| Sign In | Join Free | My china-telecommunications.com | 
 | 
Brand Name : ESTEL
Model Number : ET4805K-2U
Certification : ISO9001, CE, 3C, FCC, TLC
Place of Origin : Shenzhen, China (Mainland)
MOQ : 1
Price : 358-2143 usd
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
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.) | |
|   | 
| 2U Sub-Rack Power Supply with 2U Height Compact Design Standard 19-Inch Images | 
 19 Inch Rack Mount 48V DC Power Supply Telecom Rectifier System Solar Module
                                                                                    
                        
                        
                        
                                                            19 Inch Rack Mount 48V DC Power Supply Telecom Rectifier System Solar Module
                                                    
                        
                     IP55 Outdoor Power Cabinet Galvanized Steel PDU Battery ODF DCDU With Air
                                                                                    
                        
                        
                        
                                                            IP55 Outdoor Power Cabinet Galvanized Steel PDU Battery ODF DCDU With Air
                                                    
                        
                     Double Wall Aluminum AL5052 Outdoor Power Cabinet / Outdoor Telecom Cabinet With
                                                                                    
                        
                        
                        
                                                            Double Wall Aluminum AL5052 Outdoor Power Cabinet / Outdoor Telecom Cabinet With
                                                    
                        
                     Three Bay Telecom Shelter Outdoor Power Cabinet Cooling Base Station Cabinet
                                                                                    
                        
                        
                        
                                                            Three Bay Telecom Shelter Outdoor Power Cabinet Cooling Base Station Cabinet
                                                    
                        
                     Aluminum Steel Thermostatic Outdoor Power Cabinet Cutomized 900×900×2100 mm
                                                                                    
                        
                        
                        
                                                            Aluminum Steel Thermostatic Outdoor Power Cabinet Cutomized 900×900×2100 mm
                                                    
                        
                     Low Cost Customizable Integrated Solution Hybrid Energy Telecom Power System
                                                                                        
                                                        
                        
                        
                        
                                                            Low Cost Customizable Integrated Solution Hybrid Energy Telecom Power System
                                                    
                        
                     ET7575180A-33U Double Wall Cabinet Floor Mounted 48V Telecom Power Cabinet
                                                                                    
                        
                        
                        
                                                            ET7575180A-33U Double Wall Cabinet Floor Mounted 48V Telecom Power Cabinet
                                                    
                        
                     30U Intergrated Outdoor Power Cabinet With Rectifier System Sensors Energy
                                                                                    
                        
                        
                        
                                                            30U Intergrated Outdoor Power Cabinet With Rectifier System Sensors Energy
                                                    
                        
                     Waterproof 28U IP55 Equipment Enclosures Outdoor Electronics Cabinet
                                                                                    
                        
                        
                        
                                                            Waterproof 28U IP55 Equipment Enclosures Outdoor Electronics Cabinet
                                                    
                        
                     DC48V 450A Backup Power Supply System 19-Inch 6U Standard Rectifier Power
                                                                                    
                        
                        
                        
                                                            DC48V 450A Backup Power Supply System 19-Inch 6U Standard Rectifier Power