1. Introducció
This manual provides comprehensive instructions for the installation, setup, operation, and maintenance of your TOMZN TOB15-63 WiFi Smart Circuit Breaker. This device is designed to offer advanced electrical protection and remote control capabilities for various applications, including solar systems and general electrical circuits. Please read this manual thoroughly before installation and use to ensure safe and efficient operation.
2. Informació de seguretat
ADVERTÈNCIA: Perill de descàrrega elèctrica. La instal·lació i el manteniment només els ha de dur a terme personal qualificat.
- Always disconnect power before installing or servicing the circuit breaker.
- 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 or in enclosures that protect it from direct weather exposure.
- Comproveu el vol correctetage and current ratings before connecting to any circuit.
3. Característiques del producte
- Comandament a distància: Manage power ON/OFF via the Ewelink application.
- Over/Under Voltage Protecció: Automatically disconnects power when voltage exceeds or falls below adjustable thresholds.
- Current Limiting Protection: Prevents damage from overcurrent by disconnecting power when current exceeds an adjustable limit.
- Pantalla LCD: Visualització en temps real del voltage i corrent.
- Paràmetres ajustables: User-configurable settings for over-voltage, baix voltage, current limit, and delay-on time.
- Construcció duradora: Made with insulating, flame-retardant, and UV-resistant materials for long-term reliability.
- Connexions segures: Screw-type terminals ensure stable electrical connections.
- Aplicació versàtil: Suitable for solar inverters, charge controllers, battery banks, and general circuit protection.
4. Especificacions
| Paràmetre | Valor |
|---|---|
| Número de model | TOB15-63 WIFI |
| Tipus | Mini interruptor automàtic |
| MCB Side Rate Current | 63A |
| Més del voltage Interval ajustable | 230V-300V |
| Sota el voltage Interval ajustable | 145V-210V |
| Current Limiting Adjustable Range | 1A-63A |
| Delay On Time Adjustable Range | 3-300S |
| Connectivitat | WiFi (Ewelink App) |
| Certificació | CE |
| Dimensions (aprox.) | 0.39 x 0.39 x 0.39 polzades |
| Pes (aprox.) | 3.53 unces |
5. Instal·lació
The TOMZN TOB15-63 WiFi Smart Circuit Breaker is designed for DIN rail mounting within an electrical panel or suitable enclosure. Ensure the installation environment is dry and protected from direct sunlight and extreme temperatures.
- Desconnexió d'alimentació: Before starting, ensure the main power supply to the circuit is completely disconnected at the source. Use a voltage tester to confirm no power is present.
- Muntatge: Securely mount the circuit breaker onto a standard DIN rail in your electrical panel.
- Cablejat:
- Connect the incoming live (L) and neutral (N) wires to the designated input terminals (usually marked 'IN' or with arrows pointing inwards).
- Connect the outgoing live (L) and neutral (N) wires to the designated output terminals (usually marked 'OUT' or with arrows pointing outwards).
- Ensure all connections are tight and secure using the screw-type terminals. Loose connections can cause overheating and fire hazards.
- Verificació: 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.

Figura 1: Frontal view of the TOMZN TOB15-63 WiFi Smart Circuit Breaker. This image shows the main switch, LCD display, 'SET' button, and up/down navigation buttons. The display shows "2.3.8.U" and the text "ON/OFF Press 5s to Pairing network" is visible below the navigation buttons.
6. WiFi and Ewelink App Setup
To utilize the smart features of your circuit breaker, you need to connect it to your WiFi network via the Ewelink application.
- Download Ewelink App: Download and install the Ewelink app from your smartphone's app store (iOS or Android).
- Registra't/Inici de sessió: Obre l'aplicació i registra un compte nou o inicia la sessió amb un d'existent.
- Introduïu el mode de vinculació: With the circuit breaker powered on, press and hold the "ON/OFF" button (located below the navigation buttons, as shown in Figure 1) for approximately 5 seconds until the WiFi indicator light starts blinking rapidly. This indicates the device is in pairing mode.
