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TECHNICAL DATASHEET
LYTE II DIN Rail Power Supply
DRL-240W series / DRL-V240W1EN
Engineering Data
Output Load De-rating VS Surrounding Air Temperature
110
100
90
80
70
60
50
40
30
20
10
0
-30
-20
-10
Surrounding Air Temerature (°C)
―
230 Vac
Fig. 1
De-rating for Vertical Mounting Orientation
> 40°C de-rate power by 1.67 % / °C @ 115 Vac
> 50°C de-rate power by 2.5 % / °C @ 230 Vac
Output Load De-rating VS Input Voltage
110
100
90
80
70
60
50
40
30
20
10
0
90
100
Fig. 2
De-rating for AC Input Voltage
< 100 Vac de-rate power by 1 % / Vac
All parameters are specified at 25°C ambient and AC input unless otherwise indicated.
8
www.DeltaPSU.com (March 2022, Rev. 04)
0
10
20
30
40
- - - 115 Vac
Input Voltage (Vac)
Note
1.
Power supply components may degrade, or
be damaged, when the power supply is
continuously used outside the shaded region,
refer to the graph shown in Fig. 1.
2.
The PSU will be bouncing and start up time
will not exceed 5s when ambient temperature
at ‐30 °C
3.
If the output capacity is not reduced when the
surrounding air temperature > 50°C, the
device will run into Over Temperature
Protection. When activated, power supply will
latch off, until the surrounding air temperature
is lowered or the load is reduced as far as
necessary to keep the device in working
condition, and require removal/re-application
of input AC voltage in order to restart.
4.
In order for the device to function in the
50
60
70
manner intended, it is also necessary to keep
a safety distance as recommended in the
safety instructions while the device is in
operation.
5.
Depending on the surrounding air temperature
and output load delivered by the power
supply, the device can be very hot!
6.
Need
Surrounding Air Temperature is < 40°C at
115 Vac and < 50°C at 230 Vac.
7.
If the device has to be mounted in any other
orientation, please contact info@deltapsu.com
for more details.
No output power de-rating for the input
voltage from 100 Vac to 264 Vac
264
to
consider
power
de-rating
if
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