Tianjin Estel Electronic Science and Technology Co.,Ltd
| Payment Terms | T/T, L/C,D/A, Western Union, Paypal, etc |
| Supply Ability | 2,000 sets per month |
| Delivery Time | 15-20 working days |
| Packaging Details | Wooden case |
| Input Voltage | 90~280Vac/128～396Vdc |
| Output Voltage | -43.2~-57.6Vdc |
| Battery management | Support |
| Product name | Telecom power supply,Telecom Power system |
| Application | telecom,utility |
| Type | Telecom Rectifier,rectifier system |
| Brand Name | ESTEL |
| Model Number | GPE4890J-1 |
| Certification | ISO9001, CE, 3C, FCC, TLC, IP55 |
| Place of Origin | Shenzhen, China (Mainland) |
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Product Specification
| Payment Terms | T/T, L/C,D/A, Western Union, Paypal, etc | Supply Ability | 2,000 sets per month |
| Delivery Time | 15-20 working days | Packaging Details | Wooden case |
| Input Voltage | 90~280Vac/128～396Vdc | Output Voltage | -43.2~-57.6Vdc |
| Battery management | Support | Product name | Telecom power supply,Telecom Power system |
| Application | telecom,utility | Type | Telecom Rectifier,rectifier system |
| Brand Name | ESTEL | Model Number | GPE4890J-1 |
| Certification | ISO9001, CE, 3C, FCC, TLC, IP55 | Place of Origin | Shenzhen, China (Mainland) |
| High Light | telecom rectifier module ， dc rectifier system | ||
High Performance and High Reliability Embedded Power System
1. System Configuration
GPE4890J-1 consists of distribution unit, rectifier module (up to 3 sets) and 1 monitoring module. The configuration is optional, as following table:
| Configuration | Rectifier Module | Monitoring Module | Power Distribution | Remark |
| Standard | GPR4830 | GPM48VI (With Ethernet Port) | 4P output terminal (1×anode, 1×LVLD cathode, 1×LVBD cathode, 1×battery cathode ).
| For details, please refer to the specifications of modules. |
| Optional1 | GPR4830 | |||
| Optional 2 | GPR4815 | |||
| Optional 3 | GPR4820 |
2. Operating Principle
After AC power is controlled by the AC hydraulic switch and then through the EMI board lightning protection and filtering processing, into the rectifier module, AC hydraulic switch has the function of overload and short circuit protection to AC power.
Under normal conditions, every parameter of rectifier modules and distribution unit are all under control of the monitoring module, operating according to the pre-set parameter or user’s commands. If AC mains fault, the system will be powered by the battery. With the battery discharge, the terminal voltage of the battery starts to descend. When the battery voltage is under -46.2V±0.5V, the monitoring module reports battery under voltage alarm signal; When the battery voltage is under -45.6V±0.5V, close LVLD load output; When the battery voltage is under -43.2V±0.5V, close LVBD load output, then the power system stops working. When the external AC mains recovers, the system will resume to the normal work state. (All above monitoring data are system default values that users can reset).
3. System Features
Adoption of active power factor compensation technology with factor ＞0.99
Wide operating range of AC input voltage: 90~280Vac
Operating temperature range: -25°C~+55°C
Zero current/voltage switching tech with high efficiency ≥91%
Perfect battery management, charge & discharge management, battery temperature compensation, low voltage protection, extend battery lifetime
The monitor has sleeping function, saving energy.
Input over/under voltage protection
Output over voltage protection
Output over current protection
Output short circuit protection
Embedded mounted
4. Mechanical Specification
| Mechanical specifications | |
| Dimensions (Overall) | 482.6mm×265mm×88.1mm |
| Weight(kg) (Overall) | ≤11kg (Inclusive of module) ≤5.175kg (Frame + Distribution, exclusive of module) |
5. Dimensions Diagram
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, 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 i... Introduction Tianjin Estel Electronic Science and 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 i...
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