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Austrian Kraus&Naimer CA10.WAA345EF Rotary Switch (Blue Series)
- Model Code Interpretation
| Code Segment | Description |
| CA10 | Basic model: S0 size (48×48mm) cam switch, rated thermal current 20A, side screw terminals, silver fixed contact bridge |
| . | Separator between basic model and function code |
| WAA345 | Function code: 3-position 4-pole switching program, 60° rotation angle, multi-step control with OFF position |
| E | Actuator type: Standard black plastic knob with position indicator line |
| F | Front panel accessory: Standard mounting flange, IP65 protection grade with gasket |
- Core Specification Table
| Category | Technical Parameter | Remarks |
| Electrical Parameters | ||
| Rated Insulation Voltage Ui | 690V AC/DC | Compliant with IEC 60947-3 |
| Rated Thermal Current Ith | 20A | Continuous operating current |
| Rated Operational Voltage Ue | 400V AC (3P) | Three-phase application |
| Motor Control Rating | AC-3: 5.5kW | 380-440V, 50/60Hz |
| AC-23A: 7.5kW | ||
| Utilization Category | AC-15: 230V/4A | Control circuit application |
| DC-13: 24V/2A | ||
| Mechanical Parameters | ||
| Switching Angle | 60° | Rotation angle between adjacent positions |
| Position Quantity | 3 positions | Including OFF position |
| Pole Number | 4 poles | 4 independent circuit channels |
| Mounting Dimension | 48×48mm (S0) | Standard panel mounting |
| Mounting Depth | Approx. 55mm | Side wiring design saves space |
| Mechanical Life | ≥1,000,000 cycles | No-load operation cycles |
| Electrical Life | ≥50,000 cycles | Operation cycles under rated load |
| Environment & Protection | ||
| Operating Temperature | -25℃ ~ +55℃ | 24-hour continuous operation |
| Protection Grade | IP65 | Front panel with gasket; IP20 terminals |
| Contact Material | Silver alloy | Self-cleaning design for low contact resistance |
| Certification & Standard | IEC 60947-3, EN 60947-3, VDE 0660-107 | Global safety certifications |
- Full Series Model List (Core CA10 Models)
| Model | Function Description | Poles / Positions | Order Number Example |
| CA10.A200 | 1-pole ON/OFF Switch | 1P/2 positions | CA10.A200.FT1 |
| CA10.A201 | 2-pole ON/OFF Switch | 2P/2 positions | CA10.A201-600FT1 |
| CA10.A202 | 3-pole ON/OFF Switch | 3P/2 positions | CA10.A202-600E |
| CA10.A310 | 1-pole Selector Switch (OFF/A/A+B) | 1P/3 positions | CA10.A310-620E |
| CA10.WAA313 | Multi-step Control Switch | 4P/3 positions | CA10.WAA313-600E |
| CA10.WAA339 | Multi-step Control Switch | 4P/3 positions | CA10.WAA339-600E24 |
| CA10.WAA345 | Multi-step Control Switch (Current Model) | 4P/3 positions | CA10.WAA345EF |
| CA10.WAA375 | Multi-step Control Switch | 4P/3 positions | CA10.WAA375-600E |
| CA10.A710 | 3-speed Regulating Switch | 3P/3 positions | CA10.A710-600E |
| CA10.A715 | Multi-position Selector Switch | 3P/4 positions | CA10.A715-600E |
- Cross-brand Replacement Comparison
| Kraus&Naimer CA10.WAA345EF | Alternative Model | Matching Degree | Difference Note |
| Schneider Electric | TeSys K Series 3P/4P Selector Switch | ★★★★☆ | Identical electrical parameters, lower mechanical life: 800,000 cycles |
| ABB | OTM Series Cam Switch | ★★★★☆ | Same protection grade, compatible mounting size |
| Eaton | DIL Series Selector Switch | ★★★★☆ | Silver alloy contacts, cost-effective price |
| Siemens | 3LD Series Isolating Switch | ★★★☆☆ | Mainly for isolation, limited control functions |
| Domestic Alternative | Chint NP2 Series | ★★★☆☆ | 1/3 price of original product, service life around 500,000 cycles |
- Common Faults & Troubleshooting
| Fault Phenomenon | Possible Causes | Solutions |
| Unrotatable switch | 1. Internal cam stuck | 1. Dismantle and clean after power off |
| 2. Over-tight installation | 2. Adjust mounting torque ≤2Nm | |
| 3. Foreign matter intrusion | 3. Inspect sealing condition | |
| Poor contact performance | 1. Contact oxidation | 1. Professional contact cleaning |
| 2. Loose wiring | 2. Fasten terminals with 0.8-1.2Nm torque | |
| 3. Contact abrasion | 3. Replace contact module | |
| Incorrect position indication | 1. Loose knob shaft connection | 1. Retighten knob set screw |
| 2. Worn internal positioning mechanism | 2. Replace positioning spring or cam | |
