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Switch Mode Power Supply
S8VM
9
Engineering Data
(15-W, 30-W, 50-W, 100-W, 150-W Models)
■
Derating Curve
300W/600W/1,500W
Note: Refer to page 15.
Note: 1. Internal parts may occasionally be deteriorated or damaged. Do not use the Power Supply in areas outside the derating curves (i.e., the area shown by
shading
A
in the above graphs).
2. If there is a derating problem, use forced air-cooling.
3. When mounting two or more Power Supplies side-by-side, allow at least 20 mm spacing between them. Multiple 100- and 150-W models cannot be used
side by side. Be sure to install the Power Supplies as far away from heat-generating sources as possible. As a reference value, allow at least 50 mm spacing
on the right and left sides. If only 20 mm spacing is allowed, use the Power Supply at a load ratio of 80% or less.
4. When using 150-W models for a long period of time at an input voltage of 90 VAC or lower, reduce the load to 80% or less of the above derating curves.
15W/30W
Standard Mounting/Horizontal Mounting/Face-up Mounting
50W
Standard Mounting/Horizontal Mounting
Face-up Mounting
100W
Standard Mounting
Horizontal Mounting/Face-up Mounting
150W
Standard Mounting
Horizontal Mounting
Face-up Mounting
−
20
−
10 0 10 20 30 40 50 60 70
80
120
100
80
60
40
20
0
Ambient temperature (
°
C)
Opened type
Covered type
A
Load ratio (%)
−
20
−
10 0 10 20 30 40 50 60 70
80
120
100
80
60
40
20
0
Ambient temperature (
°
C)
Opened type
Covered type
A
Load ratio (%)
−
20
−
10 0 10 20 30 40 50 60 70
80
120
100
80
60
40
20
0
A
Ambient temperature (
°
C)
Opened type
Covered type
Load ratio (%)
−
20
−
10 0 10 20 30 40 50 60 70
80
120
100
80
60
40
20
0
Ambient temperature (
°
C)
Opened type
Covered type
A
Load ratio (%)
−
20
−
10 0 10 20 30 40 50 60 70
80
120
100
80
60
40
20
0
A
Ambient temperature (˚C)
Opened type
Covered type
Load ratio (%)
−
20
−
10 0 10 20 30 40 50 60 70
80
120
100
80
60
40
20
0
Ambient temperature (
°
C)
Opened type
Covered type
A
Load ratio (%)
120
100
80
60
40
20
0
−
20
−
10 0 10 20 30 40 50 60 70
80
Ambient temperature (
°
C)
Opened type
Covered type
A
Load ratio (%)
120
100
80
60
40
20
0
−
20
−
10 0 10 20 30 40 50 60 70
80
Ambient temperature (
°
C)
Opened type
Covered type
A
Load ratio (%)