100W IP67 Waterproof LED Driver 12V 24V Constant Voltage Power Supply
IP67 Enclosure
12V / 24V CV Output
CE Compliant
Outdoor Architectural
Precision Conversion Inventory
Regulated Power Supply Systems Engineered for Braga OEM & Automation Hubs
Designed to comply strictly with European Low Voltage (LVD 2014/35/EU) and Electromagnetic Compatibility (EMC 2014/30/EU) directives, delivering ultra-low electrical ripple, integrated transient suppression, and verified long Mean Time Between Failures (MTBF).
500W 24V 20A Switching Power Supply AC DC Converter Single Output
500W Heavy-Duty
24V 20A Single Rail
Universal AC Input
Forced Air Cooling
LPV-60-24 60W 24V 2.5A IP67 Waterproof LED Driver Constant Voltage
60W 24VDC 2.5A
Resin Fully Potted
Short Circuit Protection
Class II Isolation
120W Industrial DIN Rail Power Supply 24V 5A AC DC Converter
TS-35 DIN Mount
24V 5A Output
High Efficiency 89%
Overload Limiting
Fuente De Alimentacion Variable 1000W AC DC 24V 41.7A Adjustable Source
1000W Continuous
0-24V / 0-41.7A Trim
Digital Display Ready
Thermal Shutdown
LEYU EDR-240-24 DIN Rail Power Supply 24V 10A 240W Active PFC
Active PFC >0.95
24V 10A Output
Metal Enclosure
Industrial EMC
EDR-120 120W Industrial DIN Rail Power Supply 12V 24V 48V Switching Supply
12V/24V/48V Select
Slim Form Factor
Cold Start Inrush Limit
Convection Cooled
LDV-100 100W IP67 Waterproof LED Driver Power Supply 12V 8.3A 24V 4.2A
IP67 Ingress Rated
Aluminum Heat Dissipation
High Surge Immunity
Heavy Moisture Proof
18+ Years
Power Supply R&D Expertise
100% Aging
Full Load Burn-In Test Gate
TÜV Audited
Onsite Verified Production Lines
>92% Eff.
Optimized Thermal Dissipation
Precision Regional Integration
Engineering Regulated Power Solutions for Braga's Advanced Industrial Sectors
Braga has rapidly evolved into one of Southern Europe's primary high-tech and industrial manufacturing poles. From the Ave Valley textile automation belts to automotive electronics hubs around Celeirós and the research installations connected to the Universidade do Minho and INL (International Iberian Nanotechnology Laboratory), system designers demand high-reliability electrical conversion equipment that counteracts operational hazards.
Automotive Electronics & Mechatronics Clusters
The Tier-1 and Tier-2 automotive component suppliers spanning the Braga and Famalicão production corridor rely on clean direct current to drive sensor calibration lines, PLC logic controllers, and robotic welding actuators. Our DIN-rail switching modules (EDR, NDR, and DRP series) supply uninterrupted 24VDC with low ripple voltage (<100mVp-p), preventing false triggering in delicate fieldbus networks (CANopen, PROFINET, EtherCAT).
Nanotechnology & Optical Research Facilities
Working alongside academic centers and research hubs such as INL, laboratories require benchtop and integrated power modules that withstand inductive and transient spikes without voltage fluctuation. Our 1000W adjustable DC power sources allow laboratory engineers to vary voltage (0-24V) and current (0-41.7A) seamlessly for laser excitation, semiconductor testing, and precision electroplating benches.
Modernized Textile Machinery & Industrial IoT
Textile mills around the Minho district have transitioned from traditional mechanical weaving to high-precision computerized loom operations, automated dyeing systems, and automated fabric inspection cameras. The harsh factory environment features airborne particulates and thermal fluctuations. Our enclosed switching supplies (S-350, LRS series) and DIN rail units operate with internal convective cooling and conformal coating options that block micro-dust deposition.
Commercial Architectural Lighting & Harsh Outdoor Signage
Braga's commercial expansions and historic architectural illumination initiatives demand constant voltage power supplies that withstand Atlantic moisture, winter rainfall, and seasonal temperature swings. Our IP67-rated waterproof drivers (LDV and LPV series) utilize vacuum epoxy potting inside corrosion-resistant aluminum and polycarbonate casings, preventing water ingress, electrical bridging, and thermal choking over years of continuous operation.
