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Single-pole combined arrester type 1 + 2 for lightning protection equipotential bonding in single-pole or multi-pole TN network systems.
  • Remote signalling contact: break contact
  • Combined Arresters Type 1+2 (Class I+II)
  • Test standard: IEC 61643-11 / EN 61643-11
  • Mounting on 35 mm DIN rail (EN 60715)
  • Degree of protection according to IEC EN 60529: IP 20
  • EAC certification
IEC category Type 1 + 2 / class I+II
Nominal voltage ACUN 230/400 - 240/415 V~
Max. continuous operating voltage AC (50/60 Hz) Uc 350 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 25 kA
Lightning impulse current (10/350 µs) L-N/N-PE/L-PENIimp 25 / - / - kA
Max. impulse discharge current (8/20 µs)Imax 70 kA
Additional Information
Short-circuit withstand capability at max. back-up fuseISCCR 50 kAeff
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 50 mm² stranded/35 mm² flexible
Recommended conductor cross section 25 mm²
Max. connection torque for terminals 4,0 Nm
Enclosure material / colour polycarbonate (halogen-free) UL 94-V0 / yellow
Degree of protection (IEC EN 60529) IP 20
Mounting on 35 mm DIN rail (EN 60715)
Dimension (DIN 43880) 2 TE
Switching capacity FM 250 V/2 A
Max. conductor cross section FM 1,5 mm²
Max. locking torque FM terminals 0,25 Nm

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