High Current
12V to 24V / 48V High-Current Boost Converter
- Nominal Input: 9V – 20V DC
- Output Regulated: 24V (50A) / 48V (20A)
- Peak Efficiency: >96.5% Synchronous
- Enclosure Rating: IP67 Aluminum Alloy
Industrial Catalog
High-Efficiency DC Boost & Power Platforms
Engineered to handle severe voltage variances, marine salt-mist environments, and high-ambient Mediterranean operation with proven CE, RoHS, and ISO 9001 compliance.
Waterproof IP68
12V to 48V Heavy-Duty Marine Boost Module
- Input Threshold: 10V – 30V DC
- Output Power: 48V · Up to 20A (960W)
- Potting: Thermal Conductive Resin
- Protection: OCP, OVP, OTP, Short Circuit
High Power
24V to 48V Industrial Automation Boost Converter
- Input Operating: 18V – 36V DC
- Output Current: 10A / 15A Constant Bus
- Isolation: Non-Isolated Solid Common GND
- Thermal Drift: <0.02% per °C
Intelligent RS485
1500W Wide-Input Programmable Buck-Boost
- Wide Input Window: 10V – 60V Continuous
- Adjustable Rail: 12V / 24V / 28V / 48V DC
- Bus Interface: RS485 Telemetry & Control
- Application: Agritech & Battery Arrays
Galvanic Isolation
18V–90V Ultra-Wide Input Isolated Converter
- Galvanic Isolation: 1500V DC Breakdown
- Output Regulation: 12V / 24V Regulated 120W
- Noise Filtering: Built-in Low ESR Pi-Filter
- Target Loads: Telecom Towers & Maritime Nav
LiFePO4 Charger
Smart 36V 13A Waterproof Step-Up Charger
- Input Conversion: 12V DC Engine / Solar Input
- Charging Voltage: 43.8V LiFePO4 Profile (13A)
- Algorithm: Dynamic CC/CV Stage Control
- Waterproofing: Full Submersion Safe IP67
Dual Battery RV
400W Alternator Boost-to-Lithium Charger
- Alternator Input: 10V – 36V Smart Alternator
- Battery Target: 14.6V / 29.2V / 43.8V Selectable
- Features: No Alternator Overheating
- Chassis: Extruded Shockproof Aluminum
Solar Stabilizer
8V–40V to 13.8V 30A Marine Voltage Stabilizer
- Swing Input: 8V – 40V Low Cranking Ready
- Stable Bus: 13.8V Float Output (414W)
- Efficiency: 95% at Maximum Amperage
- Protection: Integrated Reverse Polarity
Engineering Authority
DC Power Infrastructure Architecture in Heraklion & Crete
A rigorous examination of distributed power conversion challenges, microgrid stability, and topological requirements across the Cretan energy corridor.
1. The Physics of Islanded Grid Stress & Local Distributed Conversion
Operating electrical equipment within the Heraklion administrative district and the broader island of Crete exposes sensitive power circuits to unique electrical dynamics. As the largest non-interconnected (and historically weakly tied) electrical system in Greece, Crete experiences significant voltage volatility across distributed branches, particularly during peak summer tourism loads combined with high solar irradiance swings. For engineering procurement officers and automation designers in Heraklion, deployed DC loads cannot rely on clean, stabilized upstream rectification. Industrial DC Boost Converters bridge the critical gap between variable localized busbars and mission-critical 24V or 48V continuous infrastructure.
When specifying step-up converters for regional installations—ranging from the Port of Heraklion's maritime berths to the off-grid agricultural monitoring networks in the Messara Plain—traditional switching topologies fail under combined thermal and harmonic stress. High-frequency MOSFET switching with synchronous rectification is essential to keep thermal dissipation low in enclosed spaces where ambient Greek summer temperatures consistently exceed 40°C. Standard buck or passive conversion topologies cannot compensate for line droop caused by long conduit runs common in port facilities and municipal pumping stations.
