OPALUS POWER
AC-DC Switching Power Supply - 24V 20A 480W
AC-DC Switching Power Supply - 24V 20A 480W
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Part Number: OPDF-480-24
The OPDF-480-24 is a compact, high-efficiency DIN rail-mounted power supply module that delivers 480W continuous output and up to 720W peak power for demanding applications. Designed for use in industrial automation, renewable energy, and transportation systems, this power supply ensures high reliability, excellent thermal performance, and complete protection features. It complies with CB certification and RoHS standards, and is built with a UL94V-0 flame-retardant aluminum enclosure.
Key Features
- Compact dimensions: 127 × 125 × 62 mm
- High efficiency: Up to 93% @ 230Vac
- Peak power capability: 150% of rated power for 5 seconds
- Active Power Factor Correction (PFC): PF > 0.94
- Built-in DC OK indicator & isolated signal output
- Optional 9+1 parallel redundancy supported
- Natural air cooling, IP20-rated aluminum enclosure
- Complies with RoHS, CB certification, and UL94V-0 standards
- DIN Rail mountable (TS-35/7.5 or TS-35/15)
Electrical Specifications
Input
|
Parameter |
Specification |
|
Voltage Range (AC) |
85–264Vac (Single-phase) |
|
Voltage Range (DC) |
100–370Vdc |
|
Frequency |
47–63Hz |
|
Input Current @230Vac |
2.4A |
|
Input Current @115Vac |
5.5A |
|
Inrush Current |
15A (115Vac) / 30A (230Vac), cold start |
|
Power Factor |
0.99 @ 115Vac / 0.94 @ 230Vac |
|
No-load Power Consumption |
≤ 5W |
|
Input Fuse |
T10A / 250Vac |
Output
|
Parameter |
Specification |
|
Output Voltage |
24V DC (adjustable from 23V to 28.5V) |
|
Rated Output Current |
20A |
|
Peak Output Current |
30A (for 5 seconds) |
|
Rated Power |
480W |
|
Peak Power |
720W (for 5 seconds) |
|
Ripple & Noise |
≤ 120 mVp-p |
|
Voltage Tolerance |
±2% |
|
Load Regulation |
±1% |
|
Line Regulation |
±0.5% |
|
Temperature Coefficient |
±0.07%/°C (0°C, 60~70°C) |
|
Rise Time / Hold Time |
100ms / 15–20ms (typ.) |
|
Setup Time |
≤ 2s @ full load |
|
Overshoot / Undershoot |
±5% |
|
Dynamic Response Time |
≤ 20ms |
Protection Functions
|
Function |
Behavior |
Recovery Mode |
|
Short Circuit |
Shutdown after ≥60s |
Auto-recover |
|
Over Current |
160%–180% of rated current |
Auto-recover |
|
Over Voltage |
120%–170% of rated voltage |
Auto-recover |
|
Over Temperature |
Output shutdown |
Auto-recover |
|
Brownout Protection |
Enter < 50–60Vac / Exit > 65–80Vac |
Auto-recover |
|
Input Over-voltage |
Damage ≥ 310Vac |
No recovery |
Signal & Indicators
- Green LED: Lit when output voltage ≥ 21.6V
- DC OK Signal: Normally open isolated contact
- Max: 30V DC / 1A
- Low impedance ≤ 50mΩ when output ≥ 85% Vout
Mechanical & Environmental
|
Parameter |
Specification |
|
Dimensions (L×W×H) |
127 × 125 × 62 mm |
|
Weight |
2 kg |
|
Installation |
DIN rail TS-35/7.5 or TS-35/15 |
|
Operating Temperature |
-25°C to +70°C (Derating required above 50°C) |
|
Storage Temperature |
-40°C to +85°C |
|
Humidity |
5–95% RH (non-condensing) |
|
Altitude |
≤3000m (Derate 15% per 1000m above 3000m, max 5000m) |
|
Cooling Method |
Natural air cooling |
|
Vibration Resistance |
2.3G, IEC 60068-2-6 |
|
Shock Resistance |
30G, IEC 60068-2-27 |
|
IP Rating |
IP20 |
|
Enclosure Material |
Aluminum, UL94V-0 flame-retardant |
Certifications & Standards
Certifications: CB, RoHS Compliant
Safety Standards: EN 62368-1, EN 61010, UL1310, IEC/UL 61010-2-201
EMC Compliance:
- ESD: ±8kV air, ±4kV contact (IEC 61000-4-2)
- EFT: ±4kV (IEC 61000-4-4)
- Surge: ±2kV diff / ±4kV common (IEC 61000-4-5)
- Radiated: 10V/m (IEC 61000-4-3)
- Conducted Emissions: EN 55032 Class B
- Harmonic / Flicker: IEC 61000-3-2, 3-3
Reliability
MTBF: ≥200,000 hours @ 25°C, full load (MIL-HDBK-217F)
Burn-In Test: 100% load @ 230Vac, 40°C ±5°C for 4 hours
Applications
- Industrial Control Systems
- Renewable Energy & Clean Power
- Rail & Transportation
- Harsh Environmental Installations
- Production & Automation Equipment
- Long Life & High-Reliability Systems
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