D-sub dataline surge protector
Part Number: 6147
  • D-Sub surge protector
  • For RS232, RS485 communication lines
  • 9-pin connector
  • Fast and easy installation
  • Secondary protection

DD9ESD surge protector are designed to protect sensitive equipment linked to datalines equipped with D-sub connectors, as RS232, RS422 and RS485lines. They are equipped with D-sub connectors for fast and easy maintenance. In order to comply with the line configuration, all the wires are transmitted and protected.

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RS232, RS485, 4-20mA
Nominal line voltage
12 Vdc
Max. DC operating voltage
15 V
Max. load current
750 mA
Max. data rate
< 40 Mbps
Max. frequency
> 10 MHz
Insertion loss
< 1 dB
Protection level
Following the test category C3 (IEC61643-21) - Line/Line
18 V
Max. shunt capacitance < 30 pF
Line/Line Nominal discharge current
8/20µs Test x 10 - C2 Category
300 A
Line/Ground Nominal discharge current
8/20µs Test x 10 - C2 Category
300 A
Technology Diode écrêtage
SPD configuration 9 wires
Connection to Network D-Sub 9 pts male/female Input/output
in/out D-Sub connector unit
on cable
Housing material Thermoplastic UL94-V0
Operating temperature -40/+85°C
Protection rating IP20
Outdoor application
Failsafe behavior Short-circuit
Disconnection indicator Transmission interrupt
Remote signaling of disconnection
Pin outs all wires transmitted and protected
See diagram
Standards compliance
IEC 61643-21 / EN 61643-21 / UL497B