Advanced power topologies engineered to withstand Central European 230V/400V grid dynamics, harsh climatic tolerances, and strict CE/EMC directives.
As the administrative, educational, and commercial anchor of the Autonomous Province of Vojvodina, Novi Sad has emerged as one of Southeast Europe's primary high-tech, logistical, and light manufacturing hubs. The aggressive implementation of smart municipal infrastructure along the Danube corridor, combined with broad-scale commercial upgrades across districts such as Liman, Detelinara, and the emerging industrial corridors along the E-75 highway, has generated unprecedented demand for resilient, high-efficiency electrical power conversion hardware.
Shaanxi Zelqo Power Co., Ltd. delivers direct factory-engineered switched-mode power supplies (SMPS), low-profile architectural drivers, and robust DIN-rail systems optimized specifically for regional procurement standards. Our engineering focuses on high Mean Time Between Failures (MTBF > 250,000 hours), rigorous high-pot isolation to withstand distribution network transients, and compliant electromagnetic emission profiles designed to integrate into complex automated enclosures without noise pollution or parasitic line disturbances.
Regional electrical networks across Serbia operate at a nominal 230V single-phase / 400V three-phase (50 Hz). However, rapid industrial zone expansion often yields periodic localized voltage harmonics, heavy inductive surges from processing plants, and severe thermal cycles oscillating between sub-zero continental winters (-15°C) and torrid Pannonian summer peaks (+38°C).
Zelqo Power equips its industrial and outdoor LED converters with comprehensive wide-input architectures (85V–264V AC / 176V–264V AC), high active Power Factor Correction (PFC > 0.95), and primary-to-secondary dielectric strength ratings up to 3.75kV AC, ensuring absolute operational continuity for commercial fitouts, architectural projects, and automation control arrays.
Precision-engineered AC/DC conversion hardware available for direct shipment, project consolidation, and custom OEM manufacturing for Novi Sad contractors.
Honeycomb convection cooling chassis engineered for narrow millwork, architectural coves, and signage extrusions where low vertical clearance is required.
Forced-air cooled powerhouse with dual-line filtering, zero-voltage switching topology, and thermal overload latching for heavy industrial signage and panels.
TS-35/7.5 or TS-35/15 rail-mountable unit built for surveillance enclosures, telemetry stations, and automated machine distribution cabinets.
Multi-current enclosed power driver offering high dielectric withstand capabilities and high-density packaging across 12V, 24V, and 48V DC rails.
Onboard potentiometer for fine voltage trimming (±10%), ideal for long cable drops across architectural building facades and expansive neon flex installations.
Fully isolated external power adapter configurable with EU/UK mains leads, custom barrel jacks, and comprehensive short-circuit protection for equipment consoles.
Full silicone-potted aluminum casing offering complete protection against moisture intrusion, sulfur corrosion, and dust; optimized for Petrovaradin exterior lighting.
Ultra-compact step-shaped housing compliant with DIN 43880 standards for home and building automation breaker panels, security, and low-voltage controls.
Tailoring switching power supply performance to specific architectural, urban, and industrial environments across Vojvodina.
Historical monuments such as the Petrovaradin Fortress, the Name of Mary Church, and the historic center of Novi Sad require lighting systems that preserve aesthetic harmony while withstanding outdoor elements. Our IP67 potted neon and LED transformers eliminate audible hum, prevent high-frequency flickering during international televised events (such as the EXIT Festival), and maintain complete ingress defense against rain, snow, and condensation along the Danube embankment.
The expansion of foreign direct investments across Novi Sad’s Industrial Zones North and South (including automotive parts manufacturing and electronics assembly) demands rugged DIN-rail and enclosed SMPS platforms. Our EDR and HDR series withstand heavy plant electromagnetic interference (EN 61000-6-2 immunity), operating reliably in machine vision, PLCs, safety interlocks, and warehouse high-bay automation.
From extensive shopping centers like Promenada and BIG Novi Sad to perimeter billboards along the Corridor X motorway, digital signage requires constant, clean power. Our 360W and 600W regulated units with active cooling prevent thermal derating under direct midday solar load, delivering ultra-low ripple voltage (<120mVp-p) that preserves LED diode lumen output and prevents premature color-shifting.
Critical industry shifts impacting procurement specifications, energy compliance, and system design across Serbia.
While Serbia maintains independent national standards (SRPS), national public procurement rules and Tier-1 general contractors in Novi Sad increasingly mandate strict adherence to European Union standards. This includes the Ecodesign Directive (2009/125/EC), requiring standby power consumption under 0.5W, active PFC > 0.95 for luminaires over 25W, and full compliance with RoHS and REACH substance restrictions. Zelqo Power manufactures exclusively with eco-conscious primary raw materials, providing compliant technical documentation files.
Commercial and smart-office construction in Novi Sad is pivoting from traditional 12V strip runs to 24V and 48V DC bus schemes. High-voltage DC topologies reduce line current by up to 75%, slashing copper conductor costs and virtually eliminating I²R ohmic voltage drops across expansive cable runs. Our wide range of 48V SMPS and DIN-rail systems matches this architectural evolution perfectly, ensuring uniform luminaire brightness from the driver cabinet to the furthest luminaire run.
Municipal initiatives in Novi Sad focusing on sustainable urban development are converting public and roadway illumination to centrally metered, dimmed LED luminaires. Modern switching power supplies must support clean dimming curves without inducing audible coil whining or harmonic resonance on the electrical distribution system. Zelqo Power designs drivers with custom auxiliary winding rails and ultra-stable feedback loops to integrate smoothly with smart city controllers.
Given macroeconomic shifts and transport corridor pressures, engineering firms in Novi Sad are bypassing multi-tiered European distributors in favor of direct relationships with verified Chinese OEM/ODM factories. Direct procurement secures traceable component lineages, customizable mechanical housings, and significantly improved unit pricing—free of third-party markup.
| Series Model | Nominal Output Rails | Efficiency | Protections Included | Ingress / Form Factor | Key Novi Sad Application |
|---|---|---|---|---|---|
| Slim LED Series | 12V, 24V DC (60W–300W) | >88% | Short Circuit / Overload / OVP | IP20 / Ultra-Slim Aluminum | Interior Millwork, Cove & Retail Strip Lighting |
| Industrial 360W/600W | 12V, 24V, 48V DC (Up to 50A) | 89% – 92% | Thermal Cutoff / Hiccup Auto-Recovery | IP20 / Steel Perforated Case | Large Illuminated Signage, CNC, DOOH Displays |
| EDR / HDR Rail | 12V, 24V, 48V DC (15W–240W) | 87% – 93% | Overvoltage / Current Limiting | IP20 / TS-35 Rail Industrial | Factory Automation, PLC Panels, CCTV Hubs |
| Outdoor Waterproof | 12V, 24V DC (30W–400W) | >90% | Full Encapsulation / Surge 4kV | IP67 / Silicone Potted Aluminum | Petrovaradin Facades, Bridges, Outdoor Neon Flex |
Full-spectrum in-house manufacturing, verified testing infrastructure, and proven OEM/ODM engineering capabilities.
Our head office and manufacturing facilities in Xi'an, Shaanxi, are independently verified on-site by Intertek. Buyers enjoy complete transparency across production capacity, trade authenticity, and quality governance.
Unlike pure assembly plants, Zelqo Power winds its own high-frequency transformers, common mode chokes, and toroidal cores. We engineer optimal core sizes (EE, PQ, RM) to achieve peak efficiency and minimal thermal footprint.
Every batch undergoes rigorous multi-station quality gates: LCR bridge testing, DC winding resistance, impulse insulation testing, precision hi-pot dielectric tests, and 100% full-load aging tests before export packing.
We offer full customization for regional Serbian partners: private label silk-screening, tailored terminal blocks, bespoke cable leads, specialized voltage trimmings, and retail or contractor-grade pallet packaging.
Clear, expert answers on logistics, grid compatibility, certifications, and technical integration for Serbian engineering projects.
Connect directly with Zelqo Power’s application engineers. We evaluate your circuit schematic, confirm thermal constraints, and prepare transparent direct-factory quotations within 24 hours.