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Interpretação de código modelo
| Segmento de código | Descrição |
| 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 |
| C | Tipo de montagem: 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 |
| FE | Actuator/handle type: Black plastic knob, IP40 protection degree |
- Especificações Técnicas Principais
| Categoria | Detailed Parameters | Observações |
| Parâmetros Básicos | ||
| Marca / Origem | Kraus & Naimer / Áustria | Blue series switch, founded in 1907 |
| Switch Type | Cam change-over switch | Estrutura modular, double-break silver alloy contacts |
| Dimensão | S0 (48×48mm) | Standard panel mounting size |
| Modo de instalação | Panel mounting with depth adaptation | Side wiring to save installation space |
| Parâmetros Elétricos | ||
| Rated Insulation Voltage Ui | 690V CA/CC | Cumprir com IEC 60947-3 |
| Rated Operational Voltage Ue | 400V e (3-fase), 230V e (monofásico) | |
| Rated Thermal Current Ith | 20UM | Continuous working current rating |
| Rated Operational Current Ie | 20UM (AC-15, 220-240V) | Para cargas resistivas |
| 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 | |
| Parâmetros Mecânicos | ||
| Poloneses | 4P (4 postes) | |
| Operating Positions | 2 positions | No neutral middle position |
| Rotation Angle | 60° | Switching angle between two positions |
| Vida útil | Mecânico: 1,000,000 operações | |
| Elétrica: 10,000 operações (sob carga nominal) | ||
| Tipo de contato | Rigid double-break silver alloy contact | High conductivity and arc erosion resistance |
| Método de fiação | Side screw terminals | Captive screws with clamping plates |
| Classe de Proteção | IP40 (painel frontal) | Solid foreign object resistance per IEC 60529 |
| Parâmetros Ambientais | ||
| Temperatura operacional | -25°C ~ +55°C | Instant peak up to +60°C |
| Temperatura de armazenamento | -40°C ~ +85°C | |
| Ambient Humidity | ≤95% (sem condensação) | |
| Installation Altitude | ≤2000m | Derating is required beyond this altitude |
- Falhas Comuns & Diretrizes de Manutenção
3.1 Fault Troubleshooting Table
| Fenômeno de falha | Possíveis causas | Troubleshooting Procedures |
| Switch fails to shift | 1. Bloqueio mecânico | 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. Oxidação de contato / 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. Excessively high ambient temperature | 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. Fiação incorreta | 3. Re-wire strictly according to wiring diagram |
3.2 Recomendações de manutenção
- Inspeção Diária
Check knob operating flexibility monthly
Fasten wiring terminals quarterly (torque: 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 anos, replace aging parts
Conduct insulation resistance test every 3 anos (≥100MΩ)
- Ciclo de Substituição
Normal working condition: Vida mecânica 1,000,000 vezes, vida elétrica 10,000 vezes
Severe environment (pó / damp / alta temperatura): Shorten replacement cycle by 50%
- Partial CA10 Series Model List
| Modelo | Poloneses | Positions | Rotation Angle | Aplicação principal |
| 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.. (contatos auxiliares & special functions)
Actuator Code: EF=Black Knob, FT=Lockable Knob, GBA=Key Operated
- Cross-brand Product Comparison
| Marca | Modelo | Corrente nominal | Poloneses / Positions | Diferenças Fundamentais | Suitable Application |
| Kraus & Naimer | CA10.WAA345EF | 20UM | 4P / 2-posição | Side wiring, shallow installation depth | Space-limited control cabinets |
| Schneider | K1C003NCHC | 20UM | 4P / 2-posição | Fiação frontal, modular structure | Standard cabinet installation |
| ABB | OT16F4 | 16UM | 4P / 2-posição | Spring-loaded contacts, fast switching | Frequent operation occasions |
| Siemens | 3LD2100-0TK53 | 20UM | 4P / 2-posição | Built-in auxiliary contacts & diagnostic function | High-level automatic control systems |
| Eaton | A22-200-400 | 20UM | 4P / 2-posição | Cost-effective economical design | Instalação em massa & projetos orçamentários |
Pontos-chave da seleção
- Modo de fiação: KN CA10 adopts side wiring to save installation depth, ideal for compact layout
- Contact Material: All adopt silver alloy contacts; KN double-break design offers stronger breaking capacity
- Vida útil: KN mechanical life reaches 1,000,000 vezes, superior to most peer products
- Certificações: All conform to IEC 60947-3 with CE and UL approvals
- Air Freight Compliance & Documentos de Certificação
6.1 Air Transportation Compliance
| Compliance Item | Especificação | 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 Informações de certificação
| Certificate Type | Executive Standard | Certificado Não. | Applicable Region |
| CE Certificate | CEI 60947-3, EM 60947-3 | KN-CA10-CE-001 | EU & European Economic Area |
| UL Certificate | UL 98, UL 508 | E257568 | América do Norte |
| VDE Certificate | VDE 0660 Papel 107 | 40000123 | Alemanha & 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 |
- Aplicativo & Guia de seleção
Cenários Aplicáveis
- Automação Industrial
Controle motor: Direct start and stop control for small motors (≤5.5kW)
Comutação de energia: Equipment main power on/off and standby power switching
Signal switching: Control circuit signal selection and test equipment signal switching
- Engenharia Elétrica Predial
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
- Nova Indústria de Energia
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)
- Informações sobre pedidos
Modelo de Produto: CA10.WAA345EF
Minimum Order Quantity: 1 pedaço
Lead Time: 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
Período de garantia: 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 (Controlar & Load Switches, 10~32A)
S0 size 48×48mm standard control switches with side screw terminals, suitable for compact installation, extended models of CA10.WAA345EF.
