DIN Rail · 24V 10A
18+ Years
SMPS Manufacturing Track Record
TÜV Rheinland
Verified Facility & CE Compliant
100%
Full-Load Burn-In Tested
44 Staff
Dedicated Engineering & Export Team
Engineered For Automation
Featured Industrial SMPS Power Conversion Modules
Precision-manufactured Switched-Mode Power Supplies (SMPS) meeting rigorous European EMC directives, EN 62368-1 safety architectures, and low ripple noise standards demanded by Celje equipment builders.
High Power · Laser Lab
Fuente De Alimentacion Variable 1000W AC DC 24V 41.7A Adjustable Power Source for Laser Lab Use
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Active PFC · Heavy Duty
NDR-240 240W DIN Rail Power Supply 90-264VAC Universal Input with Active PFC 24V 10A 48V 5A Industrial Switching Power Supply
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Building Automation
30W Industrial DIN Rail Power Supply 24V 1.5A AC DC Converter for PLC Control Cabinet & Building Automation
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Universal Input · 100W
HDR-100 100W DIN Rail Power Supply 85-264VAC Universal Input 12V 24V 48V Industrial Switching Power Supply
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Ultra Slim 35mm Width
Ultra Slim 30W DIN Rail Switching Power Supply 12V 2A 24V 1.5A 35mm Width for Narrow Control Panels
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Surge Resistant · Enclosed
100W Industrial Switching Power Supply 300VAC Surge Input 5s 12V 24V 48V AC DC Converter with Overload Protection
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IP67 Waterproof Outdoor
LDV-100 100W IP67 Waterproof LED Power Supply 12V 8.3A 24V 4.2A AC DC Switching Adapter for Outdoor Lighting
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Strategic Industrial Fit
Localized Engineering Applications Across Celje's Manufacturing Hubs
Celje functions as a vital industrial, logistical, and advanced processing nexus connecting Central Europe and the Adriatic. Our specialized power hardware delivers unmatched uptime across demanding field conditions.
Advanced Metallurgy & Heavy Machining
The historical foundry, steel, and mechanical workshops around Celje demand rugged auxiliary supplies that handle line spikes, inductive backlash, and high ambient temperatures. The NDR-240 and DRP-240 series feature integrated Active Power Factor Correction (PFC > 0.95) and full metal chassis to shield internal circuitry from electromagnetic noise produced by CNC mills and arc furnaces.
With an operational thermal envelope spanning from -20°C up to +70°C without forced fan cooling, these units prevent thermal throttling in compact electrical enclosures.
Industrial Robotics, PLC Cabinets & Automated Logistics
As logistics parks and warehousing fulfillment facilities expand adjacent to the A1 highway corridor, automated storage and retrieval systems (ASRS) rely extensively on stable 24V DC bus infrastructures. Our low-profile HDR-100 and Ultra-Slim 30W DIN rail series fit seamlessly into standard TS-35/7.5 or TS-35/15 rails, leaving crucial space for optocouplers, safety relays, and bus couplers.
Exceptional hold-up times greater than 20ms ensure PLCs retain execution states through instantaneous main-grid micro-drops.
Pharmaceutical Cleanrooms & Precision Optics
Supporting chemical, biotech, and laser research operations in regional laboratories, the 1000W Variable AC/DC laboratory supply delivers continuous adjustment with ripple-noise ratings below 150mVp-p. Regulated against fast transient bursts up to 2kV, these power sources maintain absolute spectral consistency in diode laser heads and sensor arrays.
Additionally, IP67 sealed LDV units safeguard outdoor perimeter security and illumination systems across damp river valley environments.
Industry 4.0 Transition
Celje Industrial Trends: Energy Decarbonization & Cabinet Miniaturization
Slovenia's national strategy toward smart manufacturing requires power components to minimize thermal dissipation and reduce overall switchgear cabinet volume. The shift from basic linear architectures to high-frequency resonant SMPS represents a massive competitive leap.
| Architecture Feature | Legacy Linear / Unregulated Units | Keldan Advanced Industrial SMPS | Engineering Benefit in Celje Factories |
|---|---|---|---|
| Efficiency Topology | 50% – 65% (Heavy Heat Dissipation) | 88% – 93.5% (Synchronous Rectification) | Drastically lowers cabinet internal temperature, avoiding costly cabinet AC units. |
| Input Line Flexibility | Fixed 230VAC ±5% | 85 – 264VAC Wide Universal Input | Immunizes control logic against brownouts and regional substation harmonic loads. |
| Enclosure Form Factor | Bulky, laminated iron cores | Step-shaped slim TS-35 Rail (Down to 35mm) | Frees up to 60% horizontal rail space for sensor gateways and drive controllers. |
| Surge & Transient Defense | Basic fuse or MOV | 300VAC Surge withstand (5s) + OVP/OCP/SCP | Mitigates down-time caused by inductive spikes from large robotic tool-changers. |
Direct Manufacturing Authority
End-to-End SMPS Production Verified by TÜV Rheinland
Operating from Yueqing, Zhejiang—the global capital of low-voltage electrical engineering—Yueqing Keldan Technology Co., Ltd. controls the complete production lifecycle from bare PCB assembly to multi-stage dynamic load burn-in.
Precision SMT Placement
High-speed surface-mount machines place passives, driver ICs, and MOSFETs with sub-micron accuracy, preventing micro-bridging and ensuring uniform impedance.
Reflow Soldering Control
Multi-zone convective reflow ovens maintain tight thermal profiles to eradicate cold solder joints, vital for products exposed to mechanical vibration in machinery.
Automated AOI Inspection
Post-soldering automated optical inspection scans 100% of joints for solder volume, component misalignment, and polar reversed placements before chassis assembly.
100% Dynamic Burn-In Racks
Every single power unit undergoes full-load thermal burn-in testing under fluctuating load conditions to screen early-life component failures before dispatch.
Procurement Clarity
Frequently Asked Questions by Industrial Buyers in Celje
Straight answers regarding European compliance, logistics to Koper/Ljubljana/Celje, customization protocols, and B2B sample qualification.
Do your SMPS units comply with Slovenian and EU regulations?
Yes. All standard DIN rail and enclosed power supply models carry the CE marking, meeting Low Voltage Directive (LVD 2014/35/EU) and Electromagnetic Compatibility Directive (EMC 2014/30/EU). Units conform to EN 62368-1 safety standards and EN 55032 Class B radiated/conducted emission standards. Complete laboratory test reports and declarations of conformity are provided for customer technical files.
What are the freight options and lead times for Celje manufacturers?
For urgent production line needs or prototyping, express air freight (DHL/FedEx/UPS) delivers to Celje facilities within 4 to 6 business days. For bulk production orders, multimodal container shipping via the Port of Koper provides the lowest landed cost, arriving at your factory floor in roughly 24 to 30 days from vessel departure, with full customs clearance and DDP arrangement options available.
Can Keldan customize output voltages and terminal block configurations?
Absolutely. As an audited direct manufacturer, we offer both OEM and ODM development. Our in-house engineering team can tune secondary windings for uncommon output rails (such as 36V, 48V, or multi-tap rails), integrate specialized screwless spring-clamp terminals for fast vibration-resistant wiring, or customize private-label laser marking and packaging with your local brand identity.
What is your Minimum Order Quantity (MOQ) for pilot trials?
We support design validation and pilot run qualification. Standard catalog items such as the NDR-240, HDR-100, and 30W DIN rail units can be sampled starting from a single unit (MOQ 1 piece). For volume production orders, standard series MOQ starts from 10 to 50 pieces, while customized bespoke chassis runs depend on tooling requirements.
