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
| Type | System |
| Dimension | 482.0(W) × 350.0(D) × 5U(H) |
| Weight | ≤25kg (without rectifiers) |
| Cooling Mode | Natural cooling |
| Installation Mode | Installed on a 19-inch rack or inside the cabinet |
| Cabling Mode | Top inlet and top outlet |
| Maintenance Mode | Front maintenance, supports module grade change |
| Protection Level | IP20 |
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:
