Xi'an, Shaanxi, China · OEM / ODM Transformer & Power Supply Manufacturer [email protected]  |  ✔ Intertek-Verified Supplier
Direct OEM/ODM Industrial Power Solutions

China Wholesale High Voltage Power Supply Factory & Exporters Serving San Pedro Sula

Delivering mission-critical SMPS, adjustable high-potential DC units, and custom magnetic transformers engineered for the harsh electrical and tropical operating realities of San Pedro Sula and the Valle de Sula industrial maquiladora corridor.

Precision Engineered Solutions

Featured Power Conversion Systems & Switching Modules

Factory-direct OEM/ODM switching power supplies, high-voltage converters, regulated DC bench supplies, and magnetic transformers pre-calibrated for Honduran manufacturing lines, automation machinery, and telecommunications nodes.

Multi-Voltage DC Switching Power Supply 24V 36V 48V 60V 72V 100V 200V 24vdc AC to DC Power Supply

Switching Power Supply 24V 36V 48V 60V 72V 100V 200V 24vdc AC to DC 1A 2A 3A 2.5A 5A 8A 10A 15A Power Supply

24V to 200V DC 1A to 15A Range High Dielectric Isolation
High-Current Industrial 120V 220V AC to 48V DC 30 40 50 Amp Custom Power Supply LRS Series

120V 220V AC to 48V DC 30 40 50 Amp 30Amp 40Amp 50Amp LRS-75-5 LRS-12-5 Custom Power Supply

48V DC High-Amp 30A / 40A / 50A Dual Input 120/220V
Compact CCTV & Comms 5V 2A Factory Price Power Adapter Custom AC DC Plug Electric Vehicle Charger for Router CCTV

5V 2A Factory Price Power Adapter Custom AC DC Plug Electric Vehicle Charger for Router CCTV

5V 2A Output CCTV & Router Ready Class VI Efficiency
EMC / LVD Certified Fullstar Custom EMC LVD CE 220V 110V AC DC Switching Power Supply SMPS 24V 60Hz 100W 5A

Fullstar Custom EMC LVD CE 220V 110V AC DC Switching Power Supply SMPS 24V 60Hz 100W 5A

24V 5A / 100W Native 60Hz Tuning CE / EMC Compliant
High Power 600W 12V 50A 600W Adjustable DC Power Supply Regulated Switching Power Supply for Neon Flex and LED Driver

12V 50A 600W Adjustable DC Power Supply AC 110V/220V to 12V Regulated Switching Power Supply with CE for Neon Flex & LED Driver

12V 50A Regulated 600W Rating Adjustable V-Trim
Wall-Mount Adapter 5V 1A 5W AC DC Switching White Power Adapter Wall Plug Class VI 100-240V CE FCC

5V 1A 5W AC DC Switching White Power Adapter Wall Plug Class VI 100-240V CE FCC

Universal 100-240V 5V 1A Regulated Level VI Standby
Heavy-Duty Chassis AC DC Switch Mode Power Supply 12V 24V 48V 1A to 50A Industrial Power Supply

AC DC Switch Mode Power Supply 12V 24V 48V 1A 2A 3A 5A 10A 20A 30A 40A 50A 24vdc Power Supply

Perforated Casing Up to 50A Output Built-in OVP/OCP
LED Driver / Signage SMPS 12V 24V 48V AC DC Smps Power Supply 12v150w Led Driver Power Supply

SMPS 12V 24V 48V 2.5A 5A 8.3A 10A 15A 16.7A 20A 25A 30A AC DC Smps Power Supply 12v150w Led Driver Power Supply for Led

150W Solid State Ultra-Low Ripple Continuous Duty
100%
Full Load Hi-Pot & Aging Tested
4.8 / 5.0
Verified Customer Satisfaction
>92%
Peak Conversion Efficiency
50,000+
Hours MTBF Continuous Duty
Engineering White Paper

