ESTEL (GUANGDONG) TECHNOLOGY CO., LTD.
| Payment Terms | T/T, Western Union |
| Supply Ability | 5000 |
| Delivery Time | 25~35 |
| Packaging Details | wooden case |
| Output type | Single phase |
| Input voltage | 380AVC |
| Output voltage | DC48V |
| Output current | 10A, 20A, 32A, 63A, 80A |
| Application | telecom,utility,Industrial Automation,Electric Power Transmission,BTS |
| Type | Telecom Rectifier, DC rectifier system,telecom rectifier for switching power supply |
| Efficiency | 96% |
| Warranty | 1 Year |
| Size | 482.6mm*350mm*5U |
| Product name | rectifier system,Telecom power supply,Telecom Power system |
| Weight | ≤30kg（without rectifier module） |
| Color | Black |
| Working temperature | -40℃~+75℃ |
| Material | Aluminum Shell |
| Mount | 19inch Rack Mounting |
| Rectifier module | 6*3000W |
| Output | 48VDC |
| Brand Name | ESTEL |
| Model Number | ET48300-M5Q65 |
| Certification | CE UL FCC |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T, Western Union | Supply Ability | 5000 |
| Delivery Time | 25~35 | Packaging Details | wooden case |
| Output type | Single phase | Input voltage | 380AVC |
| Output voltage | DC48V | Output current | 10A, 20A, 32A, 63A, 80A |
| Application | telecom,utility,Industrial Automation,Electric Power Transmission,BTS | Type | Telecom Rectifier, DC rectifier system,telecom rectifier for switching power supply |
| Efficiency | 96% | Warranty | 1 Year |
| Size | 482.6mm*350mm*5U | Product name | rectifier system,Telecom power supply,Telecom Power system |
| Weight | ≤30kg（without rectifier module） | Color | Black |
| Working temperature | -40℃~+75℃ | Material | Aluminum Shell |
| Mount | 19inch Rack Mounting | Rectifier module | 6*3000W |
| Output | 48VDC | Brand Name | ESTEL |
| Model Number | ET48300-M5Q65 | Certification | CE UL FCC |
| Place of Origin | China | ||
| High Light | Telecom Power System Rectifier System ，Telecom Rectifier System ，High Efficiency Telecom Rectifier System | ||
Product Overview
The 18kW rack-mounted DC power system is a high-capacity solution designed for telecom networks, data centers, and industrial facilities requiring reliable DC supply. It supports 380VAC three-phase input, delivering a stable –43 to –58VDC output with a rated value of –53.5VDC. With a maximum capacity of 18kW, this system ensures sufficient power for large-scale applications while maintaining efficiency above 96%.
The system integrates up to 6 rectifier modules(N+1 redundancy), each rated at 3000W and weighing ≤2kg. These modules feature forced cooling, high power factor ≥0.99, and THD ≤5%, ensuring clean and stable DC power conversion. With front maintenance, top cable entry, and IP20 protection, the design prioritizes safety, serviceability, and ease of integration into 19-inch racks.
DC distribution includes 2*80A/2P battery breakers and 2*LLVD & 1*BLVD, providing flexible and secure load management. The intelligent controller supports 2 analog inputs, 8 digital inputs, 8 dry contact alarms, and remote communication via RS232/485 and SNMP. Local monitoring is enabled through an LCD display.
Built for challenging environments, the unit operates from –40℃ to +65℃, withstands 5–95% non-condensing humidity, and maintains stable operation at altitudes up to 3000m. With its modular architecture and robust performance, the 18kW 5U DC power system is an ideal choice for critical infrastructure requiring scalable and dependable energy solutions.
System
Dimension: 482.0(W) × 350.0(D) × 5U(H)
Weight: ≤30kg (without rectifiers)
Cooling mode: Natural cooling
Installation mode: Installed on 19-inch rack or inside the cabinet
Cabling mode: Top inlet and top outlet
Maintenance mode: Front maintenance, support module grade change
Protection level: IP20
AC Distribution
Input mode: 380VAC three-phase
Input frequency: 45–66Hz, rated value: 50Hz/60Hz
AC SPD: 20kA/40kA, 8/20μs
DC Distribution
Output voltage: –43 ~ –58VDC, rated value: –53.5VDC
Maximum capacity: 18kW(6*3kw, N+1 redundancy)
Battery breakers: 2*80A/2P
Load breakers:
LLVD1: 1*32A/1P+2*63A/1P+1*80A/1P; LLVD2: 1*32A/1P+2*63A/1P+1*80A/1P;
BLVD: 4*10A/1P+2*20A/1P
DC SPD: 10kA, 8/20μs
Rectifier
Input voltage: 380VAC three-phase
Efficiency: >96%
Rated power: 3000W (176–300VAC)
Working temperature: –40℃ ~ +75℃ (full output below 50℃)
Dimension: 106.5mm(W) × 286mm(D) × 41.5mm(H) (1U/H)
Weight: ≤2kg
Cooling mode: Forced cooling
Power factor: ≥0.99
THD: ≤5%
DC output: –43 ~ –58VDC, rated –53.5VDC, maximum 55A
Controller
Signal input: 2 AI (1 Battery temp., 1 ambient temp), 8 DI
Alarm output: 8 dry contact
Communication port: RS232/485, SNMP
Display mode: LCD
Environment
Operating temperature: –40℃ ~ +65℃ (full output below 50℃)
Storage temperature: –40℃ ~ +70℃
Operating humidity: 5% ~ 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 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, manufa... Introduction 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, manufa...
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