Modular | Digital voltage monitoring relay | 1-phase | 63A | VP-63A G3R DigiTOP

Technical Specifications:

Voltage: 50–400 V AC (single-phase)
Frequency: 45–65 Hz
Rated load: 63 A
Maximum load: 80 A
Trip time (over-voltage): 0.02 s
Trip time (under-voltage): up to 1 s (0.02 s if < 120 V)
Load turn‑on delay: 5–600 s (default – 15 s)
Voltage limit adjustment:
• Lower: 120–200 V (default 170 V)
• Upper: 210–270 V (default 250 V)
Indicator: Red (G3R version)
Display color: Red
Temperature indicator: Yes (internal sensor)
Thermal protection: Built‑in
Mounting: DIN rail (2-module width)

Functions:

Continuous voltage monitoring using TrueRMS – more accurate measurement even with distorted waveforms

Automatic load disconnection in case of dangerously high or low voltage

Programmable settings – voltage limits and turn‑on delay

Thermal protection against overheating and internal temperature monitoring

Visual indication of operation and voltage status (red LED)

Suitable for refrigerators, air conditioners, boilers, pumps, household systems, etc.

Usage:

Single-family homes, apartments, cottages

Offices, commercial spaces

Integration in electrical panels

Protection for refrigerators, washers, TVs, AC units, pumps, servers

Recommended where frequent grid voltage fluctuations or sudden power switches occur

Advantages (+):

Compact, quick installation on DIN rail

Suitable for all standard single-phase household appliances

Accurate TrueRMS measurement even with distorted voltage

Adjustable turn‑on delay – safely start sensitive devices

Integrated thermal protection ensures longer device life

Visual operation indicator – clear and easy monitoring

Disadvantages (–):

Not designed for three-phase systems

No Wi‑Fi or remote monitoring features

A great choice for anyone looking to protect valuable electrical appliances from dangerous voltage fluctuations. Whether you're a professional installer, engineer, or responsible homeowner, this device ensures reliable protection, longevity, and clarity in operation — with programming options and additional thermal protection not present in earlier models.