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:

Introduction 

Tianjin Estel Electronic Science and Technology Co., Ltd (ESTEL(GUANGDONG)TECHNOLOGY CO., LTD), located in China, is a professional supplier of integrated outdoor telecom cabinet and temperature control solutions for outdoor telecom base station. As a science and technology innovative company, we engage in the R&D, manufacture, and sales of telecommunication equipment. Estel has a well-established team of technical and management experts who can meet customers’ specific needs accurately.

The base station integrated solutions and products include outdoor integrated telecom equipment cabinet, battery cabinet, RRU cabinet, power supply cabinet, environment monitoring system, TEC peltier air conditioner, AC220V compressor air conditioner, DC48V variable frequency air conditioner, heat exchanger, rectifier, UPS, embedded telecom power system etc. All the above solutions and products can be custom made.

Our products and solutions have been deployed all over China. Our main domestic customers are China Telecom, China Mobile, China Unicom, State Grid, Shenzhen / Beijing Metro and Huawei / ZTE etc. In addition, our products have been exported to Europe, North America, South America, Central America, Southeast Asia, Africa, Australia, Mid East countries, etc.

“ Customers First, Quality First ” is always our principle. We have attained many certifications, such as ISO9001, ISO14001, OHSAS18001, CE, UL, FCC etc. AS a telecom integrated solutions / energy saving system integrator in China, We have strong advantages in technology competitiveness, management competitiveness ,service competitiveness and price competitiveness. Through many years of experiences in design, production and implementation of different projects around the world, we have gained great reputation. Relying on professional technique and strict quality control, we will continuously offer high cost-effective products and solutions to our respectable customers globally. We will always try our best to meet customers’ need and requirement.

Company Capability

Trade & Market