Regional Transition Dynamics
Engineering Trends & Power Requirements in the Norte Region
Procurement criteria across Portugal have shifted towards total system efficiency, harmonic mitigation, and reduced thermal loads inside electrical control panels.
| Industrial Focus Area | Legacy Infrastructure Flaw | Mandated Engineering Trend (2025+) | Keldan Direct Technological Solution |
|---|---|---|---|
| Automated Panel Building | Bulky transformers emitting excess waste heat and occupying substantial TS-35 rail space. | Ultra-slim housing profiles with >90% operating efficiency, minimizing cabinet cooling loads. | NDR & EDR Series: High-density slimline modules allowing compact side-by-side terminal mounting without derating. |
| Grid Harmonic Compliance | High total harmonic distortion (THD) generated by capacitive input filters causing nuisance trips. | EN 61000-3-2 Class A/D compliance with Active Power Factor Correction (PFC >0.95). | LEYU EDR-240 & DRP Series: Built-in active PFC stages that optimize reactive power consumption and lower phase current strain. |
| High-Moisture Urban Lighting | Premature failure of non-potted drivers exposed to condensation and maritime humidity cycles. | True hermetic IP67/IP68 rating with lightning surge withstand (up to 4kV-6kV) under EN 61547. | LDV & LPV Series: Thermally conductive silicone potted architectures resistant to condensation, thermal expansion, and salt mist. |
| Photovoltaic & Smart Microgrids | Square-wave or modified-wave inverter outputs that trigger inductive motor overheating and hum. | Pure sine wave conversion with total harmonic distortion (THD) strictly limited to <3%. | Industrial Pure Sine Inverters: Clean toroidal AC conversion designed to safely drive pumps, compressors, and telecommunication units. |
Audited Manufacturing Authority
Why Portuguese Procurement Teams Partner Directly with Keldan
Operating from Yueqing, Zhejiang—the global capital for low-voltage electrical apparatus—Yueqing Keldan Technology Co., Ltd. eliminates supply chain volatility. Our facility has undergone rigorous on-site audit and verification by TÜV Rheinland, ensuring that every batch shipped to the European Union matches declared parametric specifications.
Verified In-House Production
Unlike trading intermediaries, we control component insertion, wave soldering, manual lead trimming, and final housing assembly across 44 on-site verified personnel and 5+ dedicated electrical engineers. This structure delivers total traceability on critical silicon and electrolytic components.
European Regulatory Compliance
Our standard switching power supplies, DIN-rail modules, and inverters carry verified CE compliance markings, accompanied by comprehensive test reports covering EN 55032 Class B radiated emissions and EN 61000 immunity parameters for fast-track clearance at Leixões port.
OEM/ODM Custom Tailoring
For specialized automation hardware, we engineer project-specific output rails (e.g., custom 36V or 48V auxiliary lines), wide-input DC-DC conversion steps, custom terminal blocks (screw vs. spring push-in), private label silk-screening, and bespoke outer packaging to match your brand requirements.
Procurement Intelligence
Frequently Asked Questions by Industrial Buyers in Braga
Addressing engineering specifications, import procedures, and international logistics for panel builders, electrical distributors, and industrial integrators.
Are Keldan power supplies compatible with Portugal's national electrical distribution grid?
Yes. Mainland Portugal operates on a nominal low-voltage grid standard of 230V single-phase (50Hz) and 400V three-phase systems under European CENELEC parameters. All Keldan switching power supplies and DIN-rail converters feature universal wide-range AC inputs (85–264VAC or switch-selectable 110V/220V stages) designed to absorb standard grid voltage tolerances of ±10% without loss of secondary DC regulation.
How do you handle shipping, customs clearance, and DDP/CIF terms to northern Portugal?
Our experienced in-house export team coordinates sea-freight consignments through the nearby Port of Leixões (Porto), located approximately 50km from Braga, as well as air freight services via Francisco Sá Carneiro Airport (OPO) for critical production runs. We issue compliant European commercial documentation (EUR-1 when applicable, Certificate of Origin, Detailed Packing List, Commercial Invoice, CE Declaration of Conformity) and support Incoterms from EXW and FOB to CIF and door-to-door DDP.
What protection mechanisms exist against line disturbances caused by heavy machinery?
Manufacturing environments in the Ave and Cávado basins commonly encounter inductive kickback and transient overvoltages from large electric motors and welders. Keldan industrial power supplies integrate multi-stage input EMI filtering, metal oxide varistors (MOVs) for surge suppression, along with hiccup-mode or constant current limiting protection against continuous short-circuits, output over-voltages (OVP), and thermal overload (OTP).
What is the typical Minimum Order Quantity (MOQ) for prototypes and volume production?
To assist R&D engineering divisions at local technology companies and incubators, we support initial sample evaluations starting from 1 unit on standard catalogue models (such as EDR-120, LRS-350, or NDR-240). For customized OEM designs with specific voltages or custom branding, typical production batches start at 50–100 units depending on the complexity of mechanical tooling.
How does the 100% full-load aging test ensure reliable operation after delivery?
Every power supply module manufactured on our Yueqing lines is transferred onto automated burn-in racks where it runs at 100% maximum rated load for an extended testing cycle. This process triggers any infant mortality flaws in internal semiconductors or transformer coils before units are packed, ensuring out-of-the-box reliability for your panel integration or automated machinery deployment.
Ready to Source Direct from a TÜV-Verified Power Supply Manufacturer?
Whether you require standard 24V DIN-rail switching modules for automation control cabinets or customized OEM power electronics for a new hardware design in Braga, our engineering team is ready to evaluate your electrical schematics and provide quotation support.
