ABOUT E48 48V DC EMBEDDED TELECOM RECTIFIER
E48300-8U300A embedded power supply is a new generation of highly reliable and high-performance communication power supply system designed by the company with many years of development and online operation experience. The system configuration supports 1-6 hot-swappable rectifier modules. The system monitoring module has battery management and power system monitoring functions. The configuration of appropriate sensors can realize environmental monitoring, and provide multiple groups of backup monitoring quantities. It can provide RS485 communication interface to facilitate remote monitoring and unattended operation.
The EVADA E48 48V DC Embedded Telecom Rectifier is equipped with a 48V rectifier module, offering stable and regulated DC power to meet the precision and reliability demands of telecom systems.
◆FEATURE
High Reliability
*Wide input range, appropriate for harsh environment
*BMS: LVLD+LVBD functions, temperature compensation, automatic floating charging control, AVR, battery capacity calculation, online battery testing, etc
*Advanced CPU and multiple microprocessor control technology
Excellent Design
*Non-destructive hot-swappable technology: ≤1 min replacement time
*LiFePO4/Lead-acid battery compatible
*Digital-control active power factor compensation technology: input power factor is up to 0.99
Perfect Protection
*Multiple protection: undervoltage, overload, overheat, short circuit, surge, lightning, fan fault alarm, fault display, historical alarm record storage, etc.
◆OTHER
Efficiency≥92% at 220VAC
Output ripple and noise≤200mVp-p
Single module capacity: 30A or 50A
SPECIFICATION
| Model | HW30E-L50DC48 | |||
| Capacity | 30-1000A | |||
| Input | ||||
| Rated Voltage | 220VAC | |||
| Voltage Range | Start: 140-290VAC, running: 90-290VAC | |||
| Rated Frequency | 43 - 67Hz (Typical value is 50/60Hz) | |||
| Power Factor | ≥0.99 | |||
| Output | ||||
| Rated Voltage | -53.5VDC | |||
| Voltage Range | -42 ~ -58VDC | |||
| Voltage Stabilizing Accuracy | ≤±1% | |||
| Single Module Capacity | 30 or 50A | |||
| Current | 30 ~ 1000A | |||
| Output Ripple and Noise | ≤200mVp-p | |||
| Power On Output Delay | 3 ~ 8s | |||
| Broadband Noise Voltage | ≤100mV at 3.4 - 150 KHz ≤30mV at 150 - 30 MHz | |||
| Telephone Weight Noise Voltage | ≤2mV | |||
| Dynamic Response | Overshoot amplitude: △V: ≤5%Vo ; Recovery time: △t: ≤500µS | |||
| Current Sharing Imbalance | ≤5% | |||
| Temperature Coefficient | ±0.02%/℃ | |||
| Efficiency | ≥92% at 220VAC rated load, ≥87% at 110VAC rated load | |||
| Efficiency | ||||
| Inverter Mode | 95% | |||
| ECO Mode | 99% | |||