| Modelo | Poloneses / Positions | Corrente nominal | Rotation Angle | Recursos principais | Aplicação Típica |
| CA4.A230-600E | 1P / 2-posição | 10UM | 60° | Mini size, gold-plated contacts optional | Signal switching, instrument control |
| CA10.A291-600FT2 | 4P / 2-posição | 20UM | 60° | Lockable knob for misoperation prevention | Equipment main power safety switch |
| CA10.PC6085-3 | 3P / 3-posição | 20UM | 45° | Special star-delta cam | Star-delta starting for motors ≤5.5kW |
| CA10.A710-600E | 3P / 2-posição | 20UM | 60° | Forward/reverse dedicated cam | Conveyor, water pump direction switching |
| CA20.A290-600E | 4P / 2-posição | 32UM | 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.
| Modelo | Poloneses / Positions | Corrente nominal | Modo de fiação | Principais vantagens | Cenários Aplicáveis |
| CG10.A200.FT1 | 1P / 2-posição | 10UM | Fiação frontal | Easy installation and wiring | Small control cabinets, operação frequente |
| CG10.A210-600FT2 | 3P / 2-posição | 10UM | Fiação frontal | Dedicated motor control cam | Direct start of motors ≤2.2kW |
| CG25.A290-600E | 4P / 2-posição | 25UM | Fiação frontal | High current bearing, double-break design | Medium equipment power control, 3-phase 4-wire system |
| CG40.A291-600E | 4P / 2-posição | 40UM | Fiação frontal | 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.
| Modelo | Poloneses / Positions | Corrente nominal | Tipo de contato | Aplicativo principal | Unique Advantages |
| CH10.A007.FT2 | 1P / 2-posição | 10UM | Liga de prata | Single-channel signal switching, instrument selection | Ultra-low contact resistance, medição de alta precisão |
| CH10.A210-600E | 3P / 2-posição | 10UM | Gold-plated (opcional) | Tensão & current switching, equipamento de teste | Anti-corrosion, suitable for humid environment |
| CH20.A290-600E | 4P / 2-posição | 20UM | Liga de prata | Multi-functional instrument control, multi-way switching | Projeto modular, expandable auxiliary contacts |
| CH40.A291-600E | 4P / 2-posição | 40UM | Liga de prata | 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, compatível com IEC 60947-3.
| Modelo | Corrente nominal | Poloneses | Classe de Proteção | Função principal | Aplicação Típica |
| KG10.A001-600 | 10UM | 2P | IP40 | Basic isolation function | Small equipment power isolation, maintenance protection |
| KG16.A200-600 | 16UM | 3P | IP40 | With built-in auxiliary contacts | Machine tool main power, 3-phase motor isolation |
| KG20.A290-600 | 20UM | 4P | IP40 | Full-pole isolation | 4-wire system power isolation, prevenção de choque elétrico |
| KG32.A291-600 | 32UM | 4P | IP40 | 10kA high short-circuit withstand | Medium equipment main switch, distribution cabinet isolation |
| KG63.A290-600 | 63UM | 4P | IP40 | Heavy-duty reinforced structure | Large industrial equipment main power, power distribution system |
Destaques do projeto de segurança
- 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 de aplicações especiais
5.1 Explosion-proof Series (CA-Ex / CG-Ex / KG-Ex)
Modelos Típicos: CA10-Ex.A290-600E, KG20-Ex.A291-600
Certificação: ATEX certified, applicable to Zone1/21 gas hazardous area and Zone2/22 dust hazardous area
Aplicativo: Químico, petroleum, natural gas, mining and other flammable and explosive industries
5.2 Dedicated DC Series (G20)
Modelos Típicos: G20.1000, G20.2000
Tensão nominal: DC 1000V / DC 1500V, corrente nominal: 100A~2000A
Aplicativo: Photovoltaic inverters, sistemas de armazenamento de energia, electric vehicle charging piles
5.3 High-current L Series (350~2400A)
Características: Modular assembly, expandable auxiliary contacts, IP54 protection grade
Aplicativo: Industrial main power distribution, large generator set power control
- Quick Selection Table by Application Scenario
| Cenário de aplicação | Série recomendada | Modelo típico | Parâmetros principais |
| Controle de motor pequeno (≤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, 20UM |
| Instrument signal switching | CH10 | CH10.A007.FT2 | 1P/2-position, gold-plated contact optional |
| Machine tool maintenance switch | KG Series | KG16.A200-600 | 3-pólo, lockable type, safety interlock |
| Photovoltaic & sistema de armazenamento de energia | G20 | G20.1000 | DC1000V, 100Uma classificação |
| Explosion-proof working environment | CA-Ex Series | CA10-Ex.A290-600E | ATEX certified, Zone1 applicable |
- Notas de seleção
- Correspondência atual: Select switches according to AC-3 motor load standard, reserve 1.2~1.5 times current margin
- Seleção de pólo: Choose 3-pole for pure 3-phase loads, 4-pole for 3-phase 4-wire system to realize neutral line breaking
- Modo de operação: Adopt lockable knob for frequent use to prevent misoperation; key-operated type for high-safety occasions
- Adaptação Ambiental: 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. Contato | EF=Black Knob / FT=Lockable Knob |
| KG Series | KG20 | Fixed enclosed type | A290=4P/2-position | 600=Standard Aux. Contato | Alça rotativa / key handle |
| Explosion-proof Series | CA10-Ex | Montagem padrão | A290=4P/2-position | 600=Standard Aux. Contato | Explosion-proof dedicated handle |
| DC G20 Series | G20 | Panel mounting | 1000=100A rating | - | Rotary operating handle |
