American Power Conversion SYMF800KH User Manual
Page 49

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
PE
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
PEN
PE
Q1
Q6
Q3
Q5
Earthing arrangements and protective conductors - Symmetra MW in "TN-C-S
installation"
E
Suitable earth
electrode
with reference to IEC 603
64-5-55 § 551.4.2
Residual current pr
o
te
ct
iv
e
device can be
used.
Residual Current Sense
Residual current pr
o
te
ct
iv
e
device can not b
e
used.
With refere
nce to:
IEC 60364-4-41 §
413.1.3.1
+-
+
-
Battery 1
Battery 2
Q7
Q8
Battery
1
Battery
2
PE
PE
Batte
ry
ra
c
k
Batte
ry
break
e
r
box
Q4
Delta
In
ve
rter
i
i
i
Common-mode filter
Switchge
a
r
PEN
See: IEC 60364-4-41
§
413.1.3