PP BCD IT 2P 25/50-440/FM

Article Nr. : 373955

Technical Data

Operating Manual

Specification Texts

CAD Model
373954_PP BCD IT2P 25_50-440_v02.jpg
  • Remote signalling contact: break contact
  • Combined Arresters Class I+II+III (T1+T2+T3)
  • Test standard: IEC 61643-11 / EN 61643-11
  • EAC certification
  • single phase IT systems
IEC category Type 1 + 2 + 3 / class I+II+III
Nominal voltage ACUN 230 / 400 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
Voltage protection level at limp (10/350)Up ≤ 1,0 kV
Response timetA <50 ns
Lightning impulse current (10/350 µs) totalItotal 50 kA
Lightning impulse current (10/350 µs)Iimp 25 kA
Follow-on current extinguishing capability at Uc (50/60 Hz)Ifi 4,0 kA
Additional Information
Short-circuit withstand capability at max. back-up fuse 250 A gLISCCR 25 kAeff
Max. acceptable back-up fuse F2 (spur wiring) 250 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 (DIN EN 60715 )
Switching capacity FM 250 V/2 A
Max. locking torque FM terminals 0,25 Nm
Max. conductor cross section FM 1,5 mm²
Power supply system single phase IT systems
Dimension (DIN 43880) 4 TE