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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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