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The arresters can be installed at the transition 0A to 1 according to the lightning protection zones concept. Combined four-pole arrester (SPD type 1+ 2 / class I+II) for 3-phase TN-S systems.
  • Combined Arresters Type 1+2 (Class I+II)
  • Test standard: IEC 61643-11 / EN 61643-11
  • No leakage currents, thus, allowing installation upstream of power meters
  • Degree of protection according to IEC EN 60529: IP 20
  • Mounting on 35 mm DIN rail (EN 60715)
  • All-in-one protection unit, ready for connection
  • EAC certification
  • Inflammability class according to UL 94 V0
  • Remote signalling contact: break contact
  • Switching capacity FM: 205 V /2 A
  • Max. conductor cross section FM: 1.5 mm²
IEC category Type 1 + 2 / class I+II
Nominal voltage ACUN 230/400 V~
Max. continuous operating voltage AC (50/60 Hz) Uc 255 V~
Insulation resistanceRisol >10 GΩ
Protection level at 100% lightn. imp. sparkover voltage (1.2/50µs)Up ≤ 2,5 kV
Protection levelUp ≤ 2.5 kV
Response timetA <50 ns
Lightning impulse current (10/350 µs) totalItotal 100 kA
Lightning impulse current (10/350 µs) L-N/N-PE/L-PENIimp 60 / 60 / - kA
Short-circuit withstand capability at max. back-up fuseISCCR 50 kAeff
Additional Information
Max. acceptable back-up fuse F2 (spur wiring) 160 A gG
Max. acceptable back-up fuse F1 (serial wiring) 125 A gG
Operating temperature rangeTU -40 - +80 °C
Max. conductor cross section stranded 50/fine stranded 35 mm²
Recommended conductor cross section 25 mm²
Max. connection torque for terminals 4,0 Nm
Enclosure material / colour polycarbonate (halogen-free) UL 94-V0 / yellow
FM contact / contact type break contact
Switching capacity FM 250 V/2 A
Max. conductor cross section FM 1,5 mm²
Max. locking torque FM terminals 0,25 Nm
Power supply system 3 phase TNS systems
Dimension (DIN 43880) 8 TE

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