China Surge Arrester Suppliers New Electrical Device Surge Voltage Protector

Surge Protective Device:
AC T1T2 B+C Type 275/385v limp 7kA ln 20/50kA 1P+NPE
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China Surge Arrester Suppliers New Electrical Device Surge Voltage Protector
surge voltage protector
electrical surge protector
surge arrester
surge voltage protector, electrical surge protector
electrical surge protector, surge arrester
  • 10/350μs,8/20μs sparkgap
  • Single-pole lightning current arrester, pluggable
  • Adopt hermetical GDT trchnology, high follow current
  • extinguishing capability
  • Extremely low voltage protection level
  • Double terminals for parallel or series(V-shape)
  • connection
  • Multifuntional connection for conductors and busbars
  • Green window will change to red when fault occurs,
  • also provide remote alarmterminal at the same time
  • For using high-performance MOV and maximum
  • will up to 10/350 7kA
Type WR-T1T2-AC / 1+NPE
Rated voltage (max.continuous a.c.voltage) [ Uc ] 275V or 385V
Lightning impulse current (10/350) [ lImp ]  7kA
Nominal discharge current (8/20) [ ln ] 20kA
Maximum discharge current [ Imax ] 50kA
Voltage protection level [ Up ] ≤1.5kV
Follow current extinguishing capability at UC  [ If ]  32A fuse will not be triggered at 2kArms 255V
Response time [ tA ] ≤100ms
Max.backup fuse(L) 200A gL/gG
Max.backup fuse(L-L') 125A gL/gG
TOV voltage 335V/5sec
Operating temperature range (parallel wiring) [ Tup ] -40℃...+80℃
Operating temperature range (through wiring) [ Tus ] -40℃...+60℃
Cross-sectional area 35mm² solid / 50mm² flexible
Mounting on 35mm DIN rail
Enclosure material Purple (module)/light gray (base) thermoplastic,UL94-V0
Dimension 2 mods
Test standards IEC 61643-1; GB 18802.1; YD/T 1235.1
Certification CE  ROHS  ISO9001  CQC  TUV
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 uint 2pc(s)
Weight 203g

Circuit diagram of new type electrical equipment surge protector

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