ATO-DVRD Series DC Voltage Monitoring Relay

DC voltage monitoring relay is applied in the DC circuit for monitoring the Undervoltage and overvoltage of the DC cabinet, battery, electric control system, etc. ATO company provides DC voltage monitoring relay with 2 C/O contacts (2 Form C or DPDT) to protect the equipment from undervoltage and overvoltage in DC circuit 12V, 24V, 36V or 48V, adjustable trip delay time, LED indicator for working state. DIN rail mounting, compact design, high precision and factory price. In addition to wholesale, ATO as a vendor can also customize the monitoring relay you want.

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Features:

  1. Compact size in DIN rail mounting.
  2. DC circuit monitoring of overvoltage and undervoltage.
  3. Adjustable overvoltage and undervoltage threshold.
  4. Adjustable trip delay time.
  5. Powered by the measuring circuit.
  6. Monitoring relay with 2 C/O contacts. (2 Form C or DPDT)
  7. 2 LEDs for status indication.

Specification:

Model ATO-DVRD-12 ATO-DVRD-24 ATO-DVRD-36 ATO-DVRD-48
Measuring Circuit DC circuit
Monitoring Functions Overvoltage, Undervoltage
Rated Voltage DC 12V DC 24V DC 36V DC 48V
Voltage Setting Range Undervoltage 10-14V 20-28V 30-42V 40-56V
Overvoltage 13-17V 26-34V 39-51V 52-68V
Trip Delay Time 0.1-15s adjustable
Voltage Hysteresis 3-5% fixed
Indicators LED indicators for Normal, Trip
Output Contacts 2 C/O
Contact Capacity 6A, 250V AC (resistive load)
Degree of Protection IP 20
Working Conditions Operating Temperature -25℃~65℃
Humidity ≤85%RH, non-condensing
Mechanical Durability 1,000,000 cycles
Dielectric Strength ＞2kVAC 1min
Power Consumption ≤2W
Mounting 35mm DIN rail
Weight 130g
Dimensions (H*W*D) 79*23*79mm
Certification CE

Wiring Diagram:

DC voltage monitor relay wiring diagram

Dimension: (Unit: mm)

DC voltage monitor relay dimension

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