American Power Conversion SYMF800KH User Manual
Page 48
Residual Current Sense
Mains - inpu
t
UPS - outpu
t
PE
N
PE
PE
PE
Bypass - in
p
u
t
Bypass - outp
u
t
L1
L3
L2
L1
L3
L2
N
L1
L3
L2
L1
L3
L2
Protective Earthing Condu
ctor
Protective Earthing Conducto
r
Main Protective Earthing Termin
a
l
External SSW-Bypa
s
s
Symmetra M
W
( PDU )
Service Entran
c
e
Ma
in
invert
e
r
u
u
u
M
Main Protective Earthing Termin
a
l
N
PE
PE
Q1
Q6
Q3
Q5
Earthing arrangements and protective conductors - Symmetra MW in "TN-S
installation"
( Legal in DK
- special
cases )
E
Residual current pr
o
te
ct
iv
e
device can be
used.
Residual Current Sense
Residual current protective dev
ice can not be
used at this p
oint.
Owing to parallel return path fo
r
the fault current
With refere
nce to:
IEC 60364-4-41 §
413.1.3.1
Minimum cross-sectional
areas:
IE
C
3
6
4
-5
-5
4
§
543.1.1
+-
+
-
Battery 1
Battery 2
Q7
Q8
Battery
1
Battery
2
PE
PE
Batte
ry
rack
Batte
ry
break
e
r
box
Q4
Delta
Inve
rter
i
i
i
Common-mode filter
Switchge
a
r
Legal in DK ( Special
cases )
With refere
nce to:
Stærkstrømsbekendtgørelsen § 55
1.6.3 Note
( § 551.6.3 is missing in IEC 60
364-5-55 )
See: IEC 60364-4-41 § 413.1.4 and "Stærkstrømsbekendtgørel
sen" § 551.6.3, Note