2. Topologies: Boost vs. Synchronous Buck-Boost in Variable DC Links
Selecting a power conversion partner requires deep knowledge of topology trade-offs. In classic DC step-up (boost) design, the output voltage must mathematically remain higher than the absolute maximum peak of the input source. However, in Heraklion's off-grid hybrid setups (e.g., small wind turbines coupled with photovoltaic strings and lead-acid or LiFePO4 batteries), battery chemistry induces broad input fluctuations:
| Conversion Architecture | Permissible Input Range | Target Output Consistency | Ideal Cretan Regional Application | Thermal Derating Threshold |
|---|---|---|---|---|
| Synchronous Pure Boost | 9V – 24V DC | Fixed 24V, 36V, 48V, or 56V | Harbor auxiliary power, 12V vehicle to 48V telemetry arrays | -40°C to +85°C (Derate 2.5%/°C above 60°C) |
| Non-Isolated Buck-Boost | 10V – 60V Dynamic | Fully Regulated 12V, 24V, or 48V | Olive grove precision drip irrigation telemetry, rural hybrid PV/storage | Solid potted aluminum casing: max 80°C hotspot |
| Transformer Galvanic Isolated | 18V – 36V / 36V – 75V | Zero-reference 5V, 12V, 24V Out | Crete Naval/Maritime communication loops, cathodic protection monitoring | True 1500V isolation with dual input/output common break |
| Intelligent CC/CV Step-Up Charger | 10V – 36V Low Alternator | Profile-matched 14.6V to 58.4V LiFePO4 | Off-grid eco-resorts, e-mobility fleet charging hubs, recreational craft | Microcontroller monitored constant current phase regulation |
Where input can dynamically fluctuate below and above the working voltage—such as a battery nominal 12V system dropping to 8.8V during cold-cranking or surging to 14.8V during fast bulk solar charging—a single-ended boost converter loses regulation or shuts down under input-overvoltage conditions. Eltrum’s engineering protocol specifies buck-boost stabilization where input-output cross-regions occur, ensuring zero downtime for critical maritime communications and agricultural sensor nodes.
3. Mitigating Galvanic Corrosion and Saline Atmospheric Degradation
Heraklion's coastal exposure presents an aggressive oxidation environment. The North Aegean and Cretan Sea winds introduce aerosolized sodium chloride that rapidly penetrates unsealed electronics, causing high-voltage tracking, dendritic copper migration, and short circuits across transformer windings. Our industrial converters utilize heavy-gauge die-cast aluminum enclosures with IP67/IP68 ingress ratings, encapsulated in vacuum-injected polyurethane elastomer. This construction prevents air entrapment, protects against mechanical vibration from marine diesels, and ensures thermal conductivity from switching transistors directly to the outer cooling fins.
Field Applications
High-Impact Regional Deployment in Heraklion
Examining field installations across Crete's key economic sectors: commercial maritime, precision agriculture, telecommunications, and distributed renewable energy.
Maritime & Harbor Vessels (Port of Heraklion)
Heraklion serves as one of Greece's busiest passenger and freight ports. Commercial fishing vessels, inter-island ferries, and recreational catamarans rely on our waterproof 12V to 24V/48V boost converters to power state-of-the-art radar arrays, sonar devices, and electric trolling motors directly from 12V starting or house banks without introducing separate battery banks.
Solar Smart Agriculture (Messara Basin & Archanes)
Crete's expansive olive and vineyard sectors depend heavily on automated drip irrigation and localized IoT weather stations. Our ultra-wide 10V–60V boost and buck-boost modules take low-voltage, shading-affected solar panel feeds and elevate them directly to the 24V DC or 48V DC standards required by industrial solenoid valves and LoRaWAN long-range nodes.
Telecom & Mountaintop Relays (Mount Ida / Psiloritis)
Communication repeaters located across Crete’s mountain ridges face intense thermal swings and sub-zero winter temperatures. Isolated DC-DC boost modules power sensitive microwave backhaul radios, breaking high-voltage ground loops and shielding control circuits from inductive spikes caused by nearby lightning strikes.
Market Dynamics
Future-Proof Trends Driving DC Adoption in Crete
Understanding regulatory pressures, clean energy targets, and supply chain shifts redefining electrical procurement in southern Greece through 2030.
Decarbonization of Commercial Fleets
Greek and EU maritime regulations mandate rapid emissions reductions in coastal transit. Hybrid conversions of harbor utility vessels and tour boats in Crete are accelerating demand for high-current boost units that elevate engine alternator output to drive high-capacity lithium storage banks efficiently.
Rapid Transition to LiFePO4 Energy Chemistry
Traditional flooded lead-acid and AGM batteries are being replaced across Crete’s off-grid estates and marine fleets by Lithium Iron Phosphate (LiFePO4). Because lithium cells feature a much flatter discharge profile and lower internal resistance, precision CC/CV boost chargers are essential to prevent burnt alternators.
Electrification of Agricultural Logistics
Utility vehicles, olive-harvesting automated shakers, and light transport e-mobility units in Crete are shifting to 36V, 48V, and 72V DC platforms. Local repair facilities and system integrators require reliable suppliers of robust DC step-up hardware to maintain these specialized electric drivetrains.
Enterprise Authority
Why Engineers Choose Shenzhen Eltrum Electronic Co., Ltd.
Combining world-class R&D, high-mix volume flexibility, and factory-direct pricing for distributors and OEMs serving Heraklion and the European Union.
Certified ISO 9001 Facility
Established in 2015, our 3,000 m² Shenzhen plant operates under rigorous ISO 9001 management protocols. Every DC boost converter undergoes full-load burn-in testing, thermal imaging evaluation, and automated safety screening before dispatch.
Broad 500+ Model Portfolio
We manufacture one of the industry's most versatile lines of power supplies: step-up boost, step-down buck, buck-boost stabilizers, galvanic isolated converters, and IP65–IP68 waterproof LiFePO4 battery chargers ranging from 5W to 1500W.
Low MOQ & Agile Customization
Standard production models start at a 5-unit MOQ for rapid bench prototyping. We offer full OEM/ODM services, including customized input windows, specific output voltages (e.g., 28V, 56V), specialized wiring looms, and RS485 communication protocols.
Direct Freight to Heraklion
Experienced export operations serving over 130 countries worldwide. We coordinate express air courier delivery to Heraklion International Airport (HER) or consolidated maritime cargo through Piraeus and the Port of Heraklion under flexible FOB or EXW terms.
Procurement Clarity
Frequently Asked Questions by Heraklion Buyers
Essential technical and logistical answers for engineers, naval contractors, and system integrators sourcing converters for deployment across Crete.
What is the standard delivery timeline for converter shipments to Heraklion?
Standard catalog sample orders (5–20 units) are typically dispatched from our Shenzhen facility within 3 to 5 business days via air express (DHL/FedEx/UPS), reaching Heraklion, Crete in approximately 4 to 7 business days. For volume OEM production runs (100–1,000+ units), air cargo or sea-freight through Piraeus is arranged with clear tracking and complete commercial documentation.
How do Eltrum converters handle extreme ambient heat in Greek summer operations?
Our converters use an aluminum heat-sink chassis combined with high-grade thermally conductive epoxy potting. The potting material transfers heat evenly from the planar magnetics and power switches to the outer finned enclosure. Units operate reliably up to 60°C ambient at full continuous rating, with linear derating up to 85°C, ensuring robust performance in unventilated engine rooms and sealed agricultural enclosures.
Can I power 48V communications gear from an existing 12V marine battery setup?
Yes. Our 12V to 48V boost converter series is engineered specifically for this conversion. It elevates unregulated 10V–15V DC inputs up to a stabilized 48V DC rail with up to 20A output capacity. The synchronous design maintains over 95% efficiency, minimizing battery draw while ensuring consistent voltage for maritime satellite arrays, radars, and high-gain antennas.
Are Eltrum products fully compliant with European Union importation rules?
All Eltrum power conversion hardware is manufactured under an ISO 9001 certified quality management system and fully complies with CE directives (including EMC EN 55032 and Low Voltage Directives) and RoHS environmental standards. Declarations of Conformity and relevant test certificates are readily provided for Greek customs clearance.
When must I specify a Galvanic Isolated Boost Converter instead of Non-Isolated?
Non-isolated converters share a common negative ground rail, making them compact and cost-effective for standard automotive and recreational vehicle wiring. However, for commercial vessels docked in the Port of Heraklion, telecommunications networks, or equipment prone to ground loops and electrolysis, galvanic isolation is essential. An isolated converter breaks the DC ground path completely, preventing stray currents from corroding ship hulls or injecting high-frequency switching noise into sensitive radio equipment.
Connect With Power Engineers
Looking for a Reliable DC Boost Converter Partner for Heraklion?
Whether you need a direct sample shipment to Crete, customized voltage setpoints, or volume OEM supply schedules, our Shenzhen application team provides complete engineering datasheets, CAD models, and rapid quotation support.