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      Power SPD- C-level Power Surge Arrestor

      HM385-25T1(3P+N) A0620032

      The SPD is mainly used for lightning or other transient overvoltage surge protection oflow-voltage power supply and distribution system and electrical equipment. The product is mainly used for the fir

      • Power SPD: (II - 8/20μs)
      • Signal SPD: (II - 8/20μs)

      The SPD is mainly used for lightning or other transient overvoltage surge protection of
      low-voltage power supply and distribution system and electrical equipment.

      The product is mainly used for the first level lightning protection of a three-phase AC power supply
      system, and the multilayer graphite gap of trigger circuit is used internal.



      ItemSpecification
      Product modelHM385-25T1(3P+N)
      SPD typeClass I
      Nominal operating voltage-Un230~400VAC
      Max. continuous operating
      voltage-Uc
      385VAC
      Response time-ta100ns
      Nominal discharge current-In(8/20μs)25kA(L-N);60kA(N-PE)
      Impulse current-Iimp(10/350μs)25kA(L-N);60kA(N-PE)
      Voltage protection level-Up
      2.5kV(L-N);1.5kV(N-PE)
      Short-circuit current withstand10kArms
      Rated disconnected continuous current value-Ifi1.5kArms(385VAC)/6kArms(275VAC)(L-N)
      Rated disconnected continuous current value-Ifi100kArms(255VAC)(N-PE)
      Transient short time overshortage characteristics-UTOV442V/5sec(L-N);1200V/200ms(N-PE)
      Max backup fuse315A gL/gG
      Size for terminal connection6m~25m (flexiblility)/35m (inflexibility)
      Shell fire retardant gradeUL94 V-0
      IP gradeIP20
      SPD enclosure materialPA 66+30% Glass fiber, PANTONE 426C
      Working Temperature-40~+85
      Store Temperature-40~+85
      Relative Humidity5%~95%(25)
      Height above sea level4000m


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