Voltage Relay

Voltage Relay

Single-phase WiFi current meter and voltage relay KWS-303WF

42.50 €

Price includes 24% VAT · excl. VAT 34.27 €

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This smart small single-phase WiFi power meter (KWS-303WF) is the perfect solution for real-time monitoring of your home, apartment or summer house's electricity consumption and protecting your devices. This compact electricity meter is not just an ordinary meter - it combines the functions of an accurate energy consumption meter, a remote-controlled WiFi switch and a smart voltage relay.

Thanks to its standard DIN rail mounting, this WiFi module meter can be easily installed in any home electrical panel, providing real-time data and solid protection for your electrical system.

Product code: 50698712

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Main advantages and features:

  • Real-time monitoring and Wi-Fi control: Monitor your current consumption, voltage and power directly from your smartphone. The power meter is perfect for smart home systems (Tuya / Smart Life support), offices or rental properties.

  • All-in-one protection: This modular meter also acts as a reliable voltage relay, protecting your expensive home appliances from unexpected power fluctuations, overvoltage, undervoltage, and overcurrent.

  • Clear color LCD display: The easy-to-read display shows all important parameters at once: voltage (V), current (A), power consumption (kW) and total energy consumption (kWh).

  • Durable and safe: Built from high-quality materials that ensure a long service life and low self-consumption.

  • Timer and schedules: The Smartlife smart app allows electrical appliances to be automatically turned on and off according to user-defined times, helping to save energy.

  • Easy installation: Standard DIN rail mounting makes installing the energy meter in the electrical panel quick and convenient.

Technical data:

The technical capabilities of this 1F WiFi modular meter ensure complete control and security:

Parameter Range / Description
Voltage range AC 85-290V (1-phase)
Current strength 0-40A
Energy consumption measurement 0-99999999 kWh
Protective functions Overvoltage, undervoltage and overcurrent protection
Additional features Timer, automatic shut-off, memory function in case of power failure
Operating temperature -20°C to +60°C (standard indoor range)
Installation 35mm DIN rail (standard electrical panel)

Areas of use:

This smart electricity meter is ideal for a variety of environments:

  • Home and apartment: Monitor the electricity consumption of a heat pump, boiler or the entire household and protect devices from voltage fluctuations.

  • Rental market and rental apartments: Ideal sub-meter for measuring tenants' accurate electricity consumption.

  • Garages and summerhouses: Remote monitoring and on/off switching in places where you are not present on a daily basis.