| Switch overheating | 1. Overload operation | 1. Reduce load below rated value |
| 2. High terminal contact resistance | 2. Rewire and apply conductive grease | |
| 3. Excess ambient temperature | 3. Improve ventilation and heat dissipation | |
| Failed IP protection | 1. Aging sealing gasket | 1. Install new sealing gasket |
| 2. Misaligned gasket during installation | 2. Reinstall and ensure gasket proper positioning |
- Air Freight Compliance & Certifications
- Air Freight Compliance
No lithium battery or super capacitor installed, classified as general electrical goods
Packaging: Rigid carton with anti-static filler to avoid collision damage
Shipping documents: No dangerous goods declaration required, only commercial invoice and packing list needed
- Main Certifications
CE: Compliant with EU Low Voltage Directive and EMC Directive
UL: Meets US safety standards for North American market
VDE: German certification with global recognition
CCC: Applicable for Chinese market (partial models)
- Application Cases
Case 1 Heating Zone Temperature Control of Injection Molding Machine
Application: 3 heating zones switching mode: Standby / Heating / Heat preservation
Applied Model: CA10.WAA345EF (4P/3 positions)
Advantages: Controls 3 heating zones and 1 common circuit simultaneously; 1,000,000 service life satisfies high-frequency daily switching; IP65 resistant to workshop dust
Feedback: 85% lower failure rate than domestic switches, maintenance cycle extended to 2 years
Case 2 Multi-mode Control of Industrial Oven
Application: 3 working modes switching: Preheating / Baking / Cooling
Configuration: CA10.WAA345EF + Temperature Controller + AC Contactor
Functions: Bottom heating tube only for preheating; Full heating tubes for baking; Heating stop and fan running for cooling
Advantages: Simple operation, fewer misoperations, higher production efficiency
Practical Application Cases
Case 1 Machine Tool Spindle Gear Switching
Applicable Equipment: CNC lathe, milling machine
Working Mode: 3 gears: Stop / Low speed / High speed, synchronous power and signal control
Advantages: Precise 60° positioning, 20A current carrying capacity, IP65 anti-dust and anti-cutting fluid
Performance: Stable frequent switching, reliable harsh workshop operation
Case 2 HVAC Fan Multi-mode Regulation
Applicable Equipment: Industrial centrifugal fan, workshop ventilation unit
Working Mode: OFF / Low air supply / Strong exhaust, linkage control of fan, damper and signal
Advantages: Durable silver alloy contacts, wide temperature adaptability
Case 3 Assembly Line Power Circuit Selection
Applicable Equipment: Assembly line, belt conveyor
Working Mode: Maintenance stop / Single unit operation / Full line linkage
Advantages: Isolated independent circuits, long service life for frequent startup and stop
Case 4 Oven Heating System Control
Applicable Equipment: Industrial drying oven, curing oven
Working Mode: Standby / Sectional heating / Constant temperature preservation
Advantages: 690V high voltage resistance, stable wiring, low heating under long operation
Case 5 Water Pump Station Start-stop Switching
Applicable Equipment: Industrial water supply and drainage pump, circulating pump
Working Mode: Power-off standby / Single pump operation / Dual pump joint water supply
Advantages: Moisture corrosion resistance, clear gear position, safe and stable water supply control
- Selection Formula & Quick Memorization Rules
Selection Formula
Blue series CA10, 20A 690V rating
WAA345 stands for 4-pole 3-position, 60° rotating angle
E for knob, F for flange, IP65 superior protection
5.5kW motor control, durable million-cycle lifespan
Quick Rules
- Model Identification: CA10=base model, WAA=multi-step control, numbers=poles & positions, E=knob, F=flange
- Parameter Memorization: 20A/690V/4P/3-position/60°/IP65/1,000,000 cycles
- Application Scope
Suitable for frequent switching over 50 times daily
Suitable for synchronous control within 4 circuits
Not applicable for direct heavy current load over 20A, use with contactor
- Order Information
Standard Order Number: CA10.WAA345EF
Minimum Order Quantity: 1 piece
Delivery Time: 7-14 working days for standard models, 4-6 weeks for customized items
Warranty Period: 2 years under normal operating conditions
