Dehn & Söhne 951310 Combined arrester DEHNventil M TT 255

Description

Features

Reviews

DEHNventil®, complete circuit for TT systems with 230/400 V / 50 Hz nominal voltage (circuit variant '3+1'), multipole combined arrester DEHNventil modular, type 1 + type 2 in accordance with EN 61643-11 on a spark gap basis, consisting of a base part and plugged-in protection modules. Maximum system availability due to RADAX-Flow follow current limitation. Enables terminal device protection. For protecting low-voltage consumer systems against overvoltages, even in the event of direct lightning strikes. Can be used according to the lightning protection zone concept at the interfaces 0A-2

Property	Value
Maximum continuous voltage AC:	264 V
Lightning impulse current (10/350 µs):	100 kA
Test class:	Type 1 and 2
Number of poles:	4
Nominal voltage AC:	230 V
Blow-out:	no
Size:	8 TE
Remote signaling:	no
Signaling on the device:	optical
Network type TN-CS:	no
Network type DC:	no
Network type TN:	no
Energetically coordinated protection effect for the end device:	yes
Mounting type:	DIN rail TH35
Protection level N-PE:	1.5 kV
Network type TT:	yes
Specific energy (W/R):	2500 kJ/Ohm
Integrated backup fuse:	no
Follow current extinguishing capacity:	50 kA
Max. conductor cross-section rigid (single/multi-wire):	50 mm²
Max. Conductor cross-section flexible (fine-stranded):	35 mm²
Network type other:	no
Protection level LN:	1.5 kV
Network type TN-C:	no
Network type IT:	no
Network type TN-S:	yes
Protection class (IP):	IP20