- Afegeix un dispositiu a l'aplicació: In the Ewelink app, tap the "+" icon to add a new device. Follow the on-screen instructions to select the device type (e.g., "Electrical Switch" or "Circuit Breaker") and connect it to your 2.4GHz WiFi network.
- Confirmació: Once successfully paired, the WiFi indicator light on the circuit breaker will become solid, and the device will appear in your Ewelink app. You can now rename the device and control it remotely.
7. Funcionament
7.1. Control manual
- Interruptor principal: The red lever on the left side of the device (Figure 1) acts as a manual ON/OFF switch for the circuit. Push it up to turn ON, and down to turn OFF.
7.2. Pantalla LCD i navegació
The LCD display shows real-time electrical parameters. It typically cycles between displaying voltage (V) i corrent (A).

Figura 2: Angle view of the TOMZN TOB15-63 WiFi Smart Circuit Breaker. This image highlights the LCD display showing "2.3.8.U" and text indicating adjustable over/under voltage and current limiting values, and that current and voltage display in turn.
- Botó SET: Press the 'SET' button to cycle through different display modes or to enter parameter adjustment mode.
- Botons amunt / avall: Use the up and down arrow buttons to navigate through menu options or adjust parameter values when in adjustment mode.
7.3. Ajust de paràmetres
To adjust protection parameters (over-voltage, baix voltage, current limit, delay-on time):
- Press and hold the 'SET' button for a few seconds until the display enters parameter adjustment mode.
- Use the 'SET' button to cycle through the adjustable parameters (e.g., Over Voltage, sota el voltage, Current Limit, Delay Time).
- When the desired parameter is displayed, use the Up and Down arrow buttons to adjust its value.
- After setting the value, press 'SET' again to confirm and move to the next parameter, or wait a few seconds for the device to automatically save and exit adjustment mode.
Refer to the Specifications section for the adjustable ranges of each parameter.
7.4. Remote Control via Ewelink App
- Open the Ewelink app on your smartphone.
- Select your TOMZN circuit breaker from the device list.
- Use the ON/OFF toggle in the app to remotely control the power supply.
- The app also allows you to view vol en temps realtage and current, set schedules, and configure protection parameters remotely.
8. Manteniment
The TOMZN TOB15-63 WiFi Smart Circuit Breaker requires minimal maintenance. Regular checks can help ensure its longevity and reliable operation.
- Inspecció visual: Inspeccioneu periòdicament el dispositiu per detectar qualsevol signe de danys físics, decoloració o connexions soltes.
- Neteja: Si cal, netegeu suaument l'exterior del dispositiu amb un drap sec i suau. No utilitzeu netejadors líquids ni dissolvents.
- Comprovació de la connexió: Assegureu-vos que totes les connexions del cablejat estiguin ben ajustades i segures.
- Prova de funcionalitat: Occasionally test the manual ON/OFF switch and verify that the LCD display is functioning correctly.
9. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Device has no power/LCD is off. | No incoming power; loose wiring; internal fault. | Check main power supply. Verify all wiring connections are secure. If problem persists, contact support. |
| L'interruptor automàtic salta amb freqüència. | Overload; short circuit; over/under voltage condition; incorrect parameter settings. | Reduce load on the circuit. Check for short circuits. Review and adjust over/under voltage and current limiting settings. |
| Cannot connect to WiFi/Ewelink app. | Incorrect WiFi password; 5GHz WiFi network; device not in pairing mode; weak WiFi signal. | Ensure correct 2.4GHz WiFi network and password. Put device into pairing mode (hold ON/OFF for 5s). Move device closer to router or use a WiFi extender. |
| El comandament a distància no respon. | No internet connection on phone or device; device offline in app. | Check internet connectivity on your phone. Verify the device is online in the Ewelink app. Restart the app or the circuit breaker. |
10. Garantia i Suport
This product comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the documentation provided with your purchase or contact your retailer. For technical support or inquiries, please reach out to the manufacturer or your point of purchase.





