ET48300-005 Embedded Power System For Uninterruptible Power Supply and Outdoor Cabinet

ET48300-005 Embedded DC Power System Introduction

The ET48300-005 sub-rack power supply features a compact 5U height design to meet the critical application needs of fiber and microwave transmission, access devices, and switches. The system has a maximum power capacity of 300A, with AC, battery, and load MCBs. Cables are front-accessible with MCBs and busbars.

Key Features

• Standard 19-inch Width: Ensures compatibility for wide usage.
• Compact 5U Height: Saves space and reduces installation costs.
• Front Operation and Cable Access: Provides aesthetic appeal and safe maintenance.
• Advanced Battery Management: Extends battery life and offers various communication ports (RS485, internet port, dry contacts) for flexible networking and remote monitoring.
• Hot-Swappable Rectifier and Controller: Allows for easy and quick online maintenance.
• Wide Input Voltage Range (85-300Vac): Adapts to various power grid conditions.

Application Scenarios

• Wireless base stations
• Transmission networks
• Communication networks for enterprises

Specifications

AC Distribution

• Input Mode: 220VAC single-phase
• Input Capacity: 1 × 100A/2P
• Input Frequency: 45~65Hz (rated value: 50Hz/60Hz)
• AC SPD: 20kA/40kA, 8/20μs

DC Distribution

• Output Voltage: -43 to -58VDC (rated value: -53.5VDC)
• Maximum Capacity: 18kW
• Battery Breaker: 2 × 125A (1-pole)
• Load Breakers:
  • LVD: 32A (1-pole) × 2 + 40A (1-pole) × 2 + 63A (1-pole) × 3
  • BLVD: 6A (1-pole) × 2 + 10A (1-pole) × 2 + 16A (1-pole) × 2
• Rectifier Input Voltage: 85VAC to 300VAC (rated 220VAC)
• Efficiency: >96%
• Rated Power: 3000W (176~300VAC)
• Working Temperature: -40℃ to +75℃ (fully output below 50℃)
• Dimension: 106.5mm(W) × 286mm(D) × 41.5mm(1U/H)
• Weight: ≤2kg
• Cooling Mode: Forced cooling
• Power Factor: ≥0.99
• THD: ≤5%

Controller

• Signal Input: 4 AI (3 Battery temp., 1 ambient temp), 7 DI (SPD, 6 common DI)
• Alarm Output: 6 dry contacts
• Communication Port: RS485, SNMP
• Display Mode: LCD

Environment

• Operating Temperature: -40℃ to +75℃ (fully output below 50℃)
• Storage Temperature: -40℃ to +70℃
• Operating Humidity: 5% to 95% (non-condensing)
• Altitude: 0 to 3000m (For altitudes between 2000m and 3000m, the maximum operating temperature decreases by 1℃ for every 200m increase in altitude.)

This overview provides a comprehensive understanding of the ET48300-005 embedded DC power system, designed for reliability and efficiency in various telecom applications.

ET48300-005 Embedded Power System Pictures: