TECHNICAL DATASHEET
Sync DIN Rail Power Supply
24V 30W 1 Phase (NEC Class 2) / DRS-24V30W1NZ
All parameters are specified at 25°C ambient and AC input unless otherwise indicated.
www.DeltaPSU.com (July 2019, Rev. 04)
2
Specifications
Input Ratings / Characteristics
Nominal Input Voltage
100-240Vac
Input Voltage Range
85-264Vac
Nominal Input Frequency
50-60Hz
Input Frequency Range
47-63Hz
DC Input Voltage Range*
120-375Vdc
Input Current
< 0.55A @ 115Vac, < 0.35A @ 230Vac
Efficiency at 100% Load
> 87.5% @ 115Vac, > 88.0% @ 230Vac
Max Power Dissipation
0% load
< 0.5W @ 115Vac & 230Vac
100% load < 4.5W @ 115Vac & 230Vac
Max Inrush Current (Cold Start)
< 20A @ 115Vac, < 40A @ 230Vac
Leakage Current
IEC/EN 60950-1 < 0.5mA @ 264Vac
(Neutral to PE terminal)
IEC/EN 62368-1 < 1.0mA @ 264Vac
*Fulfills test conditions for DC input. Safety approval for DC input can be obtained upon request.
Output Ratings / Characteristics**
Nominal Output Voltage
24Vdc
Factory Set Point Tolerance
24Vdc ± 2%
Output Voltage Adjustment Range
24-28Vdc
Output Current
1.25A (30W max.)
Output Power
30W
Line Regulation
< 0.5% (@ 85-264Vac, 100% load)
Load Regulation
< 1.0% (@ 85-264Vac, 0-100% load)
PARD*** (20MHz)
< 75mVpp @ > 0°C to 70°C
< 150mVpp @ 0°C to -20°C
Rise Time
< 30ms @ nominal input (100% load)
Start-up Time
< 2,500ms @ 115Vac (100% load)
< 1,000ms @ 230Vac (100% load)
Hold-up Time
> 20ms @ 115Vac (100% load
)
> 100ms @ 230Vac (100% load)
Dynamic Response
(Overshoot & Undershoot O/P Voltage)
± 5% @ 85-264Vac input, 0-100% load
(Slew Rate: 0.1A/μ
s, 50% duty cycle @ 5Hz to 1KHz)
Start-up with Capacitive Loads
3,000µF Max
**For power de-rating from < -10°C to -20°C, and 55°C to 70°C, see power de-rating on page 3.
*
**PARD is measured with an AC coupling mode, 5cm wires, and in parallel with 0.1μF ceramic capacitor & 47μF
electrolytic capacitor.
