QS20.241, QS20.241-A1, QS20.241-C1
Q-Series
24V, 20A, SINGLE PHASE INPUT
Switching Frequencies
The power supply has four converters with four different switching frequencies included.
One is nearly constant. The others are input voltage and load dependent.
Switching frequency 1
Switching frequency 2
Switching frequency 3
Switching frequency 4
100kHz
Resonant converter, nearly constant
110kHz to 500kHz
73kHz to 114kHz
35kHz to 45kHz
Boost converter, input voltage and load dependent
PFC converter, input voltage and load dependent
Aux. converter, input voltage and load dependent
15. ENVIRONMENT
Operational temperature *) -25°C to +70°C (-13°F to 158°F)
reduce output power according Fig. 15-1
for storage and transportation
60-70°C (140°F to 158°F)
IEC 60068-2-30
Storage temperature
Output de-rating
Humidity **)
-40 to +85°C (-40°F to 185°F)
12W/°C
5 to 95% r.H.
Vibration sinusoidal
2-17.8Hz: 1.6mm; 17.8-500Hz: 2g
2 hours / axis
IEC 60068-2-6
Shock
15g 6ms, 10g 11ms
IEC 60068-2-27, DIN-rail mounting
3 bumps / direction, 18 bumps in total
30g 6ms, 20g 11ms
3 bumps / direction, 18 bumps in total
IEC 60068-2-27, with wall mounting bracket
ZM2.WALL
Altitude
0 to 2000m (0 to 6 560ft)
without any restrictions
2000 to 6000m (6 560 to 20 000ft)
reduce output power or ambient temperature,
see Fig. 15-2
IEC 62103, EN 50178, overvoltage category II
Altitude de-rating
30W/1000m or 5°C/1000m
> 2000m (6500ft), see Fig. 15-2
Over-voltage category
III
II
IEC 62103, EN 50178, altitudes up to 2000m
altitudes from 2000m to 6000m
Degree of pollution
LABS compatibility
2
IEC 62103, EN 50178, not conductive
The unit does not release any silicone or other LABS-critical substances and is suitable for
use in paint shops.
*) Operational temperature is the same as the ambient temperature and is defined as the air temperature 2cm below the unit.
**) Do not energize while condensation is present
Fig. 15-1 Output current vs. ambient temp.
Fig. 15-2 Output current vs. altitude
Allowed Output
Current at 24V
Allowed Output
Current at 24V
30A
30A
for typ.
4s
for typ.
25
4s
25
20
15
10
5
C
20
B
continu
ous
continu
ous
A
15
10
5
A... Tamb
B... Tamb
C... Tamb
< 60°C
< 50°C
< 40°C
Ambient Temperature
20 40 60 70°C
Altitude
0
0
-25
0
0
2000
4000
6000m
Oct. 2013 / Rev. 2.2 DS-QS20.241-EN
All parameters are specified at 24V, 20A, 230Vac, 25°C ambient and after a 5 minutes run-in time unless otherwise noted.
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www.pulspower.com Phone +49 89 9278 0 Germany
PULS [ PULS GmbH ]
