373849_PP BCD-Tr_25kA-LED_FM_v02.jpg
Single-pole modular all-purpose combined arrester for the protection of low-voltage consumers’ installations in industry, business and residential areas against transient surges caused by switching actions or lightning.
  • Combined Arresters Class I+II+III (T1+T2+T3)
  • No blow-out vents, thus, not requiring any safety clearance to other installations
  • Very low voltage protection level
  • High insulation resistance Risol: ? 10 G?
  • Self-extinguishing and high quenching capacity of follow-on (short circuit) currents
  • Mounting on 35 mm DIN rail (EN 60715)
  • Not leackage current free
  • EAC certification
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 255 V~
Insulation resistanceRisol >10 GΩ
Protection level at 100% lightn. imp. sparkover voltage (1.2/50µs)Up ≤ 1 kV
Protection levelUp ≤ 1,0 kV
Response time at 1 kV/μstA 50 ns
Lightning impulse current (10/350 µs)Iimp 25 kA
Max. impulse discharge current (8/20 µs)Imax 80 kA
Follow-on current extinguishing capability at Uc (50/60 Hz)Ifi 17,5 kA
Additional Information
Short-circuit withstand capability at max. back-up fuseISCCR 50 kAeff
Max. acceptable back-up fuse F2 (spur wiring) 250 A gG
Max. acceptable back-up fuse F1 (serial wiring) 125 A gG
Max. conductor cross section 50 mm² stranded/35 mm² flexible
Recommended conductor cross section 25 mm²
Max. connection torque for terminals 4,0 Nm
Operating temperature rangeTU -40 - +80 °C
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)
FM contact / contact type break contact
Switching capacity FM 250 V/ 0,5 A
Max. conductor cross section FM 1,5 mm²
Power supply system between L and N
Dimension (DIN 43880) 2 TE