Smart 36V Lithium Charger 12V to 43.8V Waterproof 13A
- Topology: DC-DC CC/CV Buck-Step
- Input / Output: 12V DC / 43.8V DC (13A)
- Ingress Rating: IP67 Submersible
- Application: E-mobility, Swiss AGVs
500+
Standard Converter Models
96.8%
Peak Conversion Efficiency
ISO 9001
CE, RoHS & REACH Certified
130+
Countries & Cantons Supplied
OEM/ODM Product Lineup
High-Efficiency DC-DC Buck Converters for Precision Workloads
Engineered for high power density, synchronous rectification, ruggedized thermal dissipation, and ultra-low electromagnetic interference (EMI) compliant with strict Swiss CE/ESTI regulations.
24V to 12V 85A–100A Synchronous Buck Converter
- Input Voltage: 18–32V DC (Nom. 24V)
- Output: 12V DC (Up to 100A / 1200W)
- Efficiency: Up to 96% Synchronous
- Housing: Extruded Aluminum IP68
48V to 24V 40A 1000W High-Current Buck Regulator
- Input Range: 35–60V DC (Industrial)
- Output: 24V DC @ 40A Continuous
- Features: Low Ripple, Anti-Surge
- Application: Robotics, Telecommunications
30–60V to 12V 50A/60A Step-Down Voltage Regulator
- Input Voltage: 30–60V DC Wide Range
- Output: 12V DC @ 60A (720W Max)
- Protections: OVP, OCP, OTP, Shorted
- Enclosure: Thermally Potted Epoxy
30–90V (48/72V) to 24V 20A Industrial Buck Module
- Input Voltage: 30–90V DC Dynamic
- Output: 24V DC regulated @ 20A
- Isolation: Non-isolated Common Ground
- Usage: E-Forklifts, Mountain Railways
18–90V Ultra-Wide Input to 12V 10A Compact Buck
- Input Range: 18–90V DC Continuous
- Output: 12V DC @ 10A (120W)
- Standby Current: < 15mA Low Drain
- Mounting: Flanged Chassis Mount
36–75V to 24V 5A Isolated Precision Buck Module
- Isolation: 1500V DC Galvanic Barrier
- Input: 36–75V Telecom Bus
- Output: 24V DC @ 5A (120W)
- Certification: EN 62368-1 / CE / RoHS
1500W Smart Step-Down / Stabilizer with Modbus RS485
- Dynamic Input: 10–60V DC Adaptive
- Output: 12V / 24V / 48V Programmable
- Telemetry: Voltage, Current & Temp Log
- Standard: Industry 4.0 Telemetry Ready
Alpine & Industrial Realities
Precision Applications Across Swiss Industry Verticals
From the high-tech corridors of Zürich and Basel to demanding alpine installations in Valais and Graubünden, Eltrum step-down power conversion modules meet stringent Swiss expectations for reliability and thermal stability.
Alpine Photovoltaics & Off-Grid Relays
Switzerland’s aggressive expansion into high-altitude solar parks requires DC buck converters capable of withstanding extreme temperature deltas (-40°C to +85°C) and thin air dielectric variations, stabilizing high-voltage string inputs down to 24V/12V telemetry, remote weather stations, and motorized tracking actuators.
Railway & Alpine Mobility (Rolling Stock)
Conforming to the rigorous safety parameters mandated across SBB and private narrow-gauge mