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Description
PSU4850A Overview
The PSU4850A is a digital rectifier converts the 85 VAC ~300 VAC input to 53.5 VDC output that possesses the characters of high efficiency，high power density, soft start, parallel, complete protection, and low noise. Adopting the latest power topology and latest intelligence control technology to realize the high efficiency under widest load range.
• Input voltage range: 85 VAC–300 VAC
• Operating temperature range: -40 °C to +75 °C (-40°F to +167°F)
• Total harmonic distortion (THD): ≤ 5％
• Hot plug
• Digital control
• Intelligent electric meter
• Communication over RS485
• LED display
• Supports voltage adjustment,current adjustment,and current sharing
• RE ,CE,ClassB
• Active load sharing
• Passing the TUV, CE, CB,UL certifications
• Online update the embedded software for future need
• Meet Rohs requirement
• Disconnect above 320 VAC
• Patented high efficiency technology
| Item | PSU4850A |
| Input | |
| Operating voltage | 85–300 VAC |
| Frequency | 45–66 Hz Rated : 50Hz and 60 Hz |
| Maximum input current | ≤ 18.5 A |
| Power factor | ≥ 0.99 (50% load or more) |
| THD | ≤ 5％ (50% load or more) |
| Output | |
| Output voltage | 43.2–58 .0VDC Default voltage: 53.5 VDC |
| Output power | 3000 W (176–300 VAC); 1200 W (85–175 VAC) |
| Regulated voltage precision |
≤±0.6％Vo |
| Ripple and noise | ≤ 200 mVp-p (Bandwidth ≤ 20MHz) |
| Static voltage regulation | ±0.5% (from no load to 100% load) |
| Dynamic regulation | Over Shoot:≤ ±5％ Vo Recovery time: ≤ 200us |
| Standby power | 3–8 s |
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