Bridging San Pedro Sula's Severe Grid Volatility with Resilient High Voltage Power Engineering

San Pedro Sula is undeniably the industrial engine of Honduras and the wider Central American manufacturing landscape. Generating approximately two-thirds of the nation's industrial gross domestic product, the city and its adjacent manufacturing corridor across the Sula Valley—anchoring free trade zones (Zonas Industriales de Procesamiento, or ZIPs) in Choloma, Villanueva, and La Lima—operate under intense production schedules. However, this high concentration of heavy machinery, automated circular textile knitting equipment, large-scale injection molding lines, and industrial chilling plants places immense stress on the local municipal distribution grid managed by the Empresa Nacional de Energía Eléctrica (ENEE).

Industrial operations in San Pedro Sula routinely battle severe utility power fluctuations. Voltage sags dropping below 95 VAC on nominal 120V lines, momentary high-voltage spikes exceeding 1,200 volts caused by switching inductive plant loads, and elevated total harmonic distortion (THD) are constant threats. When unshielded or standard-grade commercial switching power supplies (SMPS) or high-voltage DC excitation equipment are deployed in these facilities, they exhibit rapid electrolytic capacitor degradation, MOSFET junction thermal runaway, and unexpected logic lockups that halt critical assembly lines.

Shaanxi Zelqo Power Co., Ltd. engineers and exports heavy-duty AC-to-DC switching power supplies, high-voltage transformers, and custom magnetics specifically built to neutralize these environmental challenges. By incorporating ultra-wide AC input tolerances (85V–264V single phase, and wide 3-phase options), active power factor correction (PFC > 0.98), robust Class-H copper magnetics, and advanced multi-stage surge suppression topologies, our power supplies deliver clean, uninterrupted, tightly regulated rail power to Honduran industrial consumers.

Critical Grid Resilience Specifications
  • Ultra-Wide Input Windows: Operating seamlessly between 85 VAC and 264 VAC at 60 Hz without derating, preventing brownout shutdowns during peak afternoon grid draws in Cortés.
  • Industrial Class III Surge Immunity: Built-in metal oxide varistor (MOV) arrays and gas discharge tubes capable of absorbing transient surges up to 4kV/6kV (EN61000-4-5).
  • Conformal Moisture & Salt Protection: Multi-layer IPC-CC-830 certified acrylic or polyurethane conformal coating safeguarding copper tracks against Sula Valley's 85%+ relative humidity.
  • Advanced Active Thermal Dissipation: High-grade dual ball-bearing brushless fans paired with oversized aluminum extrusion heat sinks rated for 60°C continuous plant ambients.
Localized Deployment

Industrial Application Scenarios in San Pedro Sula

Our specialized high-voltage modules, custom transformers, and heavy-duty enclosed SMPS are tailored directly for key industrial sectors across the department of Cortés.

Textile & Apparel Maquiladoras (ZIP Choloma, ZIP San José)

San Pedro Sula is world-renowned for its cut-and-sew garment and synthetic fabric extrusion maquilas. Our 24V, 48V, and custom high-potential DC units drive computerized multi-head embroidery machines, automated laser textile cutting tables, electrostatic pinning mechanisms, and hot-melt bonding presses that cannot tolerate microsecond voltage dips.

Electrostatic Pinning CNC Embroidery Zero Ripple

Plastics, Polymer Extrusion & Packaging

High-voltage discharge power supplies (10kV to 30kV DC) and high-frequency ferrite transformers are critical for surface corona treating on polyethylene and polypropylene films before flexographic printing. Our high-voltage supplies provide micro-arc suppression and precision current limiting, preventing substrate puncture while ensuring ink adhesion.

Corona Treatment Arc Protection High Frequency

Agro-Industrial, Palm Oil Mills & Beverage Bottling

From African palm processing plants along the Sula basin to high-speed carbonated beverage bottling facilities, our rugged enclosed power modules supply telemetry instruments, PLC backplanes, variable frequency drive (VFD) controls, and industrial UV purification disinfection lamps requiring sustained high strike voltages.

