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CAT. N° 4 123 19

Surge protective device for telephone/ADSL line - terminal block

  • Pack (number of units) 1
  • Volume (dm3) 0.08
  • Weight (g) 42.00

Substitution references

No substitute reference

Product characteristics
SPDs for telephone & communication lines
  • Overvoltage protection of equipment such as telephones, modems, video door entry phones, etc.
  • Recommended to provide complete overvoltage protection of the installation when low voltage SPDs are present on power lines(TS/IEC 61643-12)
  • X-DSL compatible
  • SPDs status at end of life: loss of the communication
  • Compliant with EN/IEC 61643-21 standards
SPD for telephone/ADSL lines - terminal blocks
  • Type C21 for installations without lightning protection system (LPS)
  • Connection: terminal blocks
  • Wall-mounting (screws not supplied)
  • DIN rail mounting possible with adaptor Cat.Nos 0 364 69 or 0 739 79 (not supplied)
  • Dimensions: 63 x 27 x 31 mm ( Height x Width x Depth )
  • In/Imax : 5/10 kA
  • Max. voltage (Uc) : 180 V
  • Level of protection (Up) : 280 V
  • Number of modules : -
General characteristics
SPDs for communication lines (telephone, X-DSL)


The information given in this e-catalogue (characteristics and dimensions) may be amended, and therefore does not represent an undertaking on our part. The e-catalogue is reserved for professionals only. You are also reminded that all products must be installed by a qualified professional in accordance with the installation rules.