1. Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of your WESA Wall Mount EU Switch or Socket. Please read this manual thoroughly before installation and keep it for future reference. The WESA Wall Mount EU Switch and Socket series is designed for residential and general-purpose applications, offering reliable electrical control and power access.

2. Safety Information
WARNING: Electrical installations should only be performed by qualified personnel. Failure to follow these instructions can result in electric shock, fire, or serious injury.
- Always turn off power at the circuit breaker or fuse box before installing, servicing, or removing the device.
- Verify that the voltage and current ratings of the device match your electrical system requirements.
- Do not install in wet locations unless specifically rated for such environments.
- Ensure all wiring connections are secure and properly insulated.
- The product is constructed with flame retardant ABS panel and flame retardant plastic base material for enhanced safety.
- Do not attempt to modify or disassemble the device.
3. Product Features
- Durable Construction: Engineered for longevity, capable of withstanding over 200,000 plugging cycles.
- Easy Maintenance: The smooth plastic panel allows for easy cleaning, helping the product maintain a new look.
- Robust Design: Made from hard, firm materials that are resistant to damage from accidental impacts or falling.
- Elegant Aesthetic: Features a classic white, elegant, and sophisticated design that complements various home interiors.
- Waterproof Panel: Designed with a panel that offers resistance to water splashes, enhancing durability in certain environments.
- Flame Retardant Materials: Constructed with high-temperature resistant, flame retardant ABS and plastic to strengthen protection against power line short circuits.





4. Specifications
| Attribute | Value |
|---|---|
| Brand Name | WESA |
| Model Number | MZB03 |
| Material | Plastic |
| Panel Material | Flame retardant ABS |
| Base Material | Flame retardant plastic |
| Copper Material | High quality brass |
| Contact Material | Silver dots |
| Socket Type | Socket 220V (EU Standard) |
| Installation Type | Wall Mounted |
| Rated Current | 16A |
| Grounding | Varies by SKU (e.g., No Ground, With Ground) |
| Number of Slots | Varies by SKU (e.g., 1, 2) |
| Application | Residential / General-Purpose |
| Is Smart Device | No |
| Extension Cable Length | None |
| Shape | Square |
| Standard Dimensions | 64mm x 64mm |
| Depth | 30mm |
| Origin | Mainland China |
| Certification | CE, RoHS, WEEE |


5. Installation and Setup
Before you begin: Ensure the main power supply to the circuit is turned OFF at the circuit breaker or fuse box. Use a voltage tester to confirm that the power is off.
- Prepare the Installation Area: Ensure you have a suitable wall box or surface for mounting the switch/socket. The standard dimensions are 64mm x 64mm.
- Remove the Faceplate: Carefully detach the front faceplate from the main body of the switch/socket to expose the wiring terminals.
- Wire Connections:
- Connect the live wire(s) to the 'L' terminal(s).
- Connect the neutral wire(s) to the 'N' terminal(s).
- If your model includes grounding, connect the ground wire to the 'E' (earth) terminal. Ensure all connections are tight and secure.
- Mount the Device: Secure the main body of the switch/socket to the wall box or surface using appropriate screws. Ensure it is flush and stable.
- Reattach Faceplate: Carefully snap or screw the faceplate back onto the main body.
- Restore Power: Turn the main power supply back ON at the circuit breaker.
- Test Functionality: Test the switch/socket to ensure it operates correctly.
For visual guidance on product types, please refer to the product showcase video:
6. Operation
- Switches: For models with switches (e.g., 1 Gang 1 Way Switch, 2 Gang 1 Way Switch), simply press the rocker switch to turn the connected appliance or light ON or OFF.
- Sockets: For models with sockets (e.g., 1 Socket No Ground, 2 Socket with Ground), insert the plug of your appliance into the socket. Ensure the plug is fully inserted for a secure connection.
7. Maintenance
- Cleaning: To clean the surface of the switch or socket, wipe it gently with a soft, damp cloth. Do not use abrasive cleaners, solvents, or harsh chemicals, as these may damage the finish or material. Ensure the power is off before cleaning.
- Inspection: Periodically inspect the device for any signs of wear, damage, or loose connections. If any issues are found, turn off the power and consult a qualified electrician for repair or replacement.
- Durability: The product is designed for long-term use, with components like high-quality brass and silver dots for contacts ensuring reliable performance.
8. Troubleshooting
If you experience issues with your WESA Wall Mount EU Switch or Socket, consider the following common troubleshooting steps:
- No Power to Device/Appliance:
- Check the circuit breaker or fuse box to ensure the power is ON for that circuit.
- Verify that the appliance or light connected to the switch/socket is functioning correctly by testing it in another known working outlet.
- Ensure the plug is fully inserted into the socket.
- Switch Not Responding:
- If the switch does not turn the light/appliance on or off, turn off the power at the circuit breaker and inspect the wiring connections for looseness or damage.
- Overheating:
- If the switch or socket feels warm to the touch, immediately disconnect any appliances and turn off the power. This could indicate an overload or a wiring issue. Consult a qualified electrician.
If the problem persists after performing these steps, it is recommended to consult a qualified electrician.
9. User Tips
No specific user tips from reviews or Q&A were available for this product at the time of manual creation. However, general best practices for electrical accessories include:
- Avoid overloading sockets by plugging in too many high-power appliances.
- Regularly check plugs and cords of connected appliances for damage.
- Keep the area around switches and sockets clear of obstructions.
10. Warranty and Support
WESA products are manufactured to high-quality standards and are certified with CE, RoHS, and WEEE, ensuring compliance with European safety and environmental directives.
For technical support, warranty claims, or any questions regarding your WESA Wall Mount EU Switch or Socket, please contact your retailer or the WESA Official Store directly. Please have your model number (MZB03) and purchase information ready when contacting support.





