ST2 (SX)


Order number: A04157

BNC connectors 50 ohm

  • surge arrester, shielding connected to protective grounding
  • installation close to protected equipment
  •  for protection of sensitive coaxial inputs of professional receivers

Technical parameters

Parameter name Parameter value
Type of SPD D1,C2,C3
Location of SPD ST 1+2+3
Mounting DIN rail 35 mm
Maximum operating voltage Uc 26.00 V DC
Nominal load current IL 0.700 A
Frequency range f 0,00 - 3000,00 MHz
Impedance Z 50 Ω
Insertion loss 1.50 dB
VSWR typ. (max.) VSWR 1,2 (1,3)
D1 impulse discharge current (10/350 µs) core-PE Iimp 0.50 kA
C2 nominal discharge current (8/20 µs) core-PE In 2.50 kA
Dynamic spark-over voltage at 1kV/µs Udyn 85.00 V
Response time core-PE ta 1 ns
Connection (input - output)
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 EC001625
Customs tariff number 85363010
EAN 8595090541578

Files for download

  • Product dimensions

  • Basic circuit diagram