EVS Powers
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With 30Amp Embedded 53.5VDC Rectifier Board Mount AC DC Converters Featuring Web Browser Access
Our reliable, energy-efficient telecom power solutions are designed for wireless broadband access, fixed-line applications, Internet backbone and datacenters. They protect against grid power interruptions and fluctuations, helping operators reduce OPEX and lower their overall carbon footprint.
This professional-grade Telecom Power System is built specifically for communication equipment, delivering an output voltage of -54V and an output current ranging from 0 to 30A. Key features include input over/under-voltage protection, output over-current protection, and output over-voltage protection.
Rack Mount UPS Power System Performance Advantages:
| Input Characteristics | ||||
| No. | Items | Technical Specifications | Unit | Remarks |
|---|---|---|---|---|
| 1.1 | Input rated voltage | 200 — 240 | Vac | |
| 1.2 | Input voltage range | 90 — 280 | Vac | 100-400VDC |
| 1.3 | Input Current | ≤20 | A | Lowest input voltage, rated load |
| 1.4 | Input voltage frequency | 50/60 | Hz | |
| 1.5 | Power factor | ≥0.99 | Rated input voltage, rated load | |
| 1.6 | Input Shock Current | ≤30 | A | 264Vac |
| Output Characteristics | ||||
| 2.1 | Output Rated Voltage | 54 | Vdc | |
| 2.2 | Output current range | 0 — 30 | A | Input voltage: 176 — 280Vac |
| 0 — 20 | A | Input voltage: 90 — 175Vac | ||
| 2.3 | Output voltage range | 53.5 | Vdc | |
| 2.4 | Efficiency | ≥95% | 220Vac input, output 54Vdc/60A | |
| ≥92% | 110Vac input, output 54Vdc/30A | |||
| 2.5 | Output ripple & noise | ≤200 | mVp-p | Rated load, frequency band 20MHz |
| 2.6 | Turn-on output delay | 3 — 8 | S | Vin=220Vac |
| 2.7 | Output rising time | ≤200 | mS | 10% to 90%, rated load |
| 2.8 | Turn on/off overshoot | ≤±5 | %Vo | |
| 2.9 | Combined regulation | ≤±1% | ||
| 2.10 | Transient Response | Overshoot: ≤ ±5 | %Vo | 5%—50%—25% or 50%—75%—50% load change |
| Recovery time: ≤ 200 | μS | |||
| 2.11 | Phone weighed noise voltage | ≤2 | mV | |
| 2.12 | p-pk value noise | ≤400 | mV | 0—300KHz |
| Protection Characteristics | ||||
| 3.1 | Output overvoltage protection | 58.5 — 62 | Vdc | Locked |
| 3.2 | Input overvoltage (0A output) | Protection point: ≥295 | Vac | Overvoltage, cut output |
| Tolerance: ≥5 | Vac | Restart module when Vin recovers to 264Vac | ||
| 3.3 | Input undervoltage protection | Protection point: ≤80 | Vac | Cut output |
| Tolerance: ≥5 | Vac | Restart module when Vin recovers to 90Vac | ||
| 3.4 | Overtemperature protection | Yes | Auto-recover at ambient temp < 50℃ | |
| 3.5 | Output overcurrent protection | 60 | A | 220VAC Input, Auto-recover |
| 30 | A | 110VAC Input, Auto-recover | ||
| 3.6 | Output short-circuit protection | Yes | No damage with long-term short-circuit | |
| 3.7 | Fan failure protection | Yes | Half-load with single fan failure; cuts output if both fans fail | |
| Battery Management & Reliability | ||||
| 4.1 | Floating charge current limiting | 10 ± 1.5 | A | |
| 4.2 | Battery undervoltage protection | 42.5 — 43.5 | V | Cuts load to protect battery life |
| 5.1 | MTBF | 100,000 | Hours | High reliability standards |
