LYTE II DIN Rail Power Supply
DRL-480W series / DRL-
V480W1EN
PRELIMINARY DATASHEET- For product review purpose only. The specs are subjected to change.
All parameters are specified at 25°C ambient and AC input unless otherwise indicated.
www.DeltaPSU.com (August 2021, Rev. X00)
2
Specifications
Model Number
DRL-24V480W1EN
DRL-48V480W1EN
Input Ratings / Characteristics
Nominal Input Voltage
100-240 Vac
Input Voltage Range
90-264 Vac
Nominal Input Frequency
50-60 Hz
Input Frequency Range
47-63 Hz
Input Current
4.6 A typ. @ 115 Vac, 2.3 A typ. @ 230 Vac
Efficiency at 100% Load
93.0% typ. @ 230 Vac
93.5% typ. @ 230 Vac
Average Efficiency
(25%, 50%, 75%, 100%)
91.5% typ. @ 115 Vac
91.5% typ. @ 115 Vac
No Load Power Consumption
0.75 W max @ 115 Vac & 230 Vac
0.75 W max @ 115 Vac & 230 Vac
Max Inrush Current (Cold Start)
40 A typ. @ 230 Vac
Power Factor at 100% Load
> 0.96 @ 115 Vac & > 0.93 @ 230 Vac
Leakage Current
< 1.5 mA @ 240 Vac
Output Ratings / Characteristics
*2
Nominal Output Voltage
24 Vdc
48 Vdc
Factory Set Point Tolerance
24 Vdc ± 1%
48 Vdc ± 1%
Output Voltage Adjustment Range
24-28 Vdc
48-55 Vdc
Output Current
0-20.0 A
0-10.0 A
Output Power
480 W max
Line Regulation
± 0.5% @ 115 Vac & 230 Vac
Load Regulation
± 0.5%
± 0.5%
PARD
*3
(20 MHz)
< 150 mVpp @ 0°C to +70°C
< 450 mVpp @ -30°C to 0°C
< 200 mVpp @ 0°C to +70°C
< 600 mVpp @ -30°C to 0°C
Rise Time
30 ms typ. @ 115 Vac & 230Vac
Start-up Time
500 ms typ. @ 115 Vac & 230 Vac (24 V)
800 ms typ. @ 115 Vac & 230 Vac (48 V)
Hold-up Time
25 ms typ. @ 115 Vac & 230 Vac (100% load)
Dynamic Response
(Overshoot & Undershoot O/P Voltage)
± 10% @ 115 Vac & 230 Vac input, 10-100% load
(Slew Rate: 2.5
A/μS, 50% duty cycle @ 5
Hz & 10 kHz)
Start-up with Capacitive Loads
8,000 µF Max
3,000 µF Max
*2 For power will be de-rating from 40°C to 70°C @ 115Vac & 50°C to 70°C @ 230 Vac, and Vin < 100 Vac, see Engineering Data power de-rating information.
*3 PARD is measured with an AC coupling mode, 5cm wires, and in parallel to end terminal with 0.1
μF ceramic capacitor & 47
μF electrolytic capacitor.
PSU need to burn in
around 5 minutes w
hen AMB ≤ 0
°C
