Technical Documentation – Sinotimer SVP688W-63AC2 (Color LCD)

The Sinotimer SVP688W-63AC2 is a WiFi smart switch with a color LCD display, designed for monitoring and protecting single-phase electrical installations. The device allows remote control via the Tuya Smart app, real-time monitoring of electrical parameters, and provides full protection against overvoltage, undervoltage, overcurrent, leakage current, and overheating.

This model uses Double Break technology, disconnecting both the phase and neutral simultaneously for a higher level of safety.

Key Features

• WiFi control via the Tuya Smart app
• High-resolution LCD display
• Energy consumption monitoring (kWh)
• Real-time voltage, current, and power monitoring
• Overvoltage and undervoltage protection
• Overcurrent protection
• Leakage current protection
• High temperature protection
• Simultaneous phase and neutral disconnection (Double Break)
• Adjustable automatic reconnection
• Scheduling and timer functions
• 35 mm DIN rail installation

Technical Specifications

• Brand: Sinotimer
• Model: SVP688W-63AC2
• Product type: WiFi smart switch
• Rated current: 63A
• Poles: 2P (L + N)
• Power supply: 230V AC
• Frequency: 50/60Hz
• Connectivity: WiFi 2.4 GHz
• Compatible app: Tuya Smart / Smart Life
• Installation: 35 mm DIN rail
• Display: Color LCD
• Housing material: Fire-resistant polycarbonate
• LED indicators for status and alarms

Monitoring Functions

• Voltage (V)
• Current (A)
• Power (W)
• Total energy consumption (kWh)
• Leakage current (mA)
• Internal temperature
• Energy consumption history in the app

Built-in Protections

• Overvoltage protection
• Undervoltage protection
• Overcurrent protection
• Leakage current protection
• Overheating protection
• Adjustable trip delay
• Automatic reconnection after fault recovery

Smart Functions

• Remote On/Off control
• Daily and weekly scheduling
• Timer and countdown timer
• Automations and smart scenes
• Real-time notifications in the app
• Continuous internet-based monitoring

Compatibility

• Tuya Smart
• Smart Life
• 2.4 GHz WiFi networks

Applications

• Homes
• Apartments
• Electrical panels
• Commercial spaces
• Offices
• Workshops
• Electrical appliance protection areas
• Energy consumption monitoring

Advantages

• Color LCD display with easy-to-read information
• Comprehensive monitoring of electrical parameters
• Simultaneous phase and neutral disconnection for increased safety
• Multiple built-in protections in one device
• Control and adjustment via the Tuya Smart app
• Quick DIN rail installation
• Compact and modern design

Package Includes

• 1 × Sinotimer SVP688W-63AC2 WiFi smart switch
• User manual

Warnings

• The device operates exclusively on 2.4 GHz WiFi networks.
• Installation must be performed by a licensed electrician.
• Do not exceed the maximum current of 63A and use the product according to the technical specifications.