S4A-01-20A Tuya Universal Smart Wi-Fi Plug with Power Meter (20A / 4400W)
S4A-01-20A Tuya, Universal Plug, 20A / 4400W, Power Metering, Overload/Overheat Protection, Tuya Wi-Fi
The S4A-01-20A is an ultra-heavy-duty universal smart Wi-Fi plug engineered for 20A (4400W) maximum load, featuring continuous real-time energy metering, overload safety shut-off, and Tuya Smart automation.
Product Overview
Built for high-demand electrical loads such as air conditioners, large washing machines, water pumps, commercial heaters, and server equipment, the S4A-01-20A delivers an industry-leading 20A load rating. Reinforced internal copper busbars and high-capacity relays ensure safe continuous operation while detailed energy analytics track every watt consumed.
Why Buy This Product
Massive 4400W Capacity
Safely controls heavy air conditioning units and industrial equipment where standard plugs melt.
Overheat Auto-Shutdown
Built-in thermal sensor cuts power automatically if internal socket temperature exceeds 80°C.
Commercial Equipment Auditing
Audit exact electrical consumption for workshop tools, commercial laundry, and crypto miners.
Best for These Applications
Air Conditioners & Heat Pumps
Controls high-amperage split system and portable AC units with scheduled cooling routines.
Water Heaters & Borehole Pumps
Schedules water pump runtime and prevents dry-run overcurrent damage.
Key Advantages
- Reinforced 20A Architecture:Heavy-gauge phosphor bronze contact springs maintain low contact resistance and cool operation.
- High-Current Overload Failsafe:Instantaneous electronic trip protects appliance compressors from brownouts and surges.
Frequently Asked Questions
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Weight | 0.11 |
| Shipping Weight | 0.16 |
| Plug Standard | Universal (Accepts UK, EU, US, AU Pins) |
| Socket Type | smart-plug |
| Outlets Count | 1 |
| Input Voltage | AC 100-240V, 50/60Hz |
| Rated Current | 20A |
| Max Power Watts | 4400 |
| Standby Power Consumption | < 0.5 W |
| Power Monitoring | Yes |
| Energy Statistics Intervals | Daily kWh, Monthly kWh, Total Consumption |
| Electricity Cost Calculator | Yes |
| Wireless Protocols | Wi-Fi 2.4GHz, Bluetooth BLE |
| App Support | Tuya Smart, Smart Life |
| Voice Assistant Support | Amazon Alexa, Google Assistant |
| Timing Functions | Countdown Timer, Daily/Weekly Schedule, Circulate Timer |
| Child Safety Shutter | Yes |
| Overload Protection | Yes |
| Overheat Protection | Yes |
| Housing Flame Retardant Rating | 750°C Glow-Wire Flame Retardant PC |
| Operating Temp | -10°C to 50°C |
| Operating Humidity | 10% to 90% RH |
| Dimensions | 50 x 50 x 52 mm |
| Stock | 8 |
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