PLC Clean Power UV Disinfection IP65 Sealed
Engineering Specifications

Industrial Power Supply Technical Comparison Matrix

Standard commercial off-the-shelf power modules fail prematurely in tropical Central America. Review how Shaanxi Zelqo Power's heavy-duty industrial configurations out-engineer standard units.

Performance Parameter Generic Commercial Grade Units Zelqo Power San Pedro Sula Industrial Grade Significance for Honduran Plants
Input AC Voltage Window 110V/220V Manual Switch ±10% 85V – 264V Continuous Auto-Ranging Prevents logic trips during ENEE grid voltage sags
Frequency Compatibility 50Hz or 60Hz unoptimized Optimized 60Hz Magnetic Circuitry Low core losses, zero magnetic saturation humming
Operating Ambient Temp 0°C to 40°C (rapid derating above 40°C) -20°C to +70°C (Full load to 50°C) Reliable in un-airconditioned manufacturing warehouses
Humidity & Environmental Seal Bare PCB, no protective spray IPC-CC-830 Certified Conformal Coating Stops dendrite growth and corrosion in 85%+ RH
Hi-Pot Dielectric Withstand 1.5kV AC Input to Output 3.0kV to 5.0kV AC Reinforced Isolation Guarantees operator and downstream PLC safety
Capacitor Thermal Rating 85°C rated commercial caps (2,000 hrs) 105°C / 125°C Low-ESR Capacitors (10,000 hrs) Extends power supply operational lifespan beyond 7 years
Technological Megatrends in Cortés Manufacturing
  • Shift to Smart Automated Machinery: Maquila modernization requires DC power supplies with RS485/Modbus communication for predictive voltage monitoring and fault logging.
  • Hybrid Microgrid Integration: Rapid adoption of rooftop solar PV arrays in industrial parks creates DC-bus inter-ties requiring bi-directional DC-DC stability and robust input filtering.
  • Strict Energy Efficiency Regulations: Central American factories are enforcing 80 Plus Platinum and Class VI energy conversion norms to combat high kilowatt-hour tariffs.
Strategic Market Evolution

Localized Industrial Development Trends Across the Sula Valley Corridor

Over the past five years, Honduras's industrial strategy has pivoted dramatically from basic low-tier assembly toward high-speed, automated production lines. Driven by global nearshoring dynamics, international brands are investing heavily in automated knitting, precision medical device cleanrooms (in parks like Green Valley Advanced Manufacturing Hub), and automotive wiring harness fabrication. These sophisticated robotics and PLC networks require ultra-stable DC voltages with ripple and noise values below 50mV peak-to-peak.

Simultaneously, the skyrocketing cost of electrical energy in Honduras—often exceeding $0.18 to $0.24 per kilowatt-hour for commercial users—has compelled plant engineering directors to replace antiquated transformer rectifiers with high-efficiency LLC resonant switch-mode topologies. Shaanxi Zelqo Power Co., Ltd. is at the forefront of this transition, exporting state-of-the-art switching modules achieving >92% conversion efficiency, directly slashing parasitic HVAC cooling costs inside electrical control enclosures.

Why Choose Shaanxi Zelqo Power

Direct Chinese Manufacturing Pedigree Verified by Intertek

Headquartered in Xi'an, Shaanxi, China, our manufacturing infrastructure combines deep academic magnetics research with high-volume precision production verified by independent international auditors.

Intertek-Verified Operations

Our on-site manufacturing premises, production capacity, automated winding machines, and corporate management systems are comprehensively audited and certified by Intertek, ensuring zero compliance risk for Honduran procurement teams.

100% In-House Magnetic Design

Unlike generic assemblers who buy standard off-the-shelf coils, our engineers calculate custom toroidal, ferrite EE/PQ, and EI laminations in-house. We match flux density and winding geometry specifically to 60Hz Honduran utility inputs.

