ZGQNYI LRS-35-12 12V Compact Switching Power Supply
12V DC Output
35W Enclosed
Telecom Access
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Precision Telecom Hardware
High-Efficiency SMPS Series Optimized for Base Station Nodes
Engineered with wide AC input ranges, high-grade electrolytic filtering, and low thermal derating, perfectly aligned with Nha Trang’s demanding outdoor cabinet environments.
ZGQNYI LRS-60-15 Industrial 15VDC Compact Power Supply
15V Output
60W Low Profile
Sensor Arrays
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ZGQNYI LRS-120-24 120W 24V Industrial Switching SMPS
24V Output
120W Regulated
Cabinet Control
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ZGQNYI LRS-100-48 48V 100W AC to DC Base Station PSU
48V Standard DC
100W High Eff
BBU / RRU Support
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ZGQNYI LRS-50-36 Industrial Switching PSU 36V Enclosed
36V Output
50W Compact
Aux Systems
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ZGQNYI LRS-60-24 24VDC Constant Voltage Power Supply
24V Constant
60W Low Ripple
Cabinet Logic
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ZGQNYI LRS-75-48 Industrial 48VDC Single Output SMPS
48V Native Telecom
75W Industrial
PoE / Optical Repeater
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ZGQNYI LRS-35-24 24VDC Compact Enclosed SMPS
24V Output
35W Fanless
Panel Automation
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Geographical Engineering
Engineering 5G Power Architecture for Nha Trang's Microclimate
Deploying telecommunication power gear along Khanh Hoa Province’s coastline involves distinct environmental obstacles that generic industrial power supplies cannot reliably survive.
Severe Marine Salinity & Humidity
Nha Trang features annual relative humidity hovering between 78% and 86% coupled with intense atmospheric marine salt-fog. Our power units designed for local deployment undergo strict conformal coating procedures (polyurethane or silicone-based resin), isolating fine SMD pathways from salt-creep failure and catastrophic electrochemical migration.
Thermal Cabinet Saturation
Tropical insolation across Khanh Hoa produces outdoor base station cabinet internal temperatures exceeding 55°C. Standard power supplies suffer intense efficiency penalties and thermal breakdown. Our LRS and NDR families utilize aluminum chassis with enhanced heat-fin dissipation profiles and 105°C-rated long-life Japanese-spec electrolytic capacitors.
Grid Volatility & Monsoonal Spikes
Coastal storms and rapid switching surges across tourist corridors subject power feeds to unpredictable voltage drops and transient spikes. Incorporating an ultra-wide input voltage corridor (85V–264VAC) and robust 300VAC surge-withstand capability for 5 seconds guarantees continuous uninterrupted feed to sensitive baseband processing modules.
Specification Breakdown
5G Base Station SMPS Operational Parameters Matrix
Review technical characteristics critical for optical transmission hubs, remote radio units (RRUs), and distributed antenna systems (DAS).
| Series Configuration | Nominal Output | Efficiency Rating | Protection Schemes | Telecom Node Tier |
|---|---|---|---|---|
| LRS-100-48 Telecom Tier | 48V DC @ 2.3A | 90.0% | Short Circuit / Overload / Overvoltage | BBU Baseband & Optical Splitters |
| LRS-75-48 Direct Feed | 48V DC @ 1.6A | 89.5% | Active Surge Clamp, Auto-Recovery | Cellular Repeaters & Microwave Links |
| LRS-120-24 Logic Driver | 24V DC @ 5.0A | 89.0% | Hiccup Mode, Over-Temperature Cutoff | Environmental Controllers & Cooling |
| NDR-240-24 DIN System | 24V DC @ 10.0A | 88.5% | Constant Current Limiting, Over-Voltage | Power Distribution Cabinet Rails |
| High Power Adjustable | 12V–220V (Up to 18kW) | > 92.5% | Active PFC, RS485 Bus, Soft Start | Central Carrier Headend / Micro DC |
Market Intelligence
Strategic Infrastructure Trends in Khanh Hoa & Nha Trang
How the evolution of Vietnam's national digital strategy and Nha Trang's regional master plan translate into specific power supply requirements.
