LSG® SPD AC power

AC Power Supply SPD Module

  • A class Surge Protective Device for AC Power System.
  • Sensitive electronic equipment
  • Telecom centers
  • Automatic control centers
  • Intelligent buildings
  • Industrial enterprises
  • Medical institutes

Model: TQP/B+C/3+N Dimension Schematic Diagram


  • DIN rail mounting for easy installation
  • Plug connectors for quick and easy connection or rewiring
  • 50kA lightning impulse current Iimp
  • Thermal disconnect device
  • Status indicators visually verify the protection level


Nominal working voltage Un50/60Hz 220/380V, 230/440V
Max. continuous operating voltage Uc320V
Nominal discharge current(8/20μs)In50kA
Lightning impulse current(10/350μs)Iimp50kA
Protection level @20kA , 8/20μs Up2000V
Response time tA25ns
Protection modelL1/L2/L3-N,N-PE


Dimension90 (H)×144 (W)×18(L)mm
Weight per unit500g
Mounting35mm DIN rail
Connecting diameter≥10mm2
IP codeIP20
Working conditionsTemperature: -40 to 80℃,Relative humidity: ≤95%
ApprovalFCC, CE, ROHS

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