Welrok D2-50 red Voltage Relay

Welrok D2-50 red Voltage Relay — a protective device for electrical equipment against voltage surges and deviations in the power supply network.

Primary purpose: Monitoring and stabilization of supply voltage, automatic shutdown of consumers when network parameters exceed permissible limits.

Characteristics of the D2-50 series:

• Model: D2-50 (red version — Red)
• Adjustable triggering thresholds for upper and lower voltage
• Electromechanical design with reliable contactor
• Compact installation on DIN rail
• Range of monitored voltage: standard 160–280 V
• Operating time — from units to tens of seconds (adjustable)
• Working load current up to 50 A (as designated in the model name)

Application:

• Protection of heating boilers
• Protection of pumps and compressors
• Protection of refrigeration equipment
• Protection of machine tools and industrial equipment
• Water supply systems

Advantages:

• Simple adjustment for specific network conditions
• Reliable mechanical construction
• Low cost of ownership
• Compatibility with various types of loads