Multi-Stage QC & Full Burn-in

Every single power unit undergoes digital LCR testing, primary-to-secondary dielectric hi-pot testing up to 5,000V, inter-turn impulse insulation verification, and a mandatory 4-hour 100% full-load thermal burn-in before export packaging.

Procurement Knowledge Base

Frequently Asked Questions by San Pedro Sula Buyers

Everything plant managers, electrical engineers, and import specialists in Honduras need to know about importing industrial power systems directly from our factory in China.

Are your switching power supplies and high-voltage modules fully compatible with Honduras's 60 Hz electrical grid?
Yes. While some generic Asian equipment is designed strictly for 50 Hz systems, all power supplies, toroidal transformers, and SMPS manufactured by Shaanxi Zelqo Power for the Honduran market are natively wound and tuned for 60 Hz operation. Our active PFC stages and magnetic cores operate without core saturation or parasitic heating on 110V, 120V, 208V, 220V, 240V, and 480V 3-phase systems commonly found in San Pedro Sula's industrial parks.
What is the maritime transit time and typical shipping route from your factory to Puerto Cortés?
Puerto Cortés is Central America's deepest and most efficient Caribbean deep-water port, located just 55 kilometers north of San Pedro Sula. Ocean container freight originating from our export hubs in Qingdao, Shanghai, or Shenzhen generally transits via the Panama Canal to Puerto Cortés in 28 to 35 calendar days. For urgent factory breakdown situations or custom prototype builds, express air cargo directly into Ramón Villeda Morales International Airport (SAP) in San Pedro Sula takes just 5 to 7 working days.
How do you protect power electronics against the high humidity and ambient temperatures of San Pedro Sula?
San Pedro Sula experiences tropical temperatures exceeding 38°C and relative humidity levels frequently surpassing 85%. To prevent electrical tracking, dendritic growth, and electrochemical corrosion, we treat all printed circuit assemblies with heavy robotic dual-pass acrylic conformal coating conforming to IPC-CC-830. Critical magnetics and high-voltage modules are vacuum-potted in thermally conductive epoxy resin, and cooling fans utilize IP55-rated sealed ball-bearing mechanisms.
Can you engineer drop-in replacements for obsolete or costly European and American power supplies?
Absolutely. Over 40% of our production consists of custom ODM/OEM builds. If you have legacy European (230V 50Hz) or discontinued American power supplies inside German, Italian, or US machinery, our Xi'an engineering team can reverse-engineer or customize the exact physical form factor, pinout, voltage rail sequencing, and electrical specs while providing factory-direct pricing and modern efficiency improvements.
What documentation and certifications are provided for Honduran customs clearance and factory audits?
We provide full export documentation required by Honduran Customs (Servicio de Administración de Rentas - SAR), including commercial invoices, detailed packing lists, certificates of origin, and bill of lading (B/L). Furthermore, our power supplies come complete with CE (EMC/LVD), RoHS verification, Intertek factory assessment reports, and serialized factory quality inspection test sheets verifying dielectric hi-pot and burn-in results.
What is the Minimum Order Quantity (MOQ) and warranty support for industrial customers in Cortés?
For standard industrial power supplies and chassis SMPS, our minimum order quantity starts as low as 50 to 100 units, while specialized high-voltage or custom toroidal units can be sampled in prototype quantities (1 to 5 units). We back our industrial series with a comprehensive 24 to 36-month factory warranty, offering swift component replacement and direct remote technical access to our electrical engineering staff.

Upgrade Your Industrial Power Infrastructure Today

Connect directly with our senior application engineers in Xi'an. Download our comprehensive industrial power supply engineering catalog or request a customized B2B quotation tailored to your plant's electrical specifications in San Pedro Sula.

Direct Factory Response Within 24 Business Hours • Technical Drawings & Sample Prototypes Available • Intertek-Verified Manufacturer