The SINOTIMER WPS103-63A is a smart protection and monitoring device designed for single-phase installations. It provides protection against overvoltage, undervoltage, and overcurrent, featuring a digital LED display and WiFi connectivity for remote control. The WPS103 model also includes energy consumption monitoring (kWh), making it ideal for managing electricity usage in residential or commercial applications.

Technical Features:

• Power Supply Voltage: AC 230V / 50-60Hz
• Nominal Current: up to 63A
• Product Type: voltage protector switch + energy meter + smart relay
• Display: digital LED (voltage, current, energy)
• Connectivity: WiFi (Tuya / Smart Life)
• Control: via mobile app + physical button
• Protections: overvoltage, undervoltage, overcurrent
• Auto-restart function: yes
• Timing function: yes
• Power outage memory: yes
• Measurement accuracy: class 1.0
• Support: DIN rail mounting
• Operating temperature: -10°C to +40°C
• Dimensions: approximately 82 x 18 x 51 mm

Functionality: The device monitors parameters of the electrical network in real-time:

• Voltage (V)
• Current (A)
• Energy consumption (kWh)

If preset values are exceeded, power is automatically cut off and will restart once normal parameters are restored.

Main Features:

• Protection against overvoltage and undervoltage
• Overcurrent protection
• Energy consumption measurement (kWh)
• Clear and easy-to-read LED display
• Remote control via app
• Scheduling and timing
• Automatic restart after fault
• Power outage memory

Connections:

• Input: live (L) and neutral (N)
• Output: to load

It connects to a DIN rail and is wired in series with the protected circuit. The wiring diagram is provided in the manual (page 7).

Conditions of Use:

• Installation by a qualified electrician
• Indoor use
• Requires 2.4GHz WiFi network
• Should not exceed 63A

Packaging Contents:

• 1 x SINOTIMER WPS103 smart circuit breaker
• 1 x user manual