Delta Electronics VFD037CH23A-21 [156/638] Derating for ambient temperature

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Delta Electronics VFD300CH23A-00/-21 [156/638] Derating for ambient temperature
Chapter 9 Specifications
9-5
Derating of ambient temperature and altitude
Derating for ambient temperature
40%
50%
60%
70%
80%
90%
100%
30 35 40 45 50 55 60
Ambient Temperature(degree C)
Output Current Rating(A)
UL Open- Type/ IP20
UL TYPE1/ IP20
UL OPEN TYPE/ IP20_side by side
0 500 1000 1500 2000 2500 3000
40
50
60
70
80
90
100
50
40
Ta at Rating= 100%
Rating (%) at Stardard Ambient Temperature*
Altitude (m)
45
40
35
30
UL Open Type / IP20 Side
b
ySide
UL Type I / IP20
UL Open Type / IP20
*StardardAm
b
ient Tem
p
erature= 50 degC for UL O
p
en Ty
p
e/IP20
Stardard Am
b
ient Tem
p
erature= 40 degC for UL Ty
p
eI/IP20&ULO
p
en Ty
p
e/IP20Side
ySide
Derating for Altitude

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