Project Description



The MLPC is a compact solution surge protectors to be installed in small spaces. The device is available in spring terminal connection and wiring (input / output opposite).

In cases of extreme aggression, MLPC will be in a state of safe end of life: the indication of failure (disconnection) of the surge protector is performed by the extinction of an indicator and switching off the AC (extinction street luminaire) inform the user of the need for maintenance.

Surge protector for use in single-phase TT and TN systems

  • Plate mounting, very compact
  • Spring terminal connection
  • Status indicator
  • End of life AC Disconnection
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SPD according to EN 61643-11 / IEC 61643-11type 2 / class II
Nominal a.c. voltage Un230-275 V AC (50/60 Hz)
Max. AC operating voltage Uc320 V AC (50/60 Hz)
Nominal discharge current (8/20μs) In5 kA
Maximum discharge current (8/20μs) Imax10 kA
Max. load current IL5 A
Residual current – Leakage current at Uc [IPE]None
Withstand on  Combination waveform – Class III test Uoc10 kV / 5 kA
Protection level CM/DM @ In (8/20μs) and @ 6kV (1.2/50μs) UP1,5 / 1,8 kV
Admissible short- circuit current ISCCR10 kArms
Temporatry Over Voltage (TOV) Charasteristics – 5 sec. UT335 Vac withstand
Temporatry Over Voltage (TOV) Charasteristics – 120 min. UT440 Vac disconnection
Operating temperature-40/+80°C
Failsafe behaviorLED green OFF and AC network cut-off
Connection to Network2 spring terminal opposite side in/out – wire 2.5 mm2 max.
For mounting onOn plate
Disconnection indicatorDisconnection and AC line cut-off
Remote signaling of disconnectionnone
Housing materialThermoplastic
Place of installationindoor installation
Degree of protectionIP20