Stable PoE supply
The single output is specified at 52VDC with ±1% stabilized, line and load regulation.
Model: EW-DP120W-52
120W 52VDC Power Adapter for PoE Switches
- 52VDC regulated output · up to 2.3A
- 90–264VAC input · 47–63Hz · 90% efficiency
- Fanless design · 100% full-load aging test · 3-year warranty
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Overview
EW-DP120W-52 converts 90–264VAC mains to a regulated 52VDC output for compatible PoE switches. Its fanless enclosure, 90% efficiency and short-circuit, over-current and over-voltage protection provide a quiet dedicated supply for 120W-class deployments.
Built-in protection
Short-circuit, over-current and over-voltage protections help protect the adapter and the connected switch.
Quiet field accessory
Fanless operation and a compact 173mm enclosure fit dedicated power shelves and network cabinets.
| Specification | Details |
|---|---|
| Model | EW-DP120W-52 |
| Output | 1 group; 52VDC; 0–2.3A output current |
| Output regulation | Stabilized voltage, line and load regulation ±1%; temperature coefficient ±0.03%/°C |
| Input | 90–264VAC range; 100–240VAC rated; 47–63Hz |
| Efficiency / current | 90% efficiency; input current <1A |
| Protection | Short-circuit, over-current and over-voltage protection |
| Hold-up / start time | ≥10ms at 120VAC and ≥20ms at 220VAC full load; ≤3.0s/≤2.0s start time |
| Operating environment | −20 to +65°C; 20–90% RH, non-condensing |
| Storage environment | −40 to +85°C; 5–95% RH, non-condensing |
| Safety / EMC | GB4943/EN60950; EN55022 Class A; IEC61000-3-2 Class A |
| Dimensions / cooling | 173 × 72.5 × 33 mm; fanless |
| MTBF / warranty | 100,000 hours at 25°C; 3 years |
Dimensions
Order information
| Content | Quantity | Unit |
|---|---|---|
| EW-DP120W-52 power adapter | 1 | SET |
EW-DP120W-52 Resources
PDF · Specifications · Installation · Ordering
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