Legrand 412247 SPD T2 40KA 3P+N NR 4M surge arrester

Description

Features

Reviews

Legrand surge arrester type 2/Class II according to IEC/EN 61643-11, 3+1 circuit, for TT and TN-S systems, nominal voltage 230/400 VAC, discharge current Imax (8/20) 40 kA/pole. Maximum continuous voltage (Uc) 320 VAC. For protection against overvoltages of downstream consumers caused by indirect lightning strikes or switching operations. With plug-in protection module and status display: Green (SPD ready for use) Orange (replace plug-in protection module).

Network form TN-C:

Property	Value
Nominal discharge current (8/20):	20 kA
Maximum continuous voltage AC:	320 V
Nominal voltage AC:	400 V
Protection level LN:	1.7 kV
Mounting type:	DIN rail TH35
Size:	4 TE
Signaling on the device:	optical
With remote signaling contact:	no
Test class type 2:	yes
Max. Flexible conductor cross-section (fine-wire):	25 mm²
Max. Conductor cross-section rigid (single/multi-wire):	35 mm²
Protection level N-PE:	1.5 kV
Integrated backup fuse:	no
Protection class (IP):	IP20
Network form IT:	no
Network form TN:	no
no
Network form TN-CS:	no
Network form TN-S:	no
Network type TT:	yes
Network type other:	no
Number of conductors (without earth):	4