1. Introducció
This manual provides essential information for the safe and effective installation, operation, and maintenance of your TOMZN TOB9-63M Metering 50A 1P+N WiFi Smart Circuit Breaker. Please read this manual thoroughly before installation and retain it for future reference. This device integrates circuit protection with smart energy monitoring and control capabilities via WiFi.
2. Informació important de seguretat
WARNING: Electrical shock hazard. Installation and servicing must be performed by qualified personnel only.
- Always disconnect power at the main circuit breaker before installing or servicing this device.
- Assegureu-vos que tot el cablejat compleixi amb els codis elèctrics locals i nacionals.
- No feu funcionar el dispositiu si sembla que està danyat.
- This device is designed for indoor use in a dry environment unless otherwise specified for outdoor enclosures.
- Comproveu el voltage and current ratings of your electrical system are compatible with this device.
3. Característiques del producte
- Protecció de circuits: Prevents damage caused by short circuits and overloads.
- Construcció duradora: Made with high-quality insulating materials to withstand various conditions.
- Flame-Retardant & UV Resistant: Housing designed for long-term durability.
- Connexions segures: Screw-type terminals ensure stable and secure electrical connections.
- Aplicació àmplia: Suitable for solar inverters, charge controllers, and battery banks.
- Connectivitat WiFi: Smart control and monitoring via TUYA/Smartlife app.
- Mesura d'energia: Measures kWh, voltage, corrent i potència.
4. Contingut del paquet
- 1 x TOMZN TOB9-63M Metering 50A 1P+N WiFi Smart Circuit Breaker
- 1 x Manual d'usuari (aquest document)
5. Especificacions tècniques
| Especificació | Valor |
|---|---|
| Número de model | TOB9-63M Metering 50A |
| Corrent nominal | 50A |
| Pols | 1P+N |
| Vol. Operatiutage | 90-300 V CA (50/60 Hz) |
| Funció de mesura | Yes (kWh, W, V, A) |
| Dispositiu intel·ligent | Yes (WiFi, TUYA/Smartlife Compatible) |
| Certificació | CE |
| Pes de l'article | 3.53 unces |
| Dimensions del paquet | 0.39 x 0.39 x 0.39 polzades (aproximat) |
6. Producte acabatview i Components
The TOB9-63M is a compact device designed for DIN rail mounting. It features clear markings for power input (N, L) and load output (N, L), a manual ON/OFF button, and indicator lights for signal and WiFi status.


7. Instal·lació i cablejat
7.1 Passos d'instal·lació
- Desconnexió d'alimentació: Before starting, ensure the main power supply to the circuit is completely turned off at the service panel.
- Muntatge: Mount the TOB9-63M onto a standard 35mm DIN rail within an appropriate electrical enclosure. Ensure it is securely clipped into place.
- Cablejat: Refer to the wiring diagram below. Connect the incoming neutral (N) and live (L) wires to the top terminals marked 'N Power' and 'L Power' respectively. Connect the outgoing neutral (N) and live (L) wires to the bottom terminals marked 'N Load' and 'L Load'.
- Connexions segures: Tighten all screw terminals firmly to prevent loose connections, which can cause overheating or intermittent operation.
- Verificar: Comproveu dues vegades totes les connexions del cablejat per assegurar-vos que siguin correctes i segures.
- Restaura l'alimentació: Un cop finalitzada i verificada la instal·lació, restableix l'alimentació del circuit.
7.2 Esquema de cablejat
The device is a 1P+N (Single Pole + Neutral) circuit breaker. The 'N' terminal is for the Neutral wire, and the 'L' terminal is for the Live (Phase) wire. Ensure correct polarity.
- Terminals principals: Input Power (N, L)
- Terminals inferiors: Output Load (N, L)
8. Smart Functionality Setup (WiFi & App)
- Descarregar l'aplicació: Download the 'Tuya Smart' or 'Smart Life' app from your smartphone's app store (iOS or Android).
- Registra't/Inici de sessió: Obre l'aplicació i registra't per obtenir un compte nou o inicia la sessió si ja en tens un.
- Activa el mode de vinculació: With the device powered on, press and hold the manual ON/OFF button for 5-7 seconds until the WiFi indicator light starts blinking rapidly. This indicates pairing mode.
- Afegeix un dispositiu: In the app, tap the '+' icon (usually in the top right corner) to add a new device. Select 'Electrical' > 'Circuit Breaker (Wi-Fi)' or 'Switch (Wi-Fi)'.
- Connecteu-vos a WiFi: Follow the on-screen instructions to connect the device to your 2.4GHz WiFi network. Enter your WiFi password when prompted.
- Dispositiu afegit: Once successfully connected, the WiFi indicator light on the device will stop blinking and remain solid. You can then rename the device in the app.
9. Instruccions de funcionament
9.1 Funcionament manual
- Botó ON/OFF: Press the large circular button on the front of the device to manually turn the circuit breaker ON or OFF.
9.2 Control d'aplicacions
- Comandament ON/OFF: Use the Tuya Smart/Smart Life app to remotely turn the circuit breaker ON or OFF from anywhere with an internet connection.
- Monitorització energètica: View real-time and historical data for kWh consumption, current (A), voltage (V), and power (W) directly in the app.
- Programació i temporitzador: Set schedules or countdown timers for automatic ON/OFF operations.
- Automatització: Create smart scenes and automations based on various conditions (e.g., turn off when power consumption exceeds a limit).
10. Manteniment
- Neteja: Netegeu periòdicament l'exterior del dispositiu amb un drap sec i suau. No utilitzeu productes de neteja abrasius ni dissolvents.
- Inspecció: Regularly inspect the wiring connections for tightness and signs of wear or damage.
- Actualitzacions de firmware: Check the Tuya Smart/Smart Life app for any available firmware updates for the device to ensure optimal performance and security.
- Condicions ambientals: Ensure the device operates within its specified temperature and humidity ranges.
11. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| El dispositiu no s'encén. | No power to the circuit breaker; incorrect wiring. | Check the main circuit breaker. Verify wiring connections are correct and secure. |
| WiFi indicator not blinking (pairing mode). | Button not held long enough; device already paired. | Press and hold the ON/OFF button for 5-7 seconds. If already paired, check app connection. |
| No es pot connectar a la xarxa Wi-Fi. | Contrasenya Wi-Fi incorrecta; xarxa de 5 GHz; senyal feble. | Ensure you are using a 2.4GHz WiFi network. Re-enter password carefully. Move device closer to router or use a WiFi extender. |
| El dispositiu s'encén amb freqüència. | Overload or short circuit in the connected load. | Identify and resolve the cause of the overload or short circuit. Consult a qualified electrician. |
| Energy metering data is inaccurate. | Incorrect wiring; device malfunction. | Verify wiring connections. If problem persists, contact customer support. |
12. Garantia i Suport
12.1 Informació de la garantia
This product is covered by a standard manufacturer's warranty against defects in materials and workmanship. Please refer to the specific warranty terms provided at the point of purchase or contact your retailer for details. The warranty does not cover damage caused by improper installation, misuse, unauthorized modifications, or acts of nature.
12.2 Atenció al client
For technical assistance, troubleshooting, or warranty claims, please contact your retailer or the manufacturer's customer support. Have your product model number and purchase information ready when contacting support.





