Datasheet

4 TDB301021en/06.2013
Network and system protection (NS protection) LINETRAXX® VMD460-NA
Intended use
G
power generation systems
coupling switches
coupling switches
VMD460
public grid
The principle of an installation according to CEI 0-21; VDE-AR-N 4105 (30 kW and higher), C10/11, BDEW guideline, DIN VDE 0126-1-1,
G59/2, G83/2
1 - Supply voltage U
S
(see ordering infor-
mation)
2 - Coupling to the grid
3 - Contact monitoring coupling switch
(feedback signal contacts, optional NC/NO/
off)
NO (in non-operating
state open)
NC (in non-operating
state closed)
off (contact monitoring switched off)
4 - Relay connections
5 - GND, digital inputs (external monitor-
ing)
6 - Remote trip input (NC/NO)
7 - RS-485 interface
8 - Activate or deactive the BMS bus ter-
minating resistor (120 Ω )
Wiring diagram VMD460 (CEI 0-21)
A1
L1
L2
L3
N
A2 L1 L2 L3
D2
D1
DG1/2
11 21
U
S
2412 22
VMD460
V
LINETRAXX®
A B RTGRT1D4D3
DG3/4
11 12 14 21 22 24
L3 L2 L1
D2 D1
DG1/2
D4
N
D3
RTG
RT1
DG3/4
14N
K1 K2
DG1/2
< U
6 A6 A
6 A6 A6 A
Backup
coupling switches 1
power
generation
system
1 2
3
4
5
8
6
7