Modular voltage control relay | digital | overvoltage and undervoltage protection | 80A | 230V AC | DIN | voltmeter | ammeter | kWh measurement

Technical Specifications

Product type: digital network protection relay with measurement functions
Phases: 1 phase
Polarity: 2P
Rated voltage: 110–240V AC
Output voltage: 230V
Rated current: 80A
Protection functions: overvoltage protection, undervoltage protection, current limiting protection
Measurement functions: voltage measurement (V), current measurement (A), energy metering (kWh)
Energy measurement range: 0–9999.9 kWh
Display: digital LED display
Mounting type: DIN rail
Housing type: modular
Application areas: residential electrical installations, industry, energy sector, IoT systems, telecommunications
Country of origin: China

Functions

Overvoltage protection – automatically disconnects the load when the network voltage rises to a dangerous level
Undervoltage protection – protects equipment from excessively low voltage that may damage electrical appliances or motors
Current limiting function – switches off the circuit when the set current limit is exceeded
Automatic network monitoring – continuously analyzes electrical parameters in real time
Voltmeter function – displays the current network voltage on the screen
Ammeter function – allows monitoring of the load current
kWh energy metering – calculates consumed electrical energy
Automatic recovery – can automatically restore power when network parameters return to normal
DIN mounting – quick installation in standard electrical distribution boards
Compact modular housing – does not take up much space in the electrical panel

Usage

For residential users: To protect household appliances from network fluctuations and monitor electricity consumption
For electricians: Quick DIN mounting and multiple functions in one device help reduce the need for additional modules
For engineers and automation specialists: Convenient solution for network monitoring, load protection, and electrical parameter control
For server room and IT system administrators: Helps protect sensitive equipment from voltage fluctuations

Advantages

Protection against overvoltage and undervoltage
Current control and automatic disconnection
Voltmeter and ammeter functions
Electrical energy metering (kWh)
Compact DIN mounting
Suitable for homes and industry
Clear digital display
Convenient real-time network monitoring
Can reduce the risk of equipment failure

Disadvantages

Designed only for single-phase networks
Requires professional installation
Not suitable for very high-power three-phase loads
Limited local configuration compared to high-end industrial analyzers

Frequently Asked Questions

Can this relay protect household appliances from voltage spikes?

Yes, the device automatically disconnects the power supply when the voltage rises or drops to dangerous levels.

Can the protection limits be adjusted?

Yes, the desired voltage and current limits can be configured.

Does this relay display electricity consumption?

Yes, the display shows consumed electrical energy in kWh units.

Is it suitable for installation in a standard electrical panel?

Yes, the device is mounted on a standard DIN rail.