Combinated surge arresters Type 1+2
SURGE ARRESTER AEG NRLUA 90kA 3P TYPE 1+2 TN-C Fm
NRLUA-3FM
SCARICATORI SERIE NRLUA TIPO 1+2, TENSIONE MASSIMA CONTINUATIVA 280VAC, CORRENTE IMPULSIVA DA FULMINE (10/350us) FINO A 50kA, CORRENTE DI SCARICA NOMINALE (8/20us) FINO A 100kA, AUTOPROTETTO CON PROTEZIONE TERMICA INTERNA
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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
37,5kA
Nominal discharge impulse current (8/20µs) In
90kA
Max. discharge current (8/20µs) Imax
150kA
Voltage protection level Up
< 1300V at In
Response time tA
<25ns
Max backup fuse
160A gL/gG
Short circuit strenght
25kA 50Hz
Working temperature
-40 ... +80 GC
Number of modules
3
Protection degree
IP20
Mounting
On DIN rail
Maximum Terminal Capacity
50 stranded wire or 35 flexible wire MMQ
Remote signalling contact (Fm)
P-HMS 280 Fm R2
Standard
CEI 81-10; EN 62305
Megiston