Tianjin Estel Electronic Science and Technology Co.,Ltd
| Payment Terms | L/C, D/A, D/P, T/T, Western Union |
| Supply Ability | 20,000 sets per month |
| Delivery Time | 7-10 working days |
| Packaging Details | Wooden case |
| Dimension(mm) | 482.0(W)×310.0(D)×2U(H) |
| Weight | ≤20kg(without rectifier module) |
| Cooling mode | Natural cooling |
| Installation mode | Installed on 19-inch rack or inside the cabinet |
| IP Grade | IP20 |
| Rated Input Voltage | 220Vac (L-N) |
| Input voltage range | 90 ~ 300Vac |
| Input capacity (AC) | 1×63A/2P |
| Brand Name | ESTEL |
| Model Number | ET4805K-2U |
| Certification | ISO9001, CE, 3C, FCC, TLC |
| Place of Origin | Shenzhen, China (Mainland) |
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Product Specification
| Payment Terms | L/C, D/A, D/P, T/T, Western Union | Supply Ability | 20,000 sets per month |
| Delivery Time | 7-10 working days | Packaging Details | Wooden case |
| Dimension(mm) | 482.0(W)×310.0(D)×2U(H) | Weight | ≤20kg(without rectifier module) |
| Cooling mode | Natural cooling | Installation mode | Installed on 19-inch rack or inside the cabinet |
| IP Grade | IP20 | Rated Input Voltage | 220Vac (L-N) |
| Input voltage range | 90 ~ 300Vac | Input capacity (AC) | 1×63A/2P |
| Brand Name | ESTEL | Model Number | ET4805K-2U |
| Certification | ISO9001, CE, 3C, FCC, TLC | Place of Origin | Shenzhen, China (Mainland) |
| High Light | 2U sub-rack power supply ，19-inch telecom power system ，compact 2U power supply | ||
ET4805K-2U
1.Product Introduction
ET4805K-2U sub-rack power supply with 2U height compact design can meet critic application needs of fiber and microwave transmission, access device and switch. The system maximum power is 90A, with AC/battery/load MCBs. The cables are rear accessing.
2.Feature
Standard 19-inch width, versatile;
2U highly compact design, saving space and installation cost;
Intelligent management, online remote maintenance, reduce site access and maintenance costs;
Perfect battery management to extend battery life;
Provides a variety of communication ports LAN/RS232/RS485 interface, LAN-SNMP, TCP/IP to achieve flexible networking and remote monitoring;
The rectifier module and controller can be hot-swappable, convenient online maintenance;
Wide input voltage range (90~300Vac).
3.Product Applications
Wireless base station;
Network transmission;
Base stations along expressways and rail transit.
4.Specification
| Category | ET4805K-2U | |
| System | Dimension(mm) | 482.0(W)×310.0(D)×2U(H) |
| Weight | ≤20kg(without rectifier module) | |
| Cooling mode | Natural cooling | |
| Installation mode | Installed on 19-inch rack or inside the cabinet | |
| IP Grade | IP20 | |
| AC Input Distribution | Rated Input Voltage | 220Vac (L-N) |
| Input voltage range | 90 ~ 300Vac | |
| Input capacity (AC) | 1×63A/2P | |
| AC SPD | / | |
| AC Output Distribution | Output capacity (AC) | / |
| DC Distribution
| Output voltage | -42~-58VDC, rated value: -53.5VDC |
| Maximum capacity | 5.4kW | |
| Battery connection | 2×40A/1P | |
| Load breakers | BLVD:1×20A/1P+5×10A/1P | |
| Rectifier | Efficiency | ≥94%@peak value |
| Rated power | 1800W (Input Voltage:176～290Vac) | |
| Working temperature | -40℃~+75℃(fully output below 50℃) | |
| Dimension | 95.3mm(W)×230mm(D)×41.5mm(1U/H) | |
| Cooling mode | Forced cooling with fan | |
| Controller | Signal input | 3AI(2 Battery temp., 1 ambient temp), 7 DI(SPD, 6 common DI) |
| Alarm output | 6 dry contact | |
| Communication port | LAN/RS232/RS485 interface, LAN-SNMP, TCP/IP | |
| Display mode | LCD | |
| Environment
| Operating temperature | -40℃~+75℃ (When operating at full load, the temperature is not higher than 50℃) |
| Storage temperature | -40℃~+75℃ | |
| Operating humidity | 0%~95%(non-condensing) | |
| Altitude | 0~3000m (If the altitude is within the range of 2000m to 3000m, the maximum operating temperature decreases by 1℃ as the altitude increases by 200m.) | |
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2002
Total Annual:
15 Million-20 Million
Employee Number:
101~200
Ecer Certification：
Verified Supplier
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 tech... 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 tech...
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