EPS T1+2/3+1-320-12.5-FM

Article Nr. : 380701

Technical Data

Operating Manual

Specification Texts

CAD Model
380701_EPS T1+2_3+1-300-12.5-FM_v02.jpg
Four pole pluggable combined lightning and surge arrester, for example for 3-phase TT and TN-S systems. Mechanical status indicator: State of the surge protective device is optically indicated.
  • Combined Arresters Type 1+2 (Class I+II)
  • Test standard: IEC 61643-11 / EN 61643-11
  • High lightning impulse discharge current of 12.5 kA (10/350 µs) per pole
  • Mechanical status indicator: State of the surge protective device is optically indicated.
  • Place of installation: main distributer
  • Mounting on 35 mm DIN rail (EN 60715)
  • Remote changeover contact (FM)
IEC category Type 1 + 2 / class I+II
Nominal voltage ACUN 240 V~
Max. continuous operating voltage AC (50/60 Hz) Uc 320 V~
Nominal discharge current (8/20 µs) L-N/N-PE/L-PENIn 25 / 50 / - kA
Max. discharge current (8/20 µs) L-N/N-PE/L-PENImax 50 / 100 / - kA
Lightning impulse current (10/350 µs) L-N/N-PE/L-PENIimp 12,5 / 50 / - kA
Specific Energy W/R 39 (L-N) / 625 (N-PE) kJ/Ω
ChargeQ 6,25 (L-N) / 25 (N-PE) As
Protection levelUp < 1,5 (MOV)/< 1,5 (GDT) kV
Response timetA 25 (MOV)/100 (GDT) ns
Additional Information
Max. allowed fuse or back-up fuse 250 A gG
Short-circuit withstand capability at max. back-up fuseISCCR 25/50 kAeff
Follow-on current extinguishing capability AC N-PEIfi 100 Aeff
TOV withstand 5sUT 337 V
Temporary overvoltage rating 120 minUT 442 V
Temporary overvoltage rating 200ms N-PEUT 1200 V
Operating temperature rangeTU -40 - +85 °C
Max. conductor cross section 35 mm² stranded/25 mm² flexible
Max. connection torque for terminals 4,5 Nm
Degree of protection (IEC EN 60529) IP 20
Enclosure material / colour Thermoplastic: Extinguishing Degree UL 94 V-0/grey
Mounting on 35 mm DIN rail (DIN EN 60715 )
Dimension (DIN 43880) 4 TE
FM contact / contact type changeover contact
Max. conductor cross section FM 1,5 mm²
Switching capacity FM AC: 250V, 125V:1A / DC: 48V, 24V, 12V: 0,5A
Power supply system 3 phase TNS and TT systems
Dimensions (L x W x H) 80,5 x 90 x 72 mm