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4000W High Efficiency Output Embedded DC Power System with 19-inch 3U Embedded Design and Wide AC Input 85-300VAC for Telecom DC Power Cabinet
4000W High Efficiency Output Embedded DC Power System
,19-inch 3U Embedded Design Telecom DC Power Cabinet
,Wide AC Input 85-300VAC Rack Mount DC Power Supply
The ETP48400‑C7A3 is a high‑efficiency, compact embedded DC power system designed for telecom access networks, transmission equipment, 5G base stations, OLT devices and compact communication equipment rooms. It converts wide‑range AC input into a stable, adjustable -48V DC output with a rated power of 4000W, delivering reliable power for critical communication equipment in a standard 19‑inch 3U chassis.
Adopting a fully modular, hot‑swappable design, intelligent monitoring and comprehensive protection, this system ensures high efficiency, stable operation and easy maintenance. It is the ideal compact power solution for modern communication infrastructure requiring high reliability and space savings.
- Standard 19‑inch 3U rack/embedded design, compact structure and high space utilization
- 4000W high‑efficiency output, efficiency up to 96%, low energy consumption and heat generation
- Wide AC input range 85–300VAC, 45–65Hz, strong adaptability to unstable grids and generator power
- Stable adjustable DC output 42–58VDC (default 53.5VDC), matching various telecom equipment
- Supports hot‑swappable rectifier modules, plug‑and‑play replacement without system shutdown
- Full front maintenance & wiring, easy installation and later maintenance
- Intelligent monitoring: real‑time data display, fault alarm, remote communication (RS485/FE/SNMP)
- Intelligent battery management & protection, effectively extending battery service life
- Wide operating temperature -40°C ~ +65°C, suitable for high‑altitude & harsh environments
- Complete protection: OVP, OCP, SCP, OTP, LVBD, surge & lightning protection
- High power factor ≥0.99, low THD, green and grid‑friendly
- Protection class IP20, compliant with CE, RoHS and global telecom safety standards
| Item | Details |
|---|---|
| Model | ETP48400‑C7A3 |
| System Type | 19‑inch 3U embedded DC power system |
| AC Input | 85–300VAC, 45–65Hz; 3‑phase / 1‑phase compatible |
| DC Output | 42–58VDC adjustable; Default 53.5VDC |
| Rated Output Power | 4000W |
| Matching Rectifiers | R4875G1 |
| Peak Efficiency | Up to 96% |
| Power Factor | ≥0.99 |
| Cooling | Intelligent fan cooling |
| Maintenance | Full front maintenance & front wiring |
| Protection Level | IP20 |
| Dimensions (W×D×H) | 482.6 × 600 × 133 mm |
| Weight | Approx. 20 kg (without rectifiers) |
| Operating Temp | -40°C ~ +65°C |
| Storage Temp | -40°C ~ +70°C |
| Humidity | 5%–95% RH (non‑condensing) |
| Altitude | Up to 4000 m |
| Certifications | CE, RoHS, UL |
| Warranty | 12 Months |
| Application | Telecom access, transmission, 5G base station, OLT |
- Telecom access network & optical access equipment (OLT/ONU)
- Transmission network & microwave communication systems
- 5G / 4G base stations and wireless access sites
- Compact equipment rooms & cabinet‑embedded scenarios
- Industrial control & critical communication DC power loads
- Edge data centers & outdoor integrated communication cabinets
We are a professional manufacturer and one‑stop solution provider for communication DC power systems, boasting mature R&D strength, large‑scale production capacity and flexible service modes. We fully support OEM and OBM cooperation, helping global partners create differentiated power products and brands.
We have a professional technical team with years of experience in the power industry. We can provide personalized customized services covering power configuration, external interfaces, functional parameters, appearance design and logo printing, to satisfy diverse demands from telecom operators, system integrators and equipment manufacturers.
We offer full‑cycle cooperation support from product design, prototype testing, certification to mass production. With efficient development process and strict quality management, we help you quickly launch products and build exclusive brand advantages.
We own standardized production workshops and complete production lines. Relying on a stable supply chain and mature production technology, we maintain sufficient inventory and strong production capacity, ensuring on‑time delivery even for bulk orders and long‑term cooperative supply.
All products will pass full‑load operation test, high‑low temperature aging test, safety performance test and simulated on‑site operation test before delivery. We adopt high‑quality original components and implement strict quality control standards to guarantee long‑term stable operation of products in various harsh environments.
We establish a complete service system including pre‑sales consultation, in‑sales technical guidance and after‑sales maintenance. Our technical team responds quickly to provide remote debugging, on‑site technical guidance, equipment maintenance training and spare parts supply, protecting the stable operation of your power system all the time.
Our products have been exported to many countries and regions, widely applied in communication, data center, industrial control, new energy and other fields. With rich global project experience, we can provide targeted power solutions for different regional standards and application scenarios.
We sincerely look forward to establishing a long‑term stable cooperative partnership with you.
