Page 5 - DEHN protects Smart Grids
P. 5
DEHN protects intelligent transformer substations Application Type Part No.
Power supply systems
A Protection of the low-voltage DEHNvenCI 961 205
main distribution board
Type 1 + type 2 combined arrester with integrated
backup fuse
alternative: DEHNguard ® M ACI 952 341
Type 2 arrester with integrated switch / spark gap
combination; can be used without backup fuse
alternative: VA NH00 900 262
Type 2 arrester with integrated backup fuse
in NH 00 design
B Protection of the monitoring and DEHNrail 953 405
telecontrol system
Type 3 arrester. Additional protection of the power
supply of terminal devices
C Protection of the transformers on DEHNmid 990 010
the medium-voltage side
Medium voltage arrester
E Disconnector 994 003
Disconnector for DEHNmid arresters
Information technology systems
C Protection of data and BLITZDUCTOR XT 920 375
®
B D communication lines Space-saving TYPE 1 combined arrester module
with LifeCheck ® for protecting two pairs
®
BLITZDUCTOR SP 926 375
Space-saving TYPE 2 surge arrester module for
protecting two pairs
A D Base part BXT BAS 920 300
Protection of Ethernet applications DEHNpatch 929 121
Universal TYPE 2 arrester for Ethernet and structured
cabling systems up to 250 MHz
E Protection of coaxial connection systems DEHNgate G 929 039
TYPE 2 arrester with SMA connection technology
Earthing and equipotential bonding
Earth-termination system Strip steel (30 x 3.5 mm)
(control earth electrodes) StSt V4A 860 325
Transformer substations are an important link at the inter- You safeguard constant availability, avoid economic losses Galvanised steel 852 335
face between medium and low voltage. If they have core and save on personnel. Earthing and equipotential bonding Cross units
StSt V4A 319 209
components such as remotely controlled switch disconnectors also ensure personal safety.
Galvanised steel 319 201
and circuit breakers, regulated distribution transformers, Earth rod
telecontrols, communication and control devices, they are StSt V4A 620 902
known as intelligent transformer substations. Galvanised steel 625 151
Connection clamp for earth rods
StSt V4A 610 020
DEHN provides the systems and components required to Galvanised steel 610 010
protect the sensitive electronics in intelligent transformer Anti-corrosion tape 556 130
substations from being damaged by lightning and surges.
For integration into the Fixed earthing point 478 011
substation building StSt V4A
Connection clamp 478 129
For fixed earthing points
Further information is available on the Internet:
Equipotential busbar industry design 472 237
12 terminals
Short link: de.hn/spg18is
8 9
