Direct OEM/ODM Manufacturer · ISO 9001:2015 · SGS Verified

OEM/ODM EDR DIN Rail Power Supply Manufacturer & Supplier Serving Suai

Precision-engineered, heavy-duty 75W–150W EDR switching power supplies tailored for coastal petro-infrastructure, municipal SCADA systems, remote solar telecommunication hubs, and demanding tropical installations in Covalima, Timor-Leste.

Industrial Catalog

Standard & Custom Power Conversion Units Deployed in Global Projects

Below is our precision switching power supply portfolio engineered for superior electromagnetic compatibility (EMC), high operating efficiency, and tropicalized mechanical stability.

S-200-15 High Quality Power Supply 200W 15V 13.33A AC to DC Single Output SMPS
Constant Voltage
S-200-15 High Quality Power Supply 200W 15V 13.33A AC to DC Single Output Smps Switching Power Supply for Led Lighting
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S-120-15 120W 15V 8A Switching Power Supply
High Efficiency
China Manufacture AC to DC Single Output Smps Switching Power Supply S-120-15 120W 15V 8A High Efficiency Power Supplies
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S-1200-12 Mobile Led 1200W DC SMPS
High Power 1200W
Hight Quality S-1200-12 Mobile Led 1200W DC 12V/24V/36V/48V 100A SMPS Efficiency 80% Switching Power Supply
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S-200-5 Constant Voltage Switching Power Supply
5V High Current
200W 5V 10A 20A 30A 40A AC to DC Single Output Smps Switching Power Supply S-200-5 High Quality Constant Voltage Power Supply
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SMPS S-15-5 Led Driver 15W 5V 3A
Ultra Compact
SMPS S-15-5 Led DriverHigh Quality 15W 5V 3A AC DC Power Supplies High Frequency Switching Power Supply
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S-1500-12 1500W 12V 125A High Efficiency SMPS
Heavy Industry 1500W
220V AC to DC Switching Power Supply Chinese Products S-1500-12 1500W 12V 125A High Efficiency SMPS CE Led Power Supply
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S-15-15 15W 15V 1A AC to DC Single Output SMPS
Auxiliary Control
S-15--15 15W 15V 1A AC to DC Single Output Smps Switching Power Supply CE Rohs FCC Industrial Power Supplies
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CE ROHS S-200-36 36V AC to DC Switching Power Supply
Burn-in Tested
CE ROHS S-200-36 36V 0~5.5A AC to DC Imported Electronic Components 100% High Temperature Full Load test Switching Power Supply
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19+ Years Engineering SMPS
10,000 m² ISO 9001 Certified Plant
10+ Lines High-Speed Automated SMT
100% Full-Load Burn-in Tested
Technical White Paper

Engineering Architecture of the EDR DIN Rail Power Supply Series

Understanding why switching power architectures succeed or fail in demanding tropical operating environments requires granular circuit-level analysis.

Slim TS-35/7.5 & TS-35/15 DIN Rail Form Factor

The EDR series (specifically EDR-75, EDR-120, and EDR-150) is designed with an ultra-compact, cold-rolled perforated steel enclosure. Measuring merely 32mm to 40mm in lateral width, it dramatically reduces cabinet footprint in industrial control cabinets.

  • Snap-on mechanism calibrated for standard EN 60715 TS-35 rails.
  • Mechanical shock absorption tested up to 2G (10~500Hz, 10min/1cycle, 60min each along X, Y, Z axes).
  • Tool-less terminal strip wiring optimized for 12–24 AWG solid or stranded industrial copper conductors.

Universal AC Input & Transient Voltage Suppression

Operating under fluctuating microgrids demands extensive input tolerance. Our EDR series features an ultra-wide input window spanning 90VAC to 264VAC (or 127VDC to 370VDC) without requiring manual mechanical selector toggling.

