Combinated surge arresters high capacity 1+2
SCARICATORE NHBA 120kA 3P CLASSE 1+2 TN-C FM
NHBA-3FM
SCARICATORE SCHALT NHBA TIPO 1+2 PER CORRENTE DA FULMINE E PER SOVRATENSIONE
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Technical Specifications
Type
1+2
Number of Poles
3
Max continuos voltage uc
280V P-N / 255V N-PE
Net System
TN-C
Lightning impulse current (10/350µs) Iimp
75kA
Nominal discharge impulse current (8/20µs) In
120kA
Max. discharge current (8/20µs) Imax
150kA
Voltage protection level Up
< 1300V at In
Response time tA
<25ns
Short circuit strenght
25kA 50Hz
Working temperature
-40 ... +80 °C
Brand
SCHALT
Megiston