Modular | digital voltage and current control | protection | phase sequence imbalance relay | 3P | 100A | 230V | DIN

Technical Specifications

Power supply voltage: AC/DC 220 V

Rated current: 100 A

Installation: 35 mm DIN rail

Display: 8-digit LED display

Protection functions: overvoltage, undervoltage, overcurrent, phase loss protection

Overvoltage adjustment range: 230–300 V (default 270 V)

Undervoltage adjustment range: 140–240 V (default 170 V)

Overcurrent adjustment range: 1–100 A (default 30 A)

Reset / delay time: 1–500 s (default 30 s)

Additional functions: automatic reset, one-button switching, built-in power meter

Enclosure: Fire-resistant

Functions

Automatic power recovery – the system resumes operation after a fault is cleared.

Overvoltage and undervoltage control – protects equipment from improper voltage.

Overcurrent and phase loss protection – ensures equipment safety.

Adjustable limits – allows precise configuration of voltage and current parameters.

8-digit display – enables accurate monitoring of network status.

Applications

For household users: protects appliances, heating systems, air conditioners, or solar systems from power fluctuations.

For engineers: allows adjustment and precise monitoring of voltage and current limits, ensuring proper operation.

For electricians: easy DIN rail mounting and clear LED indication enable quick integration into any distribution box.

For industry and commerce: suitable for production lines, warehouses, office buildings, and shopping centers where uninterrupted power supply is critical.

Pros

Complete electrical network protection (voltage, current, phase)

Automatic reset after fault

Adjustable parameters – customizable to needs

Clear LED display with real-time data

Easy DIN rail installation

Fire-resistant enclosure – enhanced safety

Cons

Higher price than simple mechanical protections, but justified by functionality