Product Overview
The ETP48200‑B2A1 is a high‑efficiency, carrier‑grade 19‑inch 2U embedded DC power system designed for telecom transmission networks, access networks, base stations, enterprise communications and data room equipment. It converts wide‑range AC or HVDC input into stable adjustable –48V DC output, with a maximum system capacity of 10kW.
Adopting a modular, hot‑swappable design, front wiring & maintenance, and intelligent monitoring, this system ensures high efficiency, flexible configuration and reliable operation. It supports both AC (85–300VAC) and HVDC (100–420VDC) input, making it a universal embedded power solution for global telecom infrastructure.
Key Features
Standard 19‑inch 2U rack/embedded design, compact structure, space‑saving for installation
Dual input support: wide AC 85–300VAC (45–65Hz) + HVDC 100–420VDC, strong grid adaptability
Supports R4830 (2000W) high‑efficiency rectifier modules, max system power 10kW
Rectifier efficiency up to 96%, with module sleep function for further energy saving
Hot‑swappable modules: plug‑and‑play replacement without system shutdown
Full front maintenance & front wiring, easy installation and operation
Intelligent monitoring (SMU11B/SMU11C): supports FE, RS485, SNMP, remote monitoring & fault alarm
Intelligent battery management & protection, effectively extending battery service life
Wide operating temperature –40°C ~ +65°C, suitable for high‑temperature & high‑altitude environments
Complete protection: OVP, OCP, SCP, OTP, LVBD, surge protection
Protection class IP20, natural cooling, stable and reliable
Compatible with three‑phase, single‑phase and dual‑live wire input
Technical Specifications
| Item | Details |
| Model | ETP48200‑B2A1 |
| System Type | 19‑inch 2U embedded DC power system |
| AC Input | 85–300VAC, 45–65Hz; 3‑phase / 1‑phase / dual‑live wire compatible |
| HVDC Input | 100–420VDC |
| DC Output | 42–58VDC adjustable; Nominal 53.5VDC |
| Max System Power | 10kW |
| Matching Rectifiers | R4830 (2000W) |
| Rectifier Efficiency | Up to 96% |
| Monitoring Unit | SMU11B (FE/SNMP) / SMU11C (RS485) |
| Cooling | Natural heat dissipation |
| Maintenance | Full front maintenance & front wiring |
| Protection Level | IP20 |
| Dimensions (W×D×H) | 482.6 × 255 × 86.1 mm |
| Weight | Approx. 10 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, ETSI |
| Warranty | 12 Months |
| Application | Transmission network, access network, base station |
Applications
Telecom transmission network equipment
Access network & optical access equipment (OLT/ONU)
4G / 5G mobile base stations and wireless access sites
Enterprise communications & industrial network equipment
Compact equipment rooms & cabinet‑embedded scenarios
Edge data centers & critical communication loads
Why Choose Us
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.
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Powerful R&D & Customization Ability
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.
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Comprehensive OEM & OBM Services
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.
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Large Production Capacity & On‑time Delivery
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.
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Strict Multi‑level Quality Inspection
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.
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Full Lifecycle Technical & After‑sales Support
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.
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Rich Global Project Experience
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 long‑term stable cooperative partnership with you.
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