Overvoltage arrester Type 2

SURGE ARRESTER NVA280 40kA 3P CL.2 TN-C

NVA280-3

SCARICATORE SCHALT NVA280 TIPO 2 PER SOVRATENSIONI CON PROTEZIONE TERMICA INTERNA

+

Type

2

Number of Poles

3

Number of modules

3

Max continuos voltage uc

280V P-N / 255V N-PE

Nominal discharge impulse current (8/20µs) In

60kA

Max. discharge current (8/20µs) Imax

120kA

Net System

TN-C

Integrated Thermal disconnector

yes

Voltage protection level Up

< 1300V at In

Max backup fuse

125A gL/gG

Response time tA

<25ns

Maximum Terminal Capacity

50 stranded wire or 35 flexible wire MMQ

Working temperature

-40 ... +80 GC

Torque

4 NM

Protection degree

IP20

Mounting

on bar DIN 35 mm EN 60715

Standard

EN 61643-11