373984_PP BCD IT-NO 25_75_v03.jpg
Applicable at the boundaries LPZ 0A - 1 and higher. Multi-pole SPD type 1+2+3 for 3-phase IT systems.
  • Remote signalling contact: break contact
  • Combined Arresters Class I+II+III (T1+T2+T3)
  • Test standard: IEC 61643-11 / EN 61643-11
  • High insulation resistance Risol: ? 10 G?
  • Applicable at the boundaries LPZ 0A - 1 and higher.
  • Preotection level ? 1.0 kV
  • EAC certification
IEC category Type 1 + 2 + 3 / class I+II+III
Nominal voltage ACUN 230 V~
Max. continuous operating voltage AC (50/60 Hz) Uc 440 V~
Insulation resistanceRisol >10 GΩ
Protection level at 100% lightn. imp. sparkover voltage (1.2/50µs)Up ≤ 1,0 kV
Protection levelUp ≤ 1,0 kV
Response timetA <50 ns
Lightning impulse current (10/350 µs)Iimp 25 (3x L-PE) kA
Lightning impulse current (10/350 µs) totalItotal 75 kA
Follow-on current extinguishing capability at Uc (50/60 Hz)Ifi 4,0 (IEC: 3.0) kA
Additional Information
Short-circuit withstand capability at max. back-up fuse 250 A gLISCCR 25 kAeff
Max. acceptable backup fuse (branch wiring) 250 A gG
Max. acceptable backup fuse (V-type through wiring) 125 A gG
Operating temperature rangeTU -40 - +80 °C
Recommended conductor cross section 25 mm²
Enclosure material / colour polycarbonate (halogen-free) UL 94-V0 / yellow
Degree of protection (IEC EN 60529) IP 20
Mounting on 35 mm DIN rail (DIN EN 60715 )
Max. conductor cross section FM 1,5 mm²
Max. switching capacity of remote signal contact 250 / 2 V/A
Power supply system 3 phase IT systems
Dimension (DIN 43880) 6 TE