Surge Arrester ES450XP
2-Electrode-Arrester Ordering code: T. B. D.
Preliminary data
AB E / AB PM Issue 01, 01.04.2003
Page 1 of 2
DC spark-over voltage 1) 2)
400 … 500 V
Impulse spark-over voltage
at 100 V/µs - for 99 % of measured values
- typical values of distribution
at 1 kV/µs - for 99 % of measured values
- typical values of distribution
< 700
< 600
< 800
< 650
V
V
V
V
Nominal impulse discharge current (wave 8/20 µs)
Single impulse discharge current (wave 8/20 µs) 2.5
5 kA
kA
Insulation resistance at 100 Vdc > 1 GΩ
Capacitance at 1 MHz < 1 pF
Arc voltage at 1 A
Glow to arc transition current
Glow voltage
~ 15
< 0.5
~ 140
V
A
V
Weight ~ 0.3 g
Operation and storage temperature -40 ... +90 °C
Climatic category (IEC 60068-1) 40/ 90/ 21
Marking, red
ES 450 YY O
ES - Series
450 - Nominal voltage
YY - Year of production
O - Non radioactive
1) At delivery AQL 0.65 level II, DIN ISO 2859
2) In ionized mode
Terms in accordance with ITU-T Rec. K.12 and DIN 57845/VDE0845