Modular | digital voltage and current control relay | 1-phase | 40A | 230V | DIN | ETVPS1-40C

Technical Specifications:

Power Supply: 230V AC, 50/60 Hz

Mounting: On DIN rail

Current Load: 1–40A (adjustable, default 40A)

Overvoltage Protection: from 221V to 300V or OFF (default 280V)

Recovery Voltage after Overvoltage: from 220V to 299V (default 250V)

Overvoltage Response Time: 0.1s – 10s (default 0.1s)

Undervoltage Protection: from 219V to 150V or OFF (default 160V)

Recovery Voltage after Undervoltage: from 151V to 220V (default 180V)

Undervoltage Response Time: 0.1s – 10s (default 0.1s)

Overcurrent Protection: 0.1s – 512s (default 5.0s)

Power-On Delay Time: 2–10s (default 2s)

Recovery Delay Time: 2–120s (default 60s)

Power Consumption: <2W

Mechanical Durability: ≥ 100,000 cycles

Protection Type: 2-pole (phase + neutral)

Display: Real-time voltage and current display

Benefits and Advantages:

Device protection against voltage fluctuations: The voltage control relay ensures protection from excessively high or low voltage, safeguarding appliances used at home or in business environments. It is especially beneficial for sensitive residential and commercial systems, such as heating boilers, refrigerators, computer servers, or manufacturing equipment.

Extended service life of devices: Frequent voltage fluctuations can reduce the lifespan of electrical appliances. By regulating voltage surges, this relay enables equipment to operate under stable voltage, which reduces failures and prolongs their service life.

Energy savings: Even if voltage fluctuations do not directly damage appliances, they can increase energy consumption. With stabilized voltage, appliances work more efficiently, use less energy, and operate more effectively.

Reduced repair and maintenance costs: An unbalanced power supply leads to higher repair expenses. Frequent surges cause repeated damage to electrical devices, and repairing them can be costly. The voltage control relay helps avoid such issues and reduces the need for technical maintenance.

Pros:

Reliable protection against under- and overvoltage

Prolongs the lifespan of equipment

Reduces energy consumption

Easy installation and integration into existing electrical systems

Cons:

Initial purchase cost: The relay may seem expensive at first, but it pays off in the long run

Single-phase only: Suitable for single-phase networks only; not recommended for three-phase systems without additional solutions

No Wi-Fi or Bluetooth connectivity for remote monitoring

The digital voltage and current protection relay is a reliable and versatile solution, providing a high level of protection for equipment from power supply disruptions. It is an excellent choice for professionals (electrical engineers, installers) as well as home users who want to ensure the longevity and safety of their appliances.