ST1 (FX)


Order number: A04212

F Connectors 75 Ω

  • lightning current arrester with grounded shielding
  • installation at the boundary of LPZ 0 and LPZ 1 zones at the line entry into building
  • for protection of coaxial lines of TV/SAT receivers and CCTV systems, suitable as the 1st level of surge protection in coordination with the SX type
  • suitable for DC power distribution
  • lower Up (core-PE)

Technical parameters

Parameter name Parameter value
Type of SPD D1,C2
Location of SPD ST 1
Mounting DIN rail 35 mm
Maximum operating voltage Uc 70.00 V DC
Nominal load current IL 4.000 A
Frequency range f 0,00 - 2300,00 MHz
Impedance Z 75 Ω
Insertion loss 0.60 dB
VSWR typ. (max.) VSWR 1,2 (1,5)
D1 impulse discharge current (10/350 µs) core-PE Iimp 2.50 kA
C2 nominal discharge current (8/20 µs) core-PE In 10.00 kA
C3 voltage protection level mode core-PE at 1 kV/µs Up 1 200 V
Response time core-PE ta 100 ns
Connection (input - output) F 75
Degree of protection IP 20
Range of ambient temperatures (min/max) -40 / 80 °C
Humidity 5 - 95 %
According to standard EN 61643-21+A1,A2:2013, IEC 61643-21+A1,A2:2012
ETIM Class EC001466
Customs tariff number 85363010
EAN 8595090542124

Files for download

  • Product dimensions

  • Basic circuit diagram