2025 Solar System Protection Device

Voltage & Current Protector

Function Setting

  • 220 – Display voltage
  • Ot – Power-on delay time (1-300s)
  • UP – Over-voltage protection value (230-300V / OFF)
  • Lo – Under-voltage protection value (210-140V / OFF)
  • Ut – Voltage protection action time (0.1-30s)
  • Pc – Over-current protection value (1-40A / 63A)
  • Ct – Over-current protection action time (0.1-30s)
  • CC – Continuous overcurrent protection times (A01-A20 / OFF)
  • At – Recovery delay time (1-600s)

Technical Data

ParameterValue
Rated supply voltageAC 220V
Operation voltage rangeAC 80V – 400V (single phase)
Rated frequency50/60Hz
Electric current setting range1-40A / 63A
Overvoltage setting range230-300V
Undervoltage setting range210-140V
Rated current40A / 63A
Trip delay for overvoltage/undervoltage0.5s
Reset/start delay1-600s
Voltage measurement accuracy±2%
Protection degreeIP20
Operating temperature-50°C to 55°C
Humidity≤50% at 40°C

Default Settings

ParameterSetting RangeFactory Default
Power-on delay time1-300s5s
Over-voltage protection230-300V280V
Under-voltage protection210-140V160V
Voltage protection action time0.1-30s0.5s
Over-current protection1-40A / 63A40/63A
Over-current action time0.1-30s1s
Continuous overcurrent protection timesA01-A20 / OFFOFF
Recovery delay time1-600s5s
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