  • Integrated differential and common mode line filter suppression.
  • Primary surge withstand capability conforming to EN61000-4-5 (2kV Line-to-Line, 4kV Line-to-Ground).
  • Inrush current limitation (cold start under 20A at 115VAC, under 35A at 230VAC) preventing upstream MCB tripping.

Multi-Stage Protection & Auto-Recovery Topologies

Mission-critical uptime in remote substations hinges on intelligent self-protecting fault logic. The EDR architecture features 4 distinct analog monitoring channels:

  • Overload Protection: 105% ~ 130% rated output power governed by constant current limiting, shifting into hiccup mode upon sustained impedance collapse.
  • Overvoltage Clamp: Secondary zener-sensing shut-down between 115% and 135% to protect sensitive 24V PLC I/O cards.
  • Overtemperature Shutdown: Thermal shutdown with automatic hysteresis restart once internal thermistor registers junction cooldown.
Regional Operational Analysis

Engineered for Suai: Solving Extreme Tropical & Petrochemical Operating Stresses

Suai, the municipal seat of Covalima on the south coast of Timor-Leste, represents one of Southeast Asia's most rigorous operational environments for power conversion electronics.

Suai Supply Base (SSB) & Coastal Marine Salinity

The multibillion-dollar petroleum logistics facility and marine terminal at Suai require uncompromised auxiliary power. Operating less than 1,000 meters from the Timor Sea exposes electronic enclosures to high airborne chloride (salt spray) combined with relative humidity consistently between 80% and 95%.

Harlon Engineering Countermeasure: Optional IPC-CC-830 certified conformal coating (tropicalization dip) applied on both sides of the double-layer FR-4 circuit board. This halts galvanic corrosion between copper traces, protects solder joints from dendrite growth, and safeguards high-voltage creepage clearances.

Hybrid Off-Grid Microgrids & Solar-Diesel Fluctuations

Beyond central municipal corridors, localized processing plants, agricultural pumping stations, and regional clinics across Covalima rely heavily on intermittent solar PV arrays and diesel gen-sets. Switching transients, harmonic distortion, and abrupt frequency swings (47Hz–63Hz) destroy consumer-grade power bricks.

Harlon Engineering Countermeasure: Our EDR DIN rail switching architecture accommodates a dynamic input band with active power factor correction (PFC > 0.95), operating safely during voltage brownouts as low as 85VAC and lightning surge peaks up to 300VAC for 5 seconds.

Thermal Envelope: 40°C Ambient & Closed Metal Cabinets

Enclosed outdoor junction boxes mounted on highway surveillance poles, telecom base stations, and Suai Airport perimeter fencing absorb intense solar radiation. Internal cabinet ambient temperatures regularly surpass +55°C without active HVAC cooling.

Harlon Engineering Countermeasure: 100% free air convection design without mechanical cooling fans that would otherwise fail from dust ingress. We employ premium 105°C-rated electrolytic capacitors (Rubycon / Nichicon or equivalent long-life lines), guaranteeing MTBF in excess of 300,000 hours under Telcordia SR-332 testing criteria.

Parametric Selection Guide

Harlon EDR DIN Rail Technical Matrix (75W ~ 150W)

Select the precise output voltage and current configuration for your instrumentation control panels and SCADA RTUs.

