18+
Years Engineering Experience
100%
Burn-In & Aging Tested
44
Onsite Verified Technicians
4.8/5
B2B Verified Procurement Score
Engineered Product Lineup
Featured Industrial DC Regulated Power Supplies
Our export portfolio integrates advanced pulse-width modulation (PWM) control, active power factor correction (PFC > 0.95), and multi-stage galvanic isolation designed for rugged factory line deployments across Puebla and central Mexico.
HDR-30 30W DIN Rail Power Supply 85-264VAC Universal Input 12V 2A 24V 1.5A 5V 3A Slim Industrial Switching Power Supply
Technical Datasheet
LEYU LRS-150-24 AC DC Switching Power Supply 150W 24V 6.5A Single Output SMPS for Industrial Equipment LED Lighting
Technical Datasheet
SCP-35 35W Mini UPS Power Supply 13.8V 2.6A / 27.6V 1.4A with Battery Charger AC to DC for CCTV Camera Router Diesel Heater
Technical Datasheet
240W Industrial DIN Rail Power Supply with Active PFC 24V 10A 48V 5A AC DC Converter for PLC Control Cabinet
Technical Datasheet
240W Industrial DIN Rail Switching Power Supply 24V 10A Compact Size for Automation Equipment & Control Panel
Technical Datasheet
Fuente De Alimentacion Variable 1000W AC DC 24V 41.7A Adjustable Power Source for Laser Lab Use
Technical Datasheet
500W 24V 20A Switching Power Supply AC DC Converter Single Output 90-132VAC 180-264VAC Industrial Equipment
Technical Datasheet
Localized Integration
Industrial Application Scenarios in Puebla’s Manufacturing Hubs
From the massive automotive corridors in San José Chiapa and Cuautlancingo to the bustling textile and plastics parks in Huejotzingo, regulated direct current is the cornerstone of zero-downtime automation.
Automotive Robotics & Stamping Cells
Puebla is globally renowned for Tier-1 and OEM automotive assembly. Within robotic welding lines, transfer presses, and automated guided vehicles (AGVs), transient surges and high vibration are persistent hazards. Our DRP-240W and 500W regulated units feature active transient suppressors, electrolytic capacitors rated for 105°C endurance, and TS35 rail lockouts that hold solid under cyclic mechanical vibrations.
SCADA, PLC Cabinets & Process Sensors
Modern control engineers in Parque Industrial FINSA and Parque Industrial Chachapa require micro-footprint PSUs inside dense Marshalling and PLC enclosures. The HDR-30 and LRS-150 series deliver ripple suppression down to <100mVp-p, ensuring clean reference voltages for 4-20mA instrumentation loops, optical sensors, Ethernet switch gateways, and safety relays without induced fieldbus noise.
Precision Laser Calibration & Lab R&D
Puebla’s expanding technical universities (such as UDLAP and BUAP) and specialized laser-cutting tooling shops require flexible bench and equipment power. Our 1000W adjustable DC source allows engineers to modulate voltage (0-24V) and current seamlessly, supporting CNC laser diode drivers, high-torque spindle motors, and rapid prototyping testbeds with short-circuit foldback protection.
Strategic Market Dynamics
Industrial Evolution & DC Power Trends Across Puebla
Understanding regional macroeconomic vectors allows plant managers, OEMs, and electrical panel builders to future-proof their supply chains against harmonic penalties and power quality irregularities.
The Nearshoring Influx & High-Density Power Infrastructure
The phenomenon of nearshoring in Mexico has positioned Puebla as a core hub for expanding European and North American tier suppliers. New production lines require standardized, multi-voltage machinery able to bridge between North American nominal standards (120V/240V 60Hz) and European automation logic. Modern factories favor switching power supplies equipped with ultra-wide input stages (85VAC–264VAC) and active Power Factor Correction to eliminate the need for step-down auxiliary transformers.
Simultaneously, the demand for compact TS35 DIN rail power units is surging as machinery footprints compress. Space-saving modules with active heat convection cooling minimize the thermal footprint inside NEMA 4X / IP66 sealed enclosures commonly deployed in harsh milling environments.
Mexico's Grid Code 2.0 (Código de Red) & Energy Efficiency
Enforced strictly by the Energy Regulatory Commission (CRE) in Mexico, the Código de Red imposes strict power factor thresholds (≥ 0.95 lagging to 1.0) and rigid harmonic current distortion limits on Medium and High Voltage industrial off-takers across industrial parks like Tehuacán and Atlixco. Traditional cheap uncorrected power supplies inject severe Total Harmonic Distortion (THD) back into facility buses.
