Product Name: Smart Meter Switch 1CH
Model: SA-7578
File version: 1.6.0
Power supply: 110 - 240 VAC ±10%
Power consumption: less than 1W
Wireless connection: BLE / Thread
Radio frequency band: 2400 - 2495 MHz
Maximum load (overall): 16A
Output: 1 independent relay output Dimensions (H x W x D): 46.2 x 39.2 x 19 mm
Weight: 25g
Operating temperature: 0°C ~ 40°C
Storage temperature: -10°C ~ 65°C
Button: Pairing/Reset button × 1
LED light: Green light × 1
Software settings: Abnormal notification (voltage/current overload real-time warning)
Data recording: frequency demand/effective power/apparent power, average current (single phase), voltage frequency (single phase)
Certification: NCC

Supported load types: resistive loads (incandescent lamps, heaters), capacitive loads (capacitors, electronic devices, motor start capacitors), inductive loads (need to be paired with RC absorbers, such as LED drivers, fans, refrigerators, air conditioners)

Technical specifications
Data acquisition method: OpenThread (802.15.4)
Power measurement speed: Sampling interval 0.5 seconds Update frequency: Adjustable to every 1, 5, 10 or 15 minutes Actual measurement data: Thread: Update every 1 minute, Local measurement: Update every 0.5 seconds Voltage accuracy: ±3%
Current accuracy: ±3%
Frequency demand calculation method: The average power in 15 minutes shall not exceed the contract capacity Frequency demand calculation interval: 15 minutes