INSTRUCTION MANUAL
ZWS300RC
Series
TDK-Lambda
<Page>
7. Mounting Method
7-1. Mounting Direction
The standard mounting is direction (A).
Possible mounting directions are (A), (B),(C), (D) and (E). Do not mount the product in any other directions.
Do not exceed the derating of maximum load, which is limited by mounting direction and ambient temperature.
Refer to
“
7-2.Output Derating” for more information.
（
A
）
Standard Mounting
（
B
）
（
C
）
（
D
）
（
E
）
（
F
）
Not Possible
7-2. Output Derating
Refer to the output derating below, load (%) is percent of maximum output current value in a rated output
voltage.
■
Convection Cooling (85<Vin<170VAC or 120<Vin<240VDC)
*Derating is required for less than 90VAC or less than 127VDC. Refer to
“
7-3.Output Derating according to the
Input Voltage” for more information.
13/17
CN 1(INPUT)
CN 1
CN1
CN 1
FIN
CN 1
FIN
MOUNTING A
MOUNTING B
MOUNTING C
MOUNTING D
MOUNTING E
-10 - +20
100
100
100
100
100
35
100
100
100
73
85
40
100
92
100
64
80
45
100
85
88
55
75
50
88
77
77
46
70
60
65
53
53
28
40
70
30
30
30
10
10
Ta (°C)
Load (%)
0
20
40
60
80
100
120
-10
0
10
20
30
40
50
60
70
80
L
oa
d
(%
)
Ta (
o
C)
MOUNTING A
MOUNTING B
MOUNTING C
MOUNTING D
MOUNTING E
