| Environmental | |||||
| Parameter | Min | Typical | Max | Unit | Remark |
| Permanent operating temperature | -30 | 60 | °C | 55°C to 80°C must be derated. For details, see the ambient temperature and output power diagram | |
| Storage temperature | -40 | 80 | °C | ||
| Work Relative Humidity | 10 | 90 | % | No condensation | |
| Storage RelativeHumidity | 10 | 90 | % | ||
| Altitude | 3000 | M | |||
| Cooling mode | Natural wind cold | ||||
| Atmospheric pressure | 80 | 106 | Pa | ||
| Vibration | 10-55Hz 19.6m/S²(2G),20 minutes each along X,Y and Z axis. | ||||
| Shock | 49m/S²( 5G),2 0 once each X,Y and Z axis. | ||||
The power supply with average current was designed for LED display; small size, high efficiency, stability, reliability and high average current accuracy.Power supply has input undervoltage, output current limiting, output short circuit protection. Power supply will apply with high rectification which greatly improves the power efficiency,can reach 87.0% above, saving energy consumption, By using the N+1 backup installation, one power supply damage does not affect the system, greatly improve the system stability| Input | |||||
| Parameter | Min | Typical | Max | Unit | Remark |
| Input voltage range | 190 | 220 | 264 | Vac | |
| Rated input voltage | 190 | 220 | 264 | Vac | |
| Input voltage frequency | 47 | 50 | 63 | Hz | |
| PF | / | 220Vac Full load | |||
| Input shock current | 40 | A | 220Vac Full load / cold state | ||
| AC input system | One-way input L、N | Support for single phase | |||
| Basic output characteristics | |||||
| Parameter | Min | Typical | Max | Unit | Remark |
| Output voltage | 4.9 | 5 | 5.1 | Vdc | |
| Output current | 0 | 60 | A | ||
| Load regulation accuracy | ±1% | VO | Rated voltage input, full load change | ||
| Voltage regulationaccuracy | ±1% | VO | |||
| Regulation accuracy | ±2% | VO | Rated voltage input/full load output | ||
| Power adjustment rate | ±1% | VO | Rated current output, change in full voltage range | ||
| Ripple and noise | ≤150 | mVp-p | At full load, and during the test, a 0.1uF porcelain capacitor or gold film capacitor and a 10uF electrolytic capacitor are added to the output end, and the bandwidth of the oscilloscope is 20MHz |
| Other output characteristics | ||||||
| Parameter | Min | Typical | Max | Unit | Remark | |
| Output Power（ W） | 300 | W | ||||
| Output Efficiency | ≥87 | % | 220Vac Full load | |||
| Output dynamic | ±5%Vo,≤150us | 25%-50% or 50%-75% load change | ||||
| Off overshoot | ±5% | Vo | ||||
| Temperature Coefficient | %/℃ | Rated output voltage and output current, full range of operating temperature | ||||
| Power output delay | ≤2500 | ms | Full load test at 220Vac | |||
| Off overshoot | ±5% | Vo | Full voltage input range, full load output | |||
| Output voltage rise time | ≤50 | ms | The rise time measured is when the output voltage rise from 10% to 90% of specified output Vout observed on the channel wave form | |||
| Protection | |||||
| Parameter | Min | Typical | Max | Unit | Remark |
| Input undervoltage protection | 135 | 155 | Vac | FULL LOAD | |
| Input voltage recovery point | 72 | 90 | Vac | ||
| Output current limit protection point | 72 | 90 | A | Hiccup Model, Auto-recovery | |
| Output short circuit protection | ≥72 | A | |||
| Other features ： | ||
| Parameter | Standard/SPEC | |
| Leakage current | ＜1.0mA(Vin=220Vac) GB8898-2001 9.1.1 | |
| MTBF | MTBF≥ 50,000h | |
| Odour requirements | Can not produce odors and unhealthy odors. | |
| Safety and insulation level | ||||
| Parameter | Test conditions | Standard/SPEC | ||
| Isolation voltage | Input-Output | 3000Vac/10mA/1min | No flashover, no breakdown | |
| Input-PE | 1500Vac/10mA/1min | No flashover, no breakdown | ||
| Output-PE | 500Vdc/10mA/1min | No flashover, no breakdown | ||
| Insulation Resistance | Input-Output | DC500V | ≥10MΩ | Min |
| Input-PE | DC500V | ≥10MΩ | Min | |
| Output-PE | DC500V | ≥10MΩ | Min | |
| Mechanical characteristics | |
| L *W *H | L190*W82*H30mm |
| Weight（ kg） | 460g |
| NO. | NO. | Define. |
| 1 | PIN1 | NEUTRAL |
| 2 | PIN2 | NEUTRAL |
| 3 | PIN3 | LINE |
| 4 | PIN4 | LINE |
| 5 | PIN5 | EARTH |
| NO. | NO. | Define. |
| 1 | PIN1 | GND |
| 2 | PIN2 | GND |
| 3 | PIN3 | GND |
| 4 | PIN4 | +5.0VDC |
| 5 | PIN5 | +5.0VDC |
| 6 | PIN6 | +5.0VDC |
Operate temperature derating guidelineEfficiency & load guideline：220VAC
