KWS-303WF WiFi Adjustable Voltage and Current Protection Relay with Digital Display Smart Electrical Protector
Smart WiFi adjustable voltage and current protection relay with digital display, designed for AC electrical protection applications. The device integrates over-voltage, under-voltage and over-current protection functions, supporting WiFi remote monitoring and intelligent control for residential, commercial and industrial electrical systems.
Product Features
The KWS-303WF is a smart WiFi adjustable voltage and current protection relay designed for monitoring and protecting AC electrical systems. The product combines voltage protection, current protection and intelligent remote control functions in one compact modular device.
The device provides over-voltage protection, under-voltage protection and over-current protection functions to help prevent electrical equipment damage caused by abnormal voltage or current conditions. The built-in digital display allows users to monitor electrical parameters clearly, while the adjustment buttons support convenient parameter setting.
With WiFi communication function, the KWS-303WF allows users to remotely monitor and control the device through a mobile application. The product adopts a compact DIN rail mounting structure with clear L/N input and output terminals, making installation and maintenance more convenient.
Application
Suitable for residential distribution boxes, smart home electrical systems, commercial power distribution, industrial control panels and other AC electrical protection applications. It can be used for protecting household appliances, electrical equipment and power circuits from over-voltage, under-voltage and over-current conditions.
Specifications
Model: KWS-303WF
Product type: WiFi Adjustable Voltage & Current Protection Relay
Rated current: 63A
Rated voltage: AC 90-300V
Frequency: 50/60Hz
Communication method: WiFi
Protection functions: Over Voltage / Under Voltage / Over Current Protection
Display: Digital Display
Adjustment method: Button Setting / Mobile App Control
Installation method: DIN Rail Mounting
Input terminal: L / N
Output terminal: L / N
Brand: Bentong
Product Details
The KWS-303WF adopts a compact modular design with a front digital display screen, adjustment buttons and WiFi indicator. The clear terminal identification on the product makes wiring and installation easier.
The device supports intelligent remote management through WiFi connection, allowing users to monitor electrical conditions and adjust protection parameters conveniently.
With adjustable protection settings, digital monitoring function and DIN rail installation design, the KWS-303WF provides a reliable and intelligent solution for modern electrical protection systems.




