Project Description



Sub-D dataline surge protector, fine protection for serial ports of computers and control systems against impact of transient overvoltage

  • For RS232, RS422, RS485 communication lines
  • All pins protected
  • Low voltage protection level
  • Fast and easy installation
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SPD according to EN 61643-21 / IEC 61643-21type 3 / class III
Nominal voltage Un12 V
Max. continuous operating d.c. voltage Uc15 V
C1 Nominal discharge current (8/20μs) line-SG (In)0,1 kA
C1 Nominal discharge current (8/20μs) SG-PG (In)0,1 kA
Voltage protection level line-SG for IC1 (Up)< 24 V
Voltage protection level SG-PG for IC1 (Up)< 200 V
Voltage protection level line-SG at 1 kV/μs C3 (Up)< 21 V
Voltage protection level SG-PG at 1 kV/μs C3 (Up)< 130 V
Cut-off frequency (fG)10 MHz
Capacitance line-SG (C)700 pF
Capacitance SG-PG (C)350 pF
Range of operating temperatures (TU)-40/+80°C
Degree of protectionIP 20
For mounting onfemale sub-D9 / male sub-D9
Enclosure materialthermoplastic
Place of installationindoor installation