Technical data
Protection type EN / IEC 62561-3 N
DC sparkover voltage at 100V/s 100 V ± 20%
AC sparkover voltage at 50Hz 70 V ± 20%
Typical impulse sparkover voltage at 1kV/μs 650V
Max impulse sparkover voltage at 1kV/μs 950V
Lightning current discharge 10/350μs, Iimp 3x75 kA +, (Class N)
DC follow current after the Iimp 150 A / 0,5 s (Not for Ex use)
Surge current discharge 8/20μs 10x100 kA
High energy surge current discharge 10/45μs 20x 60 kA
AC current discharge 50Hz, t=1s 5x100 Arms
AC current discharge 50Hz, t=0,5s 1x200 Arms
AC current discharge 50Hz, t=0,25s 1x4000 Arms
Follow current extinguish capability At 70 V < 20 Arms
Insulation resistance at 100V DC 1 GΩ
Capacitance at 1kHz 20 pF
Dimensions (Diameter / length) 50 x 155 mm
Mounding connections M10 Thread
Tightening torque 17 Nm
Protection level of housing ΙΡ67
Operating temperature -20 oC ÷ +80 oC
Relative humidity 10% ÷ 95%
Housing material Metal SS, Ceramic, EPOXY
ATEX protection class II 2 G Ex mb IIC T4 Gb
End of life failure mode Short circuit in fail safe mode
Installation only by qualified electrician IEC 60417–6182
ELEMKO management systems ISO 9001, ISO 14001, ISO 45001
