Surge Protective Device

  • LT-12.5T , T1+T2+T3 SPD, AC power surge protector
  • LT-12.5T , T1+T2+T3 SPD, AC power surge protector

LT-12.5T , T1+T2+T3 SPD, AC power surge protector

The surge protection device belongs to T1+T2+T3 AC power surge protector,which is installed between the power supply network and the equipment to drain,suppress and reduce the overcurrent and overvoltage caused by induced lightning strikes or the power grid system,so as to reduce the karm to the olectrical eguipment

Characteristic

Location of Use:sub-distribution cabinet,JP cabinet etc. 

Network Systems:TN-S,TN-C,TT

Mode  of   Protection:L-PE,N-PE,L-PEN,L-N

Protective  Elements:High  Energy  MOV,Gas  Discharge  tube

Chinese Standard:GB/T 18802.11-2020

IEC  standard:IEC  61643-11:2011

European   standard:EN   61643-11: 2012

Certificates:CE

Technical DataL-NN-PE
Max Continuous Operating Voltage(AC)Uc255V255V255V
Rated Voltage(AC)Un220V220V220V
Maximum impact current(T1)imp7 kA12.5 kA25 kA
Nominal discharge current(T2)In7 kA12.5 kA25 kA
open circuit voltage(T3Uoc20 kV20 kV20 kV
Protection levelUp1.25kV1.25kV1.5kV
Eolow Current Interrupt Rating Ifi300A300A100A
Response TimetA25ns25ns100ns
SPD Special disconnectorRecommendLT-SSD15X
TOVN-PE1200V
Residual current-Leakage current atlpeNONE
Remote communicationWith
Remote contact rated current220V/0.5A
Associated  disconnector
Thermal disconnector    internal

Mechnical characteristics

Connection By screw terminals6-35  mm²
Terminal Screw Torque2.5 Nm
Recommended Cable cross Section≥16mm²
Insert wire length15mm
Mounting DIN rail35mm(EN60715)
Degree of ProtectionIP20
HousingPBT/PA
Flame retardant gradeUL94 V0
Operating temperature-40℃~+70℃
Operating relative humidity5%-95%
Working atmospheric pressure70kPa ~106kPa

Size

Poles1+NPE
Size  (mm)36×83×70.5
PackingInner box
Delivery packagingCarton or Pallet

Dimensional drawing

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