8-in-1 Din Rail AC Power Meter Instruction Manual

1. Einleitung und Sicherheitshinweise

This manual provides essential information for the safe and efficient operation of your Din Rail AC Power Meter. Please read it thoroughly before installation and use.

Wichtige Sicherheitshinweise:

Dieses Produkt ist nur für den Innenbereich geeignet.
The product is designed for Alternating Current (AC) circuits only.
Ensure that the measured voltage and current do not exceed the calibration range specified in the product parameters.
Kritisch: Connect the wires correctly according to the wiring diagram. Incorrect wiring can cause severe damage to the device and pose a safety hazard.
Product dimensions and colors are subject to the actual product.

2. Hauptmerkmale

The KWS-303 series Din Rail AC Power Meter offers a comprehensive solution for monitoring electrical parameters with advanced features:

8-in-1 Digital Display: Zeigt gleichzeitig Vol antage, Current, Power, Frequency, Power Factor, Active Energy, Timing, and Temperature on a single screen for real-time monitoring.
High-Definition TFT Color Screen: Features a 0.96-inch TFT color screen with a wide viewing angle and high contrast, ensuring easy readability even in low-light conditions.
Mobile Remote Control (KWS-303WF only): Supports WiFi networking and cloud remote control via a mobile application (Smart Life APP or Tuya Smart App), allowing you to monitor and control devices anytime, anywhere. Multiple timed data sets can be added for automated power management.
Standard Din Rail Mounting: Designed for standard guide rail installation, offering convenient, screw-free, and fastener-fixed setup.
Kompakte und einfache Installation: Small size allows for installation in distribution boxes. Simple wiring makes it manageable without professional electrical assistance.
Breites Anwendungsspektrum: Ideal for use in high and low power distribution cabinets, factories, warehouses, commercial buildings, shopping malls, and residential settings.

Multi-function Electricity Meter with key specifications (Voltage, Current, Power, Timing, Energy, Temperature, Frequency, Power Factor). — Figure 2.1: Multi-function Electricity Meter with key specifications.

Illustration of the 0.96-inch TFT color screen, highlighting wide viewing angle and high contrast for easy reading. — Figure 2.2: High-definition TFT Color Screen for clear readings.

Infographic detailing new intelligent upgrade features: Flame retardant material, Din Rail, Small size, Convenient operation, TFT color screen, Copper terminals, High sensitivity, Home recommendation. — Figure 2.3: Intelligent upgrade features of the meter.

3. Technische Daten

Parameter	KWS-303WF	KWS-303L	KWS-303
Modellnummer	KWS-303WF	KWS-303L	KWS-303
Bandtage Reichweite	Wechselstrom 100-290 V	Wechselstrom 100-290 V	Wechselstrom 85-290 V
Aktueller Bereich	0-40A	0-40A	0-40A
Leistungsbereich	0-12 kW	0-12 kW	0-12 kW
Zeitbereich	99 Tage	99 Tage	99 Tage
Elektrischer Energiebereich	0-9999 kWh	0-9999 kWh	0-9999 kWh
Temperaturbereich	-20~150 °C	-20~150 °C	-20~150 °C
Frequenzbereich	50-60 Hz	50-60 Hz	50-60 Hz
Leistungsfaktor	0.00-1.00PF	0.00-1.00PF	0.00-1.00PF
Speicher ausschalten	Ja	Ja	Ja
Übervolumentage-Schutz	Ja	Ja	Ja
Untervoltage-Schutz	Ja	Ja	Ja
Übertemperaturschutz	Ja	Ja	Ja
Timing-Schalter	APP Ja	NEIN	NEIN
Anpassung der Bildschirmhelligkeit	Ja	Ja	Ja
Bildschirm spiegeln	Ja	Ja	Ja
Batterie-Reset	Ja	Ja	Ja
Timer-Reset	Ja	Ja	Ja
W-lan	Ja	NEIN	NEIN
Kurvendiagramm	APP Ja	PC Yes	NEIN
485 Kommunikation	NEIN	Ja	NEIN
Maße	868325 mm
Heimwerkerbedarf	Elektrisch
Anzeigetyp	Nur digital
Phase	Einphasig
Stromversorgung	AC

Note: All data and parameters are for reference only.

Product dimensions diagram for the KWS-303L model, showing 82mm height, 50mm width, and 24mm depth. — Figure 3.1: Product Dimensions (KWS-303L shown as example).

Überview of the 8-in-1 Din Rail AC Power Meter, showing KWS-303, KWS-303WF, and KWS-303L models with their respective displays. — Figure 3.2: Different models in the KWS-303 series.

4. Packungsinhalt

Upon opening your package, you should find:

1 x Din Rail AC Monitor (KWS-303, KWS-303L, or KWS-303WF model as ordered)

5. Installation

5.1 Montage

The KWS-303 series meters are designed for standard Din Rail mounting. No screws or fasteners are required for installation; simply snap the device onto the Din Rail.

Diagram showing the standard guide card slot and mounting design for Din Rail installation. — Figure 5.1: Din Rail Mounting Design.

Image demonstrating standard Din Rail mounting, emphasizing screw-free snap fastening. — Figure 5.2: Standard Rail Bay Mounting.

5.2 Schaltplan

Ensure all power is disconnected before attempting any wiring. Connect the input and output wires as shown in the diagram below. The blue line represents the Zero line (N), and the red line represents the Firing line (L).

Dieses Produkt ist für den Innenbereich geeignet.
This product is suitable for communication.
Das gemessene Volumentage und Stromstärke dürfen den Kalibrierbereich nicht überschreiten.
Be sure to connect the cables correctly.

Wiring diagram for simple installation, showing input/output connections for both KWS-303WF and KWS-303 models, with zero line (blue) and firing line (red). — Figure 5.3: Wiring Diagram for KWS-303WF and KWS-303.

6. Ersteinrichtung und Konfiguration

6.1 Displaybedienung

The meter's display provides real-time data. The buttons below the screen allow for navigation and settings adjustments.

Detaillierte view of the KWS-303WF display, labeling voltage, current, active power, electric energy, keep time, power factor, status display, on-off state, sensor temperature, and temperature sensing interface. — Figure 6.1: Detailed Display Breakdown (KWS-303WF).

6.2 Setting Function Operation

To access the setting menu, hold down the ON/OFF key for 5 seconds. Use the '+' and '-' buttons to navigate and adjust values.

Schritt 1: In the system settings page, click the '-' key to move the cursor to the overvoltage protection position. Then press ON/OFF to select the value, then press '+' to adjust it to the value you need. Then press ON/OFF to save the adjustment, and then press '+' to select other settings.
Schritt 2: If you do not need to set, press the '-' key to move the cursor to the exit position, and then press ON/OFF to return to the home page.
Schritt 3: All following settings (Overvoltage Schutz, Undervoltage protection, Overcurrent protection, Overload protection, Power protection, Overtemperature protection, Power-off ultra-low, Screen brightness, Screen saver time, Screen flip, Language setting, Timing off, Timing on, Data clear, Factory Settings) are adjusted in the same way.

Display diagram showing how to install and operate, with an example of setting over-voltage protection by holding the ON/OFF key. — Figure 6.2: Setting Function Operation Example.

6.3 WiFi Connection (KWS-303WF only)

For models with WiFi functionality (KWS-303WF), follow these steps to connect to the cloud remote control:

Schritt 1: Download the Smart Life APP or Tuya Smart App from your mobile app store.
Schritt 2: For WiFi connection or reset operation mode: Long press the '+' button under the home screen display until the WiFi sign flashes in the upper right corner of the screen. Then, open the mobile APP for connection.

WiFi networking cloud remote intelligent control connection tutorial, showing steps for downloading Smart Life/Tuya Smart App and connecting via WiFi. — Figure 6.3: WiFi Connection Tutorial.

7. Bedienung

7.1 Lesedaten

Once installed and powered on, the meter will automatically display the 8 electrical parameters on its TFT color screen. You can cycle through different views or access detailed information using the control buttons.

7.2 Mobile Remote Control (KWS-303WF only)

After successfully connecting the KWS-303WF model to the Smart Life or Tuya Smart App, you can remotely monitor and control the device. This includes viewing real-time data, setting timing switches, and managing multiple devices.

Illustration of mobile remote control functionality, showing a smartphone controlling the meter from a distance. — Figure 7.1: Mobile Remote Control in action.

Illustration of setting a timer switch on the meter via mobile phone, showing multiple timing data groups. — Figure 7.2: Setting a Timer Switch via Mobile App.

7.3 Share Management (KWS-303WF only)

The mobile application allows for share management, enabling multiple users to control the same device or a single user to control multiple devices. This feature is useful for household or small business environments.

Illustration of mobile app share management, allowing multiple users to control multiple switches. — Figure 7.3: Share Management for Multi-person Control.

8. Wartung

Halten Sie das Gerät sauber und staubfrei. Verwenden Sie zum Reinigen ein weiches, trockenes Tuch.
Setzen Sie das Gerät keinen extremen Temperaturen oder Feuchtigkeit aus.
Do not attempt to open or repair the device yourself, as this will void the warranty and may cause damage or injury.
Überprüfen Sie regelmäßig die Kabelverbindungen, um sicherzustellen, dass sie fest sitzen.

9. Fehlerbehebung

Kein Display/Stromanschluss: Überprüfen Sie die Stromversorgung und die Kabelverbindungen. Stellen Sie sicher, dass die Lautstärketage liegt innerhalb des angegebenen Bereichs.
Falsche Messwerte: Verify that the wiring is correct (Zero line and Firing line). Ensure the current and voltage are within the meter's operational range.
WiFi Connection Issues (KWS-303WF): Ensure your router is 2.4GHz (5GHz is not supported). Check that the WiFi signal is strong. Try resetting the meter's WiFi by long-pressing the '+' button until the WiFi icon flashes, then re-attempt connection via the app.
Tasten reagieren nicht: Ensure the device is powered on. If the issue persists, try a power cycle (turn off and on).

10. Benutzertipps

For optimal performance and accurate readings, ensure the meter is installed in a stable environment away from direct heat sources or excessive vibrations.
Utilize the mobile app's timing functions (KWS-303WF) to automate power control for appliances, saving energy and enhancing convenience.
Regularly check the displayed parameters to identify any unusual power consumption patterns or potential electrical issues in your system.

11. Garantie und Support

Bei technischen Fragen, Garantieansprüchen oder sonstigen Supportanfragen wenden Sie sich bitte direkt an Ihren Händler oder den Hersteller. Bewahren Sie Ihren Kaufbeleg als Kaufnachweis auf.

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