WTH-40/C Surge Protective Device
Standards compliance:
UL1449 3rd Edition (USA): Type4, Type2 Location
IEC61643-1 (Intl): Class II
Location of use: Branch sub-distribution boards
Protection modes: (＋/－)-PE
Protective element: MOV
Housing: Modular design
Max. continuous operating voltage(AC)Uc:75...690V
Nominal discharge current(8/20) In:20kA
Max. discharge current(8/20) Imax:40kA
Voltage protection level Up(Uc:385V):<1.8kV
Residual voltage at 5kA(8/20) Ures(Uc:385V):<1.2kV
WTH-40/C/4P
WTH-40/C/R/4P
WTH-40/C/3P
Max. continuous operating voltage(AC)Uc:75...880V
Nominal discharge current(8/20) In:20kA
Max. discharge current(8/20) Imax:40kA
Voltage protection level Up(Uc:385V):<1.8kV
Residual voltage at 5kA(8/20) Ures(Uc:385V):<1.2kV
WTH-40/C/3P
WTH-40/C/R/3P
WTH-40/C/2P
Max. continuous operating voltage(AC)Uc:75...690V
Nominal discharge current(8/20) In:20kA
Max. discharge current(8/20) Imax:40kA
Voltage protection level Up(Uc:385V):<1.8kV
Residual voltage at 5kA(8/20) Ures(Uc:385V):<1.2kV
WTH-40/C/2P
WTH-40/C/R/2P
WTH-40/C/3P+NPE
Max. continuous operating voltage(AC)Uc:75...690V
Nominal discharge current(8/20) In:20kA
Max. discharge current(8/20) Imax:40kA
Voltage protection level Up(Uc:385V):<1.8kV
Residual voltage at 5kA(8/20) Ures(Uc:385V):<1.2kV
WTH-40/C/3P+NPE
WTH-40/C/R/3P+NPE
WTH-40/C/1P+NPE
Max. continuous operating voltage(AC)Uc:75...690V
Nominal discharge current(8/20) In:20kA
Max. discharge current(8/20) Imax:40kA
Voltage protection level Up(Uc:385V):<1.8kV
Residual voltage at 5kA(8/20) Ures(Uc:385V):<1.2kV
WTH-40/C/1P+NPE
WTH-40/C/R/1P+NPE
WTH-40/C/1P
Max. continuous operating voltage(AC)Uc:75...880V
Nominal discharge current(8/20) In:20kA
Max. discharge current(8/20) Imax:40kA
Voltage protection level Up(Uc:385V):<1.8kV
Residual voltage at 5kA(8/20) Ures(Uc:385V):<1.2kV
WTH-40/C/1P
WTH-40/C/R/1P
WTH-65/G/1P-255 (NPE, N-PE)
Max. continuous operating voltage(AC)Uc:255
Nominal discharge current(8/20) In:25kA
Max. discharge current(8/20) Imax:65kA
Voltage protection level Up:<1.0kV
Protective element:GDT
WTH-65/G/1P-255