |
| CA10.A291-600FT2 | 4P. / 2-position | 20UN | 60° | Lockable knob for misoperation prevention | Equipment main power safety switch |
| CA10.PC6085-3 | 3P. / 3-position | 20UN | 45° | Special star-delta cam | Star-delta starting for motors ≤5.5kW |
| CA10.A710-600E | 3P. / 2-position | 20UN | 60° | Forward/reverse dedicated cam | Conveyor, water pump direction switching |
| CA20.A290-600E | 4P. / 2-position | 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.
| Modèle | Poteaux / Positions | Courant nominal | Mode de câblage | Avantages principaux | Scénarios applicables |
| CG10.A200.FT1 | 1P. / 2-position | 10UN | Câblage avant | Easy installation and wiring | Small control cabinets, opération fréquente |
| CG10.A210-600FT2 | 3P. / 2-position | 10UN | Câblage avant | Dedicated motor control cam | Direct start of motors ≤2.2kW |
| CG25.A290-600E | 4P. / 2-position | 25UN | Câblage avant | High current bearing, double-break design | Medium equipment power control, 3-phase 4-wire system |
| CG40.A291-600E | 4P. / 2-position | 40UN | Câblage avant | 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.
| Modèle | Poteaux / Positions | Courant nominal | Type de contact | Application principale | Unique Advantages |
| CH10.A007.FT2 | 1P. / 2-position | 10UN | Alliage d'argent | Single-channel signal switching, instrument selection | Ultra-low contact resistance, mesure de haute précision |
| CH10.A210-600E | 3P. / 2-position | 10UN | Gold-plated (facultatif) | Tension & current switching, test equipment | Anti-corrosion, suitable for humid environment |
| CH20.A290-600E | 4P. / 2-position | 20UN | Alliage d'argent | Multi-functional instrument control, multi-way switching | Conception modulaire, expandable auxiliary contacts |
| CH40.A291-600E | 4P. / 2-position | 40UN | Alliage d'argent | 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 à la CEI 60947-3.
| Modèle | Courant nominal | Poteaux | Classe de protection | Fonction principale | Application typique |
| 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, prévention des chocs électriques |
| 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 |
Points forts de la conception de sécurité
- 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
- Série d'applications spéciales
5.1 Explosion-proof Series (CA-Ex / CG-Ex / KG-Ex)
Modèles typiques: CA10-Ex.A290-600E, KG20-Ex.A291-600
Attestation: ATEX certified, applicable to Zone1/21 gas hazardous area and Zone2/22 dust hazardous area
Application: Chimique, petroleum, natural gas, mining and other flammable and explosive industries
5.2 Dedicated DC Series (G20)
Modèles typiques: G20.1000, G20.2000
Tension nominale: C.C 1000V / DC 1500V, courant nominal: 100A~2000A
Application: Photovoltaic inverters, systèmes de stockage d'énergie, electric vehicle charging piles
5.3 High-current L Series (350~2400A)
Caractéristiques: Modular assembly, expandable auxiliary contacts, IP54 protection grade
Application: Industrial main power distribution, large generator set power control
- Quick Selection Table by Application Scenario
| Scénario d'application | Série recommandée | Modèle typique | Paramètres clés |
| Commande de petit moteur (≤5,5 kW) | 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-pôle, lockable type, safety interlock |
| Photovoltaic & système de stockage d'énergie | G20 | G20.1000 | DC1000V, 100Une note |
| Explosion-proof working environment | CA-Ex Series | CA10-Ex.A290-600E | ATEX certified, Zone1 applicable |
- Notes de sélection
- Correspondance actuelle: Select switches according to AC-3 motor load standard, reserve 1.2~1.5 times current margin
- Sélection des pôles: Choose 3-pole for pure 3-phase loads, 4-pole for 3-phase 4-wire system to realize neutral line breaking
- Mode de fonctionnement: Adopt lockable knob for frequent use to prevent misoperation; key-operated type for high-safety occasions
- Adaptation environnementale: Select IP65 high protection grade for damp sites; stainless steel shell type for corrosive environment
- General Naming Rule Summary
| Série | 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 | Rotary handle / key handle |
| Explosion-proof Series | CA10-Ex | Montage standard | A290=4P/2-position | 600=Standard Aux. Contact | Explosion-proof dedicated handle |
| DC G20 Series | G20 | Panel mounting | 1000=100A rating | — | Rotary operating handle |
Contacteur,disjoncteur,onduleur solaire,compteur électrique,batteries solaires























NH42-63-318x560.png)




