CJ-T1T2-AC 1-4P 20-50ka 275V Power Lightning Arrester Surge Protective Device SPD

For installation at LPZ0B -1 or higher, protecting low voltage devices from surge damages, mainly used in power supply system such as power distribution-room, distribution-cabinet and other important power supply system. Applied in pluggable SPD Class ll(Class C)for various power supply system.Designed according to IEC 61643-1/GB 18802.1.

Products Details

Structure characteristics

  • Standard single chip structure, pluggable.
  • Consist of varistor and thermal disconnection device.
  • High discharge capacity, quick response.
  • Double thermal disconnection devices, provide more relible protection.
  • Multifunctional terminals for connection of conductors and busbars.
  • Green window will change when fauit occurs, also provide remote alarm terminal at the same time.

Technical Data

Type CJ-T1T2-AC
Rated voltage(max.continuous ac.voltage)[ Uc ] 275V or 385V
Nominal discharge current(8/20)[ ln ] 20kA
Maximum discharge current[ lmax ] 40kA
Voltage protection level [ Up ] ≤1.5kV
Response time[tA] ≤25ns
Max.backup fuse 125AgL/gG
Operating temperature range[ Tu ] -40ºC...+80ºC
Cross-sectional area 1.5mm²~25mm² solid/35mm² flexible
Mounting on 35mm DIN rail
Enclosure materia Purple (module)/light gray (base)thermoplastic, UL94-V0
Dimension 1 mod
Test standards IEC 61643-1;GB 18802.1;YD/T 1235.1
Type of remote signalling contact Switching contact
Switching capacity a.c. 250V/0.5A
Switching capacity d.c 250V/0.1A;125V/0.2A;75V/0.5A
Cross-sectional area for remote signalling contact Max.1.5mm² solid/flexible
Packing unit 1pc(s)
Weight 376g
  Surge Protective Device SPD (7)

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