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Surge Arrester – Type 2+3


Type 2 (or 3) monobloc surge arrester for use in single-phase TT and TN systems.

  • Cost effective single phase surge protector
  • Type 2 (or 3) monobloc
  • In: 5 kA, Imax: 10 kA, Uoc: 10 kV
  • Fallsafe operation: AC disconnection or SPD disconnection
Basic circuit diagram

Technical data

SPD according to EN 61643-11 / IEC 61643-11type 2+3 / class II+III
Nominal a.c. voltage Un230 V AC (48/62 Hz)
Max. continuous operating a.c. voltage Uc275 V AC (48/62 Hz)
Nominal discharge current (8/20μs) In5 kA
Maximum discharge current (8/20μs) Imax10 kA
Withstand on combination waveform –  Class III test Uoc10 kV
Voltage Protection level UP1,5 kV
Max. load current IL16 A
Short-circuit current rating ISCCR10 kArms
Temporary overvoltage (TOV) [L-N] (UT) – Characteristic335 V / 5 sec. – withstand
Temporary overvoltage (TOV) [L-N] (UT) – Characteristic440 V / 120 min. – safe failure
Range of operating temperatures (TU)       -40/+80°C
Fault indicationred light on
Cross-sectional area (min.)1.5 mm2 solid /flexible
Cross-sectional area (max.)35 mm2 stranded / 25 mm2 flexible
For mounting on35 mm DIN rail acc. to EN 60715
Enclosure materialthermoplastic
Place of installationindoor installation
Degree of protectionIP 20
Capacity1 module(s), DIN 43880
Type of remote signalling contact
a.c. switching capacity
d.c. switching capacity
Cross-sectional area for remote signalling terminals