Our industrial lines incorporate Active PFC circuits and advanced dual-stage EMI filtration complying with EN55032 Class B. This ensures plant electrical managers avoid hefty non-compliance sanctions while drastically reducing capacitive stress, heat degradation, and line losses throughout the localized distribution network.
| Series Category | Input Range / Topology | Puebla Industrial Target | Grid Code Compliance Feature |
|---|---|---|---|
| DRP-240 Active PFC | Universal 90–264VAC / TS35 Mount | Automotive Assembly, Robotic Cells | Power Factor > 0.98; Low Harmonic Feedback |
| HDR Slim DIN Rail | 85–264VAC / Double Insulated | PLC Panels, Building Automation | Ultra-Low No-Load Consumption (<0.3W) |
| LRS Ultra-Thin SMPS | 115VAC / 230VAC Selectable | CNC Controllers, 3D Printers, Vision Rig | Withstand 300VAC Surge for 5 Seconds |
| SCP Mini UPS Series | 85–264VAC with Battery Port | Facility CCTV, Access Gates, Telemetry | Zero-Transfer Time Battery Failover |
TÜV Rheinland Verified Factory
Engineering Excellence Behind Every Power Module
Yueqing Keldan Technology Co., Ltd. operates in the capital of low-voltage electrical hardware. We do not just assemble off-the-shelf boards—we design, optimize, surface-mount, and stringently burn-in test every regulated DC supply for worldwide export.
In-House SMT & AOI Testing
Our facility operates automated high-speed surface mount technology (SMT) lines combined with automated optical inspection (AOI) to eliminate soldering defects, solder bridges, and component misalignments before assembly.
100% Full-Load Burn-In
We run all produced power modules through elevated-temperature burn-in chambers under 100% rated electrical load for hours. This screens out early life infantile mortality in power MOSFETs and output rectifiers.
Engineering-Led OEM/ODM
Backed by 5+ specialized design engineers with over five years of SMPS architecture experience, we customize voltages, dual rails, conformal coating, custom laser markings, and branded packaging to exact buyer specs.
Export Logistics Support
Our dedicated 12-person international trade division arranges sea freight via Manzanillo or Veracruz, express air routes to Mexico City (MEX) / Puebla (PBC), compliant commercial invoicing, Certificates of Origin, and NOM documentation.
Direct Procurement Clarity
Purchasing FAQ for Importers & Plant Engineers in Puebla
Direct answers to the most common regulatory, logistical, and electrical inquiries raised by Mexican electrical distributors, panel builders, and procurement teams.
Are Keldan power supplies compatible with Mexican nominal voltage standards (127V / 220V 60Hz)?
Yes. All standard Keldan regulated switching supplies offer either universal AC inputs (85V–264VAC wide-range operation) or manual 115V/230V selector switches designed to accommodate Mexico's single-phase 127VAC/60Hz and two-phase 220VAC industrial systems without derating or excessive harmonic heating.
What certifications apply for importing into Mexico (NOM, CE, RoHS)?
Our products are manufactured according to CE, RoHS, and international IEC 62368-1 / EN 61558 safety standards. If your import consignment requires official NOM-001-SCFI or NOM-019-SCFI verification through accredited Mexican testing laboratories (such as ANCE or NYCE), our engineering department provides comprehensive technical files, schematics, PCB artwork, and factory test reports to streamline customs clearance.
What is the typical shipping lead time and logistical route to Puebla?
Standard catalog sample orders ship within 3-5 days via DHL/FedEx directly to Puebla airports. For maritime containerized consignments (FCL/LCL), vessels transit from Ningbo/Shanghai to the Atlantic Port of Veracruz (closest port to Puebla, roughly 2.5 hours by ground freight) or Manzanillo on the Pacific coast, typically taking 25-32 days ocean transit followed by bonded customs transit directly into Puebla industrial parks.
Can we order custom OEM voltages (e.g., 36V, 48V, or dual-isolated outputs) under private labels?
Absolutely. As a certified custom manufacturer verified onsite by TÜV Rheinland, we offer comprehensive OEM/ODM services. We can configure specialized secondary winding taps, custom current-limiting thresholds, specialized conformal coating for humid/chemical environments, custom silk-screened metal chassis, and private label carton packaging. Prototype evaluation units can be fabricated in our Yueqing R&D lab.
What are the Minimum Order Quantities (MOQ) for Mexican business partners?
For initial validation, engineering prototypes, and pilot builds, we support sample orders starting from just 1 unit on most standard DIN rail and enclosed models. Standard production batches for private label OEM projects typically range between 50 to 200 units depending on customization complexity, ensuring low barrier entry for regional distributors.
Upgrade Your Industrial Automation Power Infrastructure
Whether you require standard TS35 DIN rail units or tailored OEM regulated power supplies for integration in Puebla’s industrial corridors, our engineering team is ready to review your schematics and deliver customized pricing.
