Liuyi Electric Overvoltage And Undervoltage Protector Supplier

LiuYi Overvoltage And Undervoltage Protector is designed for stable power supply control, integrating dual protection and monitoring for distribution systems.

WiFi two-way photovoltaic 100A 4-pole 6kA intelligent circuit breaker

Doodle WiFi two-way photovoltaic 100A 4-pole 6kA interrupting capacity plastic household smart circuit breaker voltage.

220V single-track adjustable overvoltage/undervoltage protector

220V single-track adjustable overvoltage/undervoltage protector 63A automatic voltage regulator 6kVA digital display AC current

63A 1P+N WiFi Smart Switch Mini Circuit Breaker (MCB)

63A 1P+N WiFi smart switch miniature circuit breaker (MCB) rail-mounted 220V PA66 6kA energy meter

100A 3 Phase WiFi Voltage Protector&Smart Energy Meter| Tuya

  • Our 3 Phase WiFi Voltage Protector has advanced 13 in 1 protection

Advanced Bidirectional 3 Phase WiFi voltage protector 100-1000A class 1.0 LCD energy meter

LIUYI Bidirectional 3 Phase WiFi voltage protector 100-1000A class 1.0 LCD energy meter WiFi DIN

63A Tuya WiFi timer energy power meter smart life smart leakage overvoltage protector plastic relay circuit breaker.

63A Tuya WiFi timer energy power meter smart life smart leakage overvoltage protector plastic relay

Tuya WiFi Smart Quad-Pole Plastic Circuit Breaker Two-Way Power Meter

380V 100A Tuya WiFi Smart Four-Pole Plastic Circuit Breaker Bidirectional Power Meter Voltage Protector Relay

Wifi remote control two-way photovoltaic 100A intelligent circuit breaker

Doodle Wifi Remote Control Bidirectional Solar PV 100A Intelligent Circuit Breaker Plastic Household Voltage and

WIFI intelligent switch circuit breaker – Miniature 2-level 63A protector

Intelligent circuit breaker with WIFI, mini type, 2-level, 6kA, industrial and household use, 63A protection

100A Single Phase WiFi Photovoltaic Smart Meter

Tuya WiFi enabled 100A 380V intelligent three-phase four-wire circuit breaker with overvoltage, leakage, and overcurrent

Guideway Three Phase WIFI Reclosing Protector

DIN rail three-phase WiFi-enabled reclosing protector with automatic reset, perfect for industrial and commercial electrical

WIFI Intelligent Reclosing Protector

The Wi-Fi Smart Recloser allows you to easily access and monitor real-time data anytime, anywhere,

Three Phase WiFi reclosing

  • Tuya WIFI intelligent control
  • Various protections stable performance
  • Compact size easy to install
  • Mobile

1-63A WIFI Intelligent Reclosing Protector

  • Tuya WIFI intelligent control
  • Various protections stable performance
  • Mobile APP real-time data collection
  • Compact

Guide Rail 1P Intelligent Reclosing Protector

Smart 1P DIN rail reclosing protector with automatic power restoration and full-range voltage protection.

Guideway Three Phase Four Wire WIFI Intelligent Reclosing Protector

Smart four-wire three-phase reclosing protector with WiFi control and auto recovery, designed for enhanced power

Liuyi Electric Overvoltage And Undervoltage Protector Manufacturer

LiuYi focuses on standardized manufacture and stable supply of Overvoltage And Undervoltage Protector for panel builders and equipment integrators.
  • Dual overvoltage and undervoltage protection logic for electrical equipment safety
  • Compatibility with varying regional grid voltage ranges and load conditions
  • Integrated real-time voltage (/current) display for operational status indication
  • DIN rail mounting structure aligned with standard distribution cabinets
Guide rail AC intelligent digital display meter (5)
Liuyi Electric Smart Meter Factory

Our Advantages

Liuyi Electric supplies high-quality electrical protection and intelligent control products, including smart meters, over/under voltage protectors, intelligent reclosers, and related accessories. These products are widely used in residential, commercial, and industrial applications.
Current

Supports 5-100A Current

Our products have excellent high current carrying capacity and can operate stably for a long time under high load conditions.

Flame retardant

UL94 Flame Retardant Materials

Made of flame-retardant materials, it ensures that electrical appliances are not easily ignited in the event of a short circuit or overload, thus preventing the spread of fire.

Data accuracy

Accurate Power Data in Real Time

Our products have built-in high-precision sensors that enable real-time energy monitoring, thus achieving smarter power management.

What is Overvoltage And Undervoltage Protector?

Overvoltage And Undervoltage Protector is an electrical protection device designed to monitor line voltage and disconnect circuits when abnormal voltage conditions occur.

How does Overvoltage And Undervoltage Protector work?

Overvoltage And Undervoltage Protector continuously measures input voltage and triggers a disconnection mechanism when voltage exceeds predefined overvoltage or undervoltage limits.

Which applications require Overvoltage And Undervoltage Protector?

Overvoltage And Undervoltage Protector is suitable for distribution panels, industrial equipment power inputs, and systems sensitive to voltage fluctuations.

How is Overvoltage And Undervoltage Protector installed?

Overvoltage And Undervoltage Protector is installed on standard DIN rails within distribution cabinets, allowing integration without structural modification.

How should Overvoltage And Undervoltage Protector be selected?

Selection of Overvoltage And Undervoltage Protector should be based on system voltage level, load characteristics, and regional grid conditions to ensure proper protection thresholds.