Model Series Rated DC Output Output Current Efficiency (Typ.) Ripple & Noise (Max) Operating Temp. Range Dimension (W×H×D mm) Primary Industrial Field
EDR-75-12 12V DC (Adj. 12-14V) 0 ~ 6.3A 85.5% 100mVp-p -20°C to +60°C 32.0 × 125.2 × 102.0 CCTV, Access Control, Relays
EDR-75-24 24V DC (Adj. 24-28V) 0 ~ 3.2A 87.5% 120mVp-p -20°C to +60°C 32.0 × 125.2 × 102.0 PLC CPU, Sensor Transmitters
EDR-120-12 12V DC (Adj. 12-14V) 0 ~ 10.0A 85.0% 100mVp-p -20°C to +60°C 40.0 × 125.2 × 113.5 Maritime Telemetry, Radio Links
EDR-120-24 24V DC (Adj. 24-28V) 0 ~ 5.0A 87.5% 120mVp-p -20°C to +60°C 40.0 × 125.2 × 113.5 SCADA Systems, Solenoid Valves
EDR-120-48 48V DC (Adj. 48-55V) 0 ~ 2.5A 88.5% 150mVp-p -20°C to +60°C 40.0 × 125.2 × 113.5 PoE Injectors, Telecom Repeaters
EDR-150-24 24V DC (Adj. 24-28V) 0 ~ 6.25A 87.0% 150mVp-p -20°C to +60°C 40.0 × 125.2 × 113.5 Motor Actuators, SSB Plant Automation
Request Custom Voltage & Derating Datasheet
Market Intelligence

Industrial Modernization & Infrastructure Trajectory in Suai (2025–2030)

The southern economic corridor of Timor-Leste is undergoing a transition from traditional rural agriculture to an energy-backed trade economy.

Tasi Mane Petroleum Infrastructure Realization

The Tasi Mane project represents the economic backbone of Timor-Leste's long-term sovereign strategy, with Suai designated as the central logistics cluster. Development surrounding the Suai Supply Base, offshore support vessels, pipeline inspection systems, and fuel storage manifolds requires thousands of low-voltage DC power conversion modules complying with IEC 62368-1 and EN 55032 Class A standards.

Suai Airport (Commander-in-Chief Nicolau dos Reis Lobato) Expansion

Upgrades to airfield navigation systems, meteorological radar beacons, automated baggage screening, and terminal security cameras at Suai Airport require uninterrupted 24V/48V DC power supplies. Standardizing on rugged EDR DIN rail chassis ensures rapid hot-swappable replacement during scheduled preventive maintenance cycles.

Grid Decentralization & Rural Electrification

Timor-Leste's national energy grid expansion continues to connect remote hamlets throughout the Covalima foothills. Hybrid mini-grids pairing battery energy storage systems (BESS) with distributed solar installations demand ultra-high-efficiency switching power supplies (above 88%) that exhibit virtually zero stand-by power draw.

Enterprise Competence

Zhejiang Harlon Electronic Co., Ltd. – Your Verified Factory Partner

Established in 2007 in Wenzhou, Zhejiang, China, Harlon operates as an engineering-driven manufacturer with direct control over circuit layout, SMT placement, automated soldering, and certified testing.

Harlon Modern SMT Assembly Lines

Modern Automated Production Lines

10,000 m² modern manufacturing space equipped with high-speed Yamaha and Panasonic SMT chip mounters, dual-wave soldering chambers, automatic axial/radial lead inserters, and computer-controlled potting systems.

Full-Load High-Temperature Burn-In Testing

100% Loaded High-Temp Burn-In

Every single power supply unit undergoes full-load elevated-temperature (45°C–50°C) burn-in testing inside our high-capacity burn-in racks to weed out early semiconductor infant mortality before packaging.

In-House EMC & EMI Chamber Laboratory

Certified Test Laboratory

Our in-house lab includes full RF shielding rooms, Rohde & Schwarz EMI test receivers, lightning surge simulators, high-pot insulation testers (3kVAC isolation), and multi-axis mechanical vibration tables.

Full OEM & ODM Flexibility

We support end-to-end design modifications. Whether you require customized output voltages (e.g., nominal 13.8V for continuous float-charging lead-acid or LiFePO4 backup packs), specialized terminal blocks, customized chassis paint, or localized multi-language silk-screen buyer branding, our 30-year experienced R&D engineering leads ensure quick design turnarounds.

