ATO-SVR1000 Series Single Phase Voltage Monitoring Relay

The AC/DC voltage monitoring relay with LCD display is a multifunctional monitoring and protection device. ATO single phase voltage monitoring relay is suitable for undervoltage and overvoltage monitoring of DC 12V, AC/DC 24-48V or AC/DC 110V-240V, adjustable delay time, compact size relay with 1 CO & 1 NC contacts, which can be used in the applications like air compressors, electric motors, pumps, fans, air-conditioning system, blowers, elevators, cranes, refrigeration equipment, laser equipment, industrial control system, etc. ATO as a supplier can also customize the monitoring relay you want.

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Features:

  1. Powered by the measuring circuit.
  2. Compatible with AC and DC supply.
  3. LCD display and keypad afford precise digital setting.
  4. Adjustable overvoltage and undervoltage threshold.
  5. Independent adjustable delay time for overvoltage, undervoltage.
  6. Adjustable reset mode: automatic reset or manual reset.
  7. Monitoring relay with 1 CO + 1 NC contacts.
  8. Fault recording for the last 3 faults.

Specification:

Model ATO-SVR1000/D12 ATO-SVR1000/AD48 ATO-SVR1000/AD220
Measuring Circuit AC/DC circuit (A1+, A2-)
Monitoring Functions Overvoltage, Undervoltage
Rated Voltage DC 12V AC/DC 24-48V 50/60Hz AC/DC 110-240V 50/60Hz
Undervoltage Setting Range DC 9-18V adjustable AC/DC 20-80V adjustable AC/DC 50-300V adjustable
Overvoltage Setting Range DC 9-18V adjustable AC/DC 20-80V adjustable AC/DC 50-300V adjustable
Voltage Hysteresis 0.1-6.0V adjustable 0.1-30.0V adjustable 1.0-90.0V adjustable
Delay Time for Overvoltage & Undervoltage 0.1-999s adjustable
Reset Mode Manual/Automatic/Automatic with power-on delay
Delay Time for Reset 0.1-999s adjustable
Indicator LCD indicating voltage, operation, and fault status
Fault Records The last 3 faults
Output Contacts 1 CO + 1 NC
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
Mounting 35mm DIN rail
Weight 130g
Dimensions (H*W*D) 80*43*54mm
Certification CE

Wire Diagram:

Single phase voltage monitoring relay wiring diagram

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