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CJ-T2-40 385V 20-40ka 3p+N Lightning Surge Protective Device SPD

Short Description:

Producet Description

CJ-T2-40 series surge protective device SPD is suitable for TN-S,TN-C-S, TT,IT etc,power supply system of AC 50/60Hz,≤380V,installed on the joint of LPZ1 or LPZ2 and LPZ3,it’s designed according to lEC61643-1,GB18802.1,it adopts 35mm standard rail,there is a failure release mounted on the module of surge protective device. When the SPD fails in break down for over-heat and over-current,the failure release will help electric device separate from the power system and give the indication signal,green means normal, red means abnormal,it is also could be replaced for the module when has operating voltage.

Application Scope and Installation position
CJ-T2-40 series surge protective device applied in C grade lightning-proof,installed on the joint of LPZ1 or LPZ2 and LPZ3,usually installed in household distrbution boards,computer eauipment information equipoment,electronic equipment and in the socket box in front of control equipment or near the control equipment.


Product Detail

Product Tags

Technical Data

Model CJ-T2-40 N-PE
Rated Operating Voltage Un(V~) 110V 220V 380V 220V 380V 220V 380V
Maximum Continuous Operating Voltage Uc(V~) 140V 275V 320V 385V 420V 440V 275V 320V 385V 420V 440V 255V
Voltage Protection Level Up(V~)kV ≤0.8 ≤1.2 ≤1.5 ≤1.8 ≤2.0 ≤2.2 ≤1.0 ≤1.4 ≤1.5 ≤1.8 ≤2.0 ≤1.0/≤1.8
Nominal Discharge Current In(8/20μs)kA 20 15 5/12.5/25
Maximum Discharge Current lmax(8/20μs)kA 40 30
Response Time ns <25 100ns
Test Standard GB18802/IEC61643-1
The Cross Section of L/N Line(mm²) 10,16 10
The Cross Section of PE Line(mm²) 10,25 16
Fuse or Switch(A) 32A 25A,32A
Operating Environment ºC -40ºC~+85ºC
Relative Humidity(25ºC) ≤95%
Installation Standard Rail 35mm
Material of Outer Covering Fiber glass reinforced plastic

surge protective device SPD (1)


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