Installation
Connections of MOBILE DCU, PSU, DCU PSU
PE conductor
5
Ò
54
EDSMDAG EN 2.0
5.6 Connections of MOBILE DCU, PSU, DCU PSU
5.6.1 PE conductor
PE
[mm
2
]
[AWG]
+
MOBILE DCU Same conductor cross−section as the HV on−board cable
Connection with non−insulated ring cable lug, M6
>10
>000
MOBILE DCU PSU
MOBILE PSU
Connection with non−insulated ring cable lug, M6
+
xxxxx
xxxxxxxx
DC4
xxxxx
xxxxxxxx
8 (Eco-Fix)
10
6.3 Nm
EMDAG017a
5.6.2 HV on−board supply system
X11
U
max
[V DC] [mm
2
]
[AWG]
2
3
4
1
1 +UG
848
2.5 ... 12
12 ... 6
2 +UG
3 −UG
EMDAG020b
4 −UG
Per potential, the terminal contains two contacts for looping through the DC−bus voltage.
( Stop!
The input for the HV on−board supply system or the mains does not have an
electrical polarity reversal protection
Possible consequences:
ƒ Destruction of the device is the HV on−board supply system or the mains is
connected incorrectly.
Protective measures:
ƒ Check wiring for possible polarity reversal.
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