Installation
Manual
3
1
2
4
（
8
）
Suggested
fuse
and
maximum
number
of
the
PSUs
that
can
be
connected
to
a
circuit
breaker
at
230V
are
shown
as
below.
Model
Fuse
Circuit
breaker
C16
D16
DRH
‐
120
T4A/H250V
14
16
DRT
‐
240
F3A/L250V
8
10
DRT
‐
480
F6.3A/L250V
3
5
DRT
‐
960
F6.3A/L250V
2
4
When
an
external
circuit
breaker
is
utilised,
a
minimum
value
is
required
to
avoid
undesired
tripping
of
the
circuit
breaker.
（
9
）
For
DRH
‐
120
series,
it
is
capable
of
being
connected
between
any
2
phases
on
a
3
‐
phase
‐
4
‐
wire
Wye
(Star)
connected
system.
Using
a
fuse
or
a
circuit
break
to
protect
the
AC/L2
input
is
suggested.
The
AC/L2
input
is
internally
non
‐
protected.
（
10
）
For
DRT
‐
240,
DRT
‐
480,
and
DRT
‐
960
series,
they
are
capable
of
dual
phase
operation
(connecting
L1,
L3,
FG
for
DRT
‐
960),
but
that
requires
de
‐
rating
output
current
by
20%.
（
11
）
Mounting
Instruction
：
Mount
as
shown
in
figure
only,
with
input
terminals
down,
or
else
sufficient
cooling
will
not
be
possible.
Admissible
DIN
rail
：
TS35/7.5
or
TS35/15
For
rail
fastening
：
（
a
）
Tilt
the
unit
slightly
rearwards.
（
b
）
Fit
the
unit
over
top
hat
rail.
（
c
）
Slide
it
downward
until
it
hits
the
stop.
（
d
）
Press
against
the
bottom
for
locking.
（
e
）
Shake
the
unit
slightly
to
check
the
locking
action.
（
12
）
Electrical
Tubing
and
sleeve
–
Recognized
Component
–
Tubing
(YDPU2)
and/or
sleeving
(UZFT2),
rated
300V,
105
minimum.
℃
（
13
）
For
other
information
about
the
products,
please
refer
to
www.meanwell.com
for
details.
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