6
SEP LEMO12SD / LEM012SS 2015
EN
62
053
-21
U
im
a
x
=
2
7
V
/
li
m
a
x
=
2
7
m
A
R
D
M
M
e
te
ri
n
g
Sin
gle
pha
se
32A
kW
hm
ete
r
R
L
=
0.
5
W
h
/im
p
R
A
=
0
.5
W
h/
im
p
(ti
=
8
0m
s)
S
O
21
6
3
20
SO
+
-
1
4
L
N
AD
M
1D
V1
.0
1
R
A
= 0 . 5 W h /im p
R
L
= 0 .5 Wh / im p
k
W
h
230V,5( 32)A,50Hz
1.8 Installation
-
We recommend that the connecting wire which is used to connect the meter to
outside circuit should be sized according to local codes and regulations for the
ampacity of the circuit breaker or overcurrent device used in the circuit.
-
An external switch or a circuit-breaker should be installed on the inlet wire,
which will be used as a disconnection device for the meter. And it is
recommended that the switch or circuit-breaker is near the meter. The switch or
circuit-breaker should comply with the specifications of the building electrical
design and all local regulations.
-
An external fuse or thermal cut-off which used as a overcurrent protection
CAUTION
Turn off and lock out all power supplying the energy meter and the
equipment to which it is installed before working on it.
Always use a properly rated voltage sensing device to confirm that power is
off.
WARNING
Installation should be performed by qualified personnel familiar with
applicable codes and regulations.
Use isolated tools to install the meter.
Fuse or thermal cut-off or single-pole circuit breaker can’t be fitted on the
supply line and not the neutral line.
Case is sealed, failure to observe this instruction can result in damage for
meter.
No warranty if case is opened or removed seal or damaged.