Datasheet
QT20.241, QT20.241-C1
Q-Series
24V, 20A, THREE PHASE INPUT
Oct. 2006 / Rev. 1.0 DS-QT20.241-EN
All parameters are specified at 24V, 20A, 3x400Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
www.pulspower.com Phone +49 89 9278 0 Germany
12/23
17. ENVIRONMENT
Operational temperature -25°C to +70°C (-13°F to 158°F) Reduce output power above +60°C
Output de-rating 12W/°C 60-70°C (140°F to 158°F), see Fig. 17-1
Storage temperature -40 to +85°C (-40°F to 185°F) Storage and transportation
Humidity 5 to 95% r.H. IEC 60068-2-30
Do not energize while condensation is present
Vibration sinusoidal 2-17.8Hz: ±1.6mm;
17.8-500Hz: 2g
2 hours / axis
IEC 60068-2-6
Vibration random
0.5m
2
(s
3
)
2 hours / axis
IEC 60068-2-64
Shock 30g 6ms, 20g 11ms
3 bumps / direction,
18 bumps in total
IEC 60068-2-27
Altitude 0 to 6000m (0 to 20 000ft) Reduce output power or ambient temperature
above 2000m sea level.
Output de-rating (for altitude) 30W/1000m or 5°C/1000m above 2000m, see Fig. 17-2
Over-voltage category III EN 50178, altitudes up to 2000m
II Altitudes from 2000m to 6000m
Degree of pollution 2 EN 50178, not conductive
Fig. 17-1 Output current vs. ambient temp., Fig. 17-2 Output current vs. altitude
Allowed Output
Current at 24V
0
-25 0 20 40
70°
C
5
10
15
20
25
30A
c
o
n
t
i
n
u
o
u
s
60
Ambient Temperature
f
o
r
t
y
p
.
4
s
Allowed Output
Current at 24V
0
0 2000 4000
6000m
5
10
15
20
25
30A
c
o
n
t
i
n
u
o
u
s
Altitude
f
o
r
t
y
p
.
4
s
A
.
.
.
T
a
m
b
<
6
0
°
C
B
.
.
.
T
a
m
b
<
5
0
°
C
C
.
.
.
T
a
m
b
<
4
0
°
C
A
B
C
The ambient temperature is defined as the air temperature 2cm below the unit.