1. परिचय
This manual provides detailed instructions for the installation, operation, and maintenance of the Sonew ZXB3 125W 3P 63A WiFi Metering Circuit Breaker. This smart device offers remote control, timed switching, advanced leakage protection, and power metering capabilities via the Tuya APP, designed for AC 400V electrical systems.
2. सुरक्षितता माहिती
Please read all safety warnings and instructions carefully before installing or operating this device. Failure to follow these instructions may result in electric shock, fire, or serious injury.
- केवळ पात्र कर्मचारी: Installation and wiring must be performed by a qualified electrician in accordance with all local and national electrical codes.
- वीज खंडित होणे: कोणतीही स्थापना, वायरिंग किंवा देखभाल करण्यापूर्वी नेहमी मुख्य सर्किट ब्रेकरवरील वीज खंडित करा.
- खंडtagई तपासा: पुरवठा खंड सुनिश्चित कराtage डिव्हाइसच्या रेट केलेल्या व्हॉल्यूमशी जुळतेtage (AC 400V).
- योग्य ग्राउंडिंग: Ensure the electrical system is properly grounded.
- पर्यावरणीय परिस्थिती: Do not install in environments with excessive moisture, dust, or corrosive gases. The device features an insulated structure and anti-interference design for humid environments, but direct exposure to water should be avoided.
- ओव्हरलोड संरक्षण: Do not exceed the rated current of 63A.
3. उत्पादन संपलेview
The Sonew ZXB3 125W is a 3-pole smart circuit breaker designed for advanced electrical management. It integrates WiFi connectivity for remote control and monitoring.
3.1. घटक
- मुख्य भाग: The circuit breaker unit with terminals for power input and load output.
- अँटेना: वायफाय कनेक्टिव्हिटीसाठी.
- Antenna Base: To mount the antenna.
- टर्मिनल: Additional terminal for specific connections (e.g., RS485).
- Manual Switch Levers: Red levers for manual ON/OFF control.
- सिग्नल लाइट: Indicates network status.
- Power Meter Display: Shows kWh, W, A, V readings.

आकृती 3.1: समोर view of the Sonew ZXB3 125W WiFi Metering Circuit Breaker, showing the main body, manual switch levers, power meter display, signal light, and attached antenna.
५. स्थिती निर्देशक
The device features a visualization window to indicate the circuit status:
- लाल सूचक: When the switch is in the UP position, the circuit is connected and in use.
- हिरवा सूचक: When the switch is in the DOWN position, the circuit is disconnected (closed).

आकृती 3.2: Visualization window indicating circuit status. Red signifies the circuit is connected, and green signifies it is disconnected.
4. तपशील
| वैशिष्ट्य | तपशील |
|---|---|
| मॉडेल | ZXB3 125W |
| रेट केलेले खंडtage | AC 400V 50/60Hz |
| रेट केलेले वर्तमान (मध्ये) | 63A |
| Frame Pole Current | 125A |
| ध्रुवांची संख्या | 3 |
| यांत्रिक जीवन | 10,000 वेळा |
| विद्युत जीवन | 6,000 वेळा |
| ओव्हरव्होलtage Action Range | AC 240-300V |
| ओव्हरव्होलtage Recovery (Uvor) | AC 220-250V |
| अंडरव्होलtage Action Range | AC 140-190V |
| अंडरव्होलtage Recovery (Uvur) | AC 170-220V |
| अंडरव्होलtage Operation Delay | 0.5-6 सेकंद |
| स्थापना | Standard 35.5 x 75 mm DIN Rail Mount |
| RS485 Communication Baud | 9600 |
| Communication Address Range | 1-247 |
| साहित्य | ज्वालारोधक पीसी |
| उत्पादनाची परिमाणे (L x W x H) | ९.४ x ५.६ x २.५९ सेमी (३.७ x २.२१ x १.०२ इंच) |
| वजन | 530 ग्रॅम (1.17 एलबीएस) |
| मूळ देश | चीन |

आकृती 4.1: Device dimensions, showing a height of 100mm (3.9 inches) and a width of 72mm (2.8 inches).
३. सेटअप आणि इन्स्टॉलेशन
5.1. पॅकेज सामग्री
पॅकेजमध्ये सर्व वस्तू आहेत का ते तपासा:
- 1 x WIFI Metering Circuit Breaker (ZXB3 125W)
- 2 एक्स अँटेना
- 1 x Antenna Base
- 1 x टर्मिनल
- 1 x सूचना पुस्तिका
5.2. भौतिक स्थापना
- वीज बंद: Ensure the main power supply to the installation area is completely disconnected.
- माउंटिंग: Mount the circuit breaker onto a standard 35.5 x 75 mm DIN rail. Ensure it is securely fastened.
- अँटेना कनेक्शन: Connect the provided antenna to the designated port on the circuit breaker.
5.3. वायरिंग
Connect the input power and load wires to the appropriate terminals on the circuit breaker. Refer to the wiring diagram on the device for correct connections. Ensure all connections are tight and secure.
5.4. Tuya APP Connection
To enable smart features, connect the device to the Tuya Smart APP:
- Download & Install Tuya APP: Download the Tuya Smart APP from your mobile device's app store (iOS or Android). Register and log in to your account.
- पॉवर चालू: सर्किट ब्रेकरची शक्ती पुनर्संचयित करा.
- जोडणी मोड प्रविष्ट करा: After connecting the circuit, press the blue button on the device for 5 seconds. The indicator light will turn into a fast flashing state, indicating it is ready for network connection.
- APP मध्ये डिव्हाइस जोडा: Open the Tuya APP. Click on the '+' icon in the top right corner to add a device.
- डिव्हाइस प्रकार निवडा: Choose 'Add Manually' and select the 'Breaker (WiFi)' version from the electrical category.
- फ्लॅशिंगची पुष्टी करा: Confirm that the indicator light on the device is flashing rapidly in the APP.
- WiFi शी कनेक्ट करा: Select your 2.4GHz WiFi network and enter the password. The device will then connect to the network.
- डिव्हाइस जोडले: Once connected, the device will appear in your Tuya APP.

आकृती 5.1: Visual guide for connecting the circuit breaker to the Tuya Smart APP, showing steps from app download to device pairing.
6. ऑपरेटिंग सूचना
6.1. मॅन्युअल नियंत्रण
The circuit breaker can be manually operated using the red switch levers:
- चालू: Push the red lever(s) upwards to connect the circuit and supply power. The visualization window will show red.
- बंद: Push the red lever(s) downwards to disconnect the circuit and cut power. The visualization window will show green.
6.2. Remote Control via Tuya APP
Once connected to the Tuya APP, you can remotely control and monitor the circuit breaker:
- स्विचिंगः Tap the switch icon in the APP to turn the circuit ON or OFF from anywhere.
- देखरेख: View real-time power consumption (kWh), current (A), voltage (V), and power (W) directly in the APP.
6.3. Timed Switching
Use the timer function in the Tuya APP to schedule automatic ON/OFF operations:
- Navigate to the device settings in the Tuya APP.
- Select the 'Timer' or 'Schedule' option.
- Set desired times for the circuit breaker to turn ON or OFF.
6.4. आवाज नियंत्रण
The device is compatible with most smart AI speakers (e.g., Amazon Alexa, Google Assistant) when integrated through the Tuya APP. Follow the instructions provided by your smart speaker manufacturer to link your Tuya account.
6.5. Advanced Leakage Protection
The smart leakage switch provides enhanced safety:
- The insulated structure and anti-interference design ensure maximum safety, even in humid environments.
- In the event of a leakage, the device will rapidly cut off the power within 0.04 seconds.
6.6. Prepaid Automatic Limiting Function
This function continuously monitors energy consumption over 24 hours. If a predefined payment threshold is exceeded or a payment delay occurs (requires specific setup in the Tuya APP, if available), the circuit breaker will automatically trip and cut off the power supply.
7. देखभाल
The Sonew ZXB3 125W circuit breaker is designed for minimal maintenance. However, regular checks are recommended:
- व्हिज्युअल तपासणी: Periodically inspect the device for any signs of physical damage, loose connections, or overheating.
- स्वच्छता: Ensure the device is clean and free from dust. Use a dry, soft cloth for cleaning. Do not use liquid cleaners.
- कार्यक्षमता चाचणी: Occasionally test the manual ON/OFF function to ensure proper operation.
- फर्मवेअर अद्यतने: Check the Tuya APP for any available firmware updates for the device to ensure optimal performance and security.
महत्त्वाचे: कोणतीही देखभाल किंवा तपासणी करण्यापूर्वी नेहमी वीज खंडित करा.
8. समस्या निवारण
If you encounter issues with your Sonew ZXB3 125W circuit breaker, refer to the following common problems and solutions:
| समस्या | संभाव्य कारण | उपाय |
|---|---|---|
| डिव्हाइस चालू होत नाही. | No power supply; incorrect wiring; device fault. | Check main power supply. Verify wiring connections. If problem persists, contact support. |
| Tuya APP शी कनेक्ट करू शकत नाही. | Incorrect WiFi password; 5GHz WiFi network; device not in pairing mode; weak WiFi signal. | Ensure correct 2.4GHz WiFi password. Confirm device is flashing rapidly. Move device closer to router. Reset device and try pairing again. |
| सर्किट ब्रेकर वारंवार ट्रिप्स होतात. | Overload; short circuit; leakage; undervoltagई/ओव्हरव्होलtage; prepaid limit reached. | Reduce load on the circuit. Check for electrical faults. Inspect for leakage. Review खंडtage settings. Check prepaid function status in APP. |
| रिमोट कंट्रोल काम करत नाही. | No internet connection; device offline in APP; poor WiFi signal. | Check your home internet connection. Verify device status in Tuya APP. Ensure strong WiFi signal to the device. |
| Power metering values are incorrect. | Incorrect wiring; device malfunction. | Verify wiring according to the diagram. If issue persists, contact support. |
If the problem cannot be resolved using the above solutions, please contact Sonew customer support.
9. हमी आणि समर्थन
This product is covered by a standard return policy, typically 30 days from the date of purchase, for refund or replacement. For specific warranty terms and conditions, please refer to your purchase documentation or contact the retailer.
ग्राहक समर्थन
For technical assistance, troubleshooting, or warranty claims, please contact Sonew customer support through the retailer where the product was purchased or visit the official Sonew webसंपर्क माहितीसाठी साइट.