SGS On-Site Audited Reliability

Zhejiang Harlon Electronic Co., Ltd. is thoroughly assessed and verified on-site by SGS Group. Our quality management system strictly executes ISO 9001:2015 directives across raw component incoming quality control (IQC), in-process quality control (IPQC), and outgoing pre-shipment inspection (OQC).

Direct Global Export Logistics

With 18 years of uninterrupted foreign trade experience serving North America, Europe, Southeast Asia, and South America, our logistics desk facilitates reliable ocean freight (FCL/LCL via Dili Port with transshipment connecting through Singapore or Surabaya) as well as expedited air freight (via Nicolau Lobato International Airport, Dili) backed by complete international documentation (CE, RoHS, Certificate of Origin, Form E).

Procurement Intelligence

Frequently Asked Questions: Sourcing EDR Power Supplies for Suai Projects

Clear, technically sound answers addressing shipping logistics, tropicalization, minimum order quantities, and electrical compliance.

1. How do Harlon EDR DIN Rail power supplies handle the intense heat and humidity of Suai?
Our EDR units are manufactured with natural convection cooling, removing the primary point of failure: mechanical cooling fans that easily clog with dust and saline crust. For coastal installations like the Suai Supply Base (SSB), we offer customized conformal coating (polyurethane or silicone IPC-CC-830) to eliminate moisture bridging across PCBA pins. Electrolytic capacitors are exclusively 105°C-rated, guaranteeing operation up to +60°C with nominal derating from +50°C upwards.
2. Can these power supplies be connected directly to 110V/220V generators and solar inverters with fluctuating output?
Yes. The EDR-75, EDR-120, and EDR-150 series feature a wide universal AC input spanning 90VAC to 264VAC at 47Hz to 63Hz, with no manual selector switch required. They also tolerate DC input from 127VDC to 370VDC, allowing direct connection to the high-voltage DC busbars of large solar microgrid inverters and uninterruptible DC power plants common in remote Covalima telecom towers.
3. What is the typical transit route and lead time for shipments destined for Suai, Timor-Leste?
Standard catalog production typically requires 15 to 25 business days depending on volume. Sea freight routes usually ship out of Ningbo or Shanghai port, transshipping via Singapore or Surabaya, and clearing through the Port of Dili (Tibai Port) before inland trucking south over the central mountain highway directly down to Suai. For urgent project replenishment, express air freight via DHL/FedEx to Dili followed by overland dispatch takes approximately 7 to 10 days.
4. Do you offer custom branding (Buyer Labeling) and tailored DC voltage modifications?
Absolutely. We provide complete OEM/ODM services, including customer logo silk-screening, custom laser-etched serial numbers, custom terminal pinouts, modified DC output adjustment pots (such as 13.8V for float battery systems or 27.6V for dual battery backups), and retail or export carton packaging designed around your local distribution brand.
5. What electrical safety and EMC certifications accompany your power supplies?
Our power supplies are designed to comply with IEC/EN/UL 62368-1 standards for Audio/Video and Information Technology equipment. They comply with EN 55032 (CISPR32) Class B conducted and radiated electromagnetic emission thresholds, EN 61000-3-2 harmonic distortion standards, and EN 61000-4-2, 3, 4, 5, 6, 8, 11 heavy industrial immunity criteria. Full test certificates and compliance declarations are issued upon order.
6. What is the Minimum Order Quantity (MOQ) and sample evaluation policy?
For standard catalog EDR models, we support prototype engineering evaluation with an MOQ as low as 1 to 10 units. For full OEM customized labeling and packaging programs, our standard MOQ is generally 100 to 500 units depending on mechanical customization depth. Sample requests are processed quickly through our direct engineering department.

Upgrade Your Control Panels with Certified Heavy-Duty EDR Power Supplies

Whether you are procuring for the Suai Supply Base development, remote Covalima telecommunications infrastructure, or commercial automation systems across Timor-Leste, our engineering team is on standby to supply detailed technical CAD footprints, full thermal derating curves, and competitive factory-direct quotations.

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