Products

Embedded Telecom Rectifier 48V DC

Brand: EVADA
Product origin: CHINA
Model: E48

Download: EVADA Telecom UPS.pdf

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.

ABOUT E48 48V DC EMBEDDED TELECOM RECTIFIER

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

Telecom Rectifier

Efficiency≥92% at 220VAC

DC Rectifier

Output ripple and noise≤200mVp-p

Rectifier Module

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%

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Embedded Telecom Rectifier 48V DC

ABOUT E48 48V DC EMBEDDED TELECOM RECTIFIER

◆FEATURE

SPECIFICATION