1. Uvod
This manual provides detailed instructions for the installation, operation, and maintenance of your TOMZN TOB1S-63 Three Phase 3P+N WiFi Smart Circuit Breaker. This device is designed to provide advanced electrical protection and smart control capabilities for various applications, including solar installations. Please read this manual thoroughly before installation and use to ensure safe and efficient operation.
2. Varnostne informacije
OPOZORILO: Electrical shock hazard. Installation and servicing must be performed by qualified personnel only. Always disconnect power before working on the circuit breaker or associated wiring.
- Ensure the main power supply is OFF before installation or maintenance.
- Verify correct wiring connections to prevent damage to the device and connected equipment.
- Ne uporabljajte odklopnika, če je videti poškodovan.
- This device is designed for indoor use or in appropriate enclosures that protect it from direct weather exposure.
3. Izdelek je končanview
The TOMZN TOB1S-63 is a smart circuit breaker offering protection against over-voltage (OVP), podzvtage (UVP), over-current (OCP), and short-circuit conditions. It features WiFi connectivity for remote control via the TUYA Smartlife app and supports RS485 Modbus communication.

Slika 3.1: Spredaj view of the TOB1S-63 Smart Circuit Breaker, showing the main switches, power and load terminals, WiFi antenna, and indicator lights.

Slika 3.2: Pod kotom view highlighting the input (Power) and output (Load) terminals, along with the WiFi antenna connection point.
Ključne komponente:
- Main Switches: Manual ON/OFF control for each phase.
- Napajalni priključki: Input connections for the three-phase and neutral lines.
- Load Terminals: Output connections to the protected circuit.
- WiFi antena: For wireless communication with the Smartlife app.
- Signal/Light Indicators: Provide status feedback (e.g., power, WiFi connection).
- DIN Rail Mounting Clips: For secure installation on a standard DIN rail.

Slika 3.3: stran view illustrating the DIN rail mounting clips for easy installation.
4. Nastavitev
4.1 Mehanska namestitev
- Ensure all power is disconnected at the main breaker.
- Mount the TOB1S-63 circuit breaker onto a standard 35mm DIN rail by engaging the clips on the back of the device.
4.2 Električna napeljava
The TOB1S-63 is a 3P+N device. Connect the incoming power supply to the 'Power' terminals and the load to the 'Load' terminals as indicated on the device.
- Connect the three phase lines (L1, L2, L3) and the neutral line (N) to the respective 'Power' input terminals.
- Connect the corresponding load lines (L1, L2, L3, N) to the 'Load' output terminals.
- Ensure all screw-type terminals are tightened securely to prevent loose connections and arcing.

Slika 4.1: Zgornji del view with a simplified wiring diagram indicating Power (input) and Load (output) connections.
4.3 WiFi Network Connection (TUYA Smartlife App)
- Download the 'TUYA Smartlife' app from your smartphone's app store.
- Register or log in to your Smartlife account.
- Ensure the circuit breaker is powered ON. The 'Signal' indicator light should be blinking. If not, press and hold the 'Press 10s network' button until it blinks rapidly.
- In the Smartlife app, tap '+' to add a device. Select 'Electrical' > 'Circuit Breaker (Wi-Fi)'.
- Follow the on-screen instructions to connect the device to your 2.4GHz WiFi network.
- Once connected, the 'Signal' indicator will become solid.
4.4 RS485 Modbus Connection (Optional)
For RS485 Modbus communication, connect the A and B terminals of the circuit breaker to your Modbus network. Refer to the Modbus protocol documentation for specific register addresses and communication parameters.
5. Navodila za uporabo
5.1 Ročno upravljanje
To manually turn the circuit breaker ON or OFF, use the red toggle switches on the front panel. Push up for ON, push down for OFF.
5.2 Smartlife App Operation
Once connected to the Smartlife app, you can:
- Daljinsko vklopite/izklopite odklopnik.
- Set schedules or timers for automatic operation.
- Monitor real-time current, voltage in porabo energije.
- Adjust protection parameters (OVP, UVP, OCP).
5.3 Zaščitne funkcije
The TOB1S-63 provides the following adjustable protection features:
- Preko Voltage Zaščita (OVP): Adjustable range 250-300V. The breaker will trip if the voltage exceeds this set limit.
- Pod Voltage zaščita (UVP): Adjustable range 150-200V. The breaker will trip if the voltage drops below this set limit.
- Zaščita pred preobremenitvijo (OCP): Adjustable range 1-63A. The breaker will trip if the current exceeds this set limit.
- Zaščita pred kratkim stikom: Non-adjustable, inherent protection against short circuits.
Adjust these settings via the Smartlife app interface for the device. After a trip event, investigate the cause before manually resetting the breaker.
6. Vzdrževanje
The TOMZN TOB1S-63 circuit breaker requires minimal maintenance.
- Periodically inspect the wiring connections to ensure they remain tight and free from corrosion.
- Napravo vzdržujte čisto in brez prahu ter umazanije. Za čiščenje uporabljajte suho, mehko krpo.
- Ne uporabljajte tekočih čistil ali topil.
- Poskrbite za ustrezno prezračevanje okoli naprave, da preprečite pregrevanje.
7. Odpravljanje težav
- Naprava se ne vklopi:
- Preverite glavno napajanje.
- Verify all input wiring connections are secure.
- Circuit breaker trips frequently:
- Check for over-current conditions on the load.
- Preverite voltage levels are within the set OVP/UVP ranges.
- Inspect for short circuits in the connected load.
- Adjust OVP/UVP/OCP settings if necessary, ensuring they are appropriate for your application.
- Težave z brezžično povezavo:
- Ensure your router is 2.4GHz compatible.
- Check WiFi signal strength at the device location.
- Restart the circuit breaker and your WiFi router.
- Re-attempt the pairing process in the Smartlife app.
- RS485 Modbus communication failure:
- Verify A and B terminal connections.
- Check Modbus network configuration and device address.
8. Specifikacije
| Funkcija | Specifikacija |
|---|---|
| Številka modela | TOB1S-63 3P+N |
| Nazivna voltage | 380VAC (3-Phase) |
| Nazivni tok | 1–63 A (nastavljivo) |
| Preko Voltage Nastavljivo območje | 250-300V |
| Pod Voltage Nastavljivo območje | 150-200V |
| Povezljivost | WiFi (2.4GHz), RS485 Modbus |
| Zaščitne funkcije | OVP, UVP, OCP, Short-Circuit |
| Montaža | 35 mm DIN letev |
| Certificiranje | CE |
| Teža predmeta | 100 g |
| Mere (pribl.) | 1 x 1 x 1 cm (dimenzije paketa) |
9. Garancija in podpora
For warranty information and technical support, please refer to the documentation provided with your purchase or contact your retailer. Keep your purchase receipt as proof of purchase.