Smart Tourism & High-Density Small Cells
Nha Trang’s transformation into an international luxury tourism hub necessitates dense localized network throughput. Mobile operators (Viettel, VNPT, MobiFone) are expanding micro-cell deployments along Tran Phu Boulevard and island resort corridors (Hon Tre, Hon Tam). These outdoor poles require low-profile, weather-sealed, fanless power components that blend into existing street furniture.
Off-Grid Island & Hybrid Microgrids
Archipelago telecom repeaters surrounding Nha Trang Bay increasingly draw power from hybrid photovoltaic-battery installations. Our power supplies, offering dual constant voltage/constant current (CV/CC) capabilities with RS485 remote telemetry, enable automated battery buffering without over-stressing charging banks during intermittent generation phases.
Energy Efficiency Directives (Green Telecom)
With operational expenditures (OPEX) under heavy scrutiny due to rising electricity tariffs, regional telecom operators demand energy ratings minimizing phantom idle loads. Delivering operational efficiencies surpassing 90% significantly curtails heat output inside closed cabinets, diminishing auxiliary cooling requirements and overall carbon footprint.
Manufacturer Heritage
Wenzhou Nuvros Electric Co., Ltd.
Situated in Beibaixiang Town, Wenzhou—China’s prominent low-voltage electrical equipment nucleus—our manufacturing infrastructure integrates design, precision assembly, and rigorous life-testing protocols.
- Engineering Team: 18 years focused entirely on precision AC/DC and DC/DC conversion.
- Massive Scalability: 10,000 m² plant producing over 500,000 tested SMPS units monthly.
- Full Reliability Testing: 100% full-load burn-in testing, simulated thermal chamber cycling, and vibration assurance.
- Global Certification: CE and RoHS listed models backed by complete traceability documentation.
Procurement Support
Frequently Asked Questions by Vietnam Buyers
Addressing common queries from local telecom contractors, electrical engineers, and hardware integrators operating in Nha Trang and across Khanh Hoa.
Why is 48V DC the standard voltage for 5G telecom deployments in Nha Trang?
A -48V DC (or positive referenced 48V DC) power rail represents the historic telecom standard because it limits electrical current levels over copper wiring—minimizing line loss (I²R losses) while operating safely below human voltage-shock hazard thresholds (Safety Extra Low Voltage, SELV). Furthermore, 48V DC creates minimal galvanic corrosion along ground loops compared to alternate voltages, an essential consideration in humid, high-saline coastal settings like Nha Trang.
Can Nuvros supplies be treated with specialized conformal coatings for coastal dampness?
Yes. While standard SMPS units function effectively in sheltered rooms, our production line offers automated double-dip or precision-spray conformal coating (conforming to IPC-CC-830 standards) upon request. This protection creates a moisture-resistant barrier across solder traces, capacitor legs, and transformer windings, preventing salt corrosion and electrolytic tracking in Nha Trang’s seaside cabinets.
What is the typical shipping transit time and incoterms to Nha Trang Port or Cam Ranh?
We handle standard trade terms including FOB (Ningbo/Shanghai), CFR, CIF (Cam Ranh Port or Cat Lai Port, HCMC), and DDP directly to your warehouse in Khanh Hoa Province. Sea-freight transit from Ningbo to southern/central Vietnamese ports typically ranges from 5 to 9 days, while priority urgent samples can be cleared via air express within 48 to 72 hours.
How do you assist with Vietnamese customs declarations, Certificate of Origin (Form E), and CE compliance?
As a registered direct manufacturer in China, we routinely prepare the ASEAN–China Free Trade Area Preferential Tariff Certificate of Origin (Form E). This documentation enables Vietnamese importers to leverage preferential zero-or-reduced tariff rates. Full testing certificates (CE-LVD, CE-EMC, RoHS reports) are supplied concurrently with shipping invoices.
What are the minimum order quantities (MOQ) for custom voltage ranges or buyer branding?
Standard models (such as LRS-35, LRS-60, LRS-100-48) are maintained in active warehouse buffer inventory and can be sampled starting from single-carton increments (1 piece for testing). For private label OEM marking, custom wire harnesses, or modified output voltage windows (e.g., 54.4V float charge targets), MOQs depend on specific engineering runs—frequently starting from 200–500 units.
Build Resilient 5G & Industrial Infrastructure in Nha Trang
Consult with our power system application engineers today. Receive comprehensive technical datasheets, circuit schematics, custom coating options, and a direct factory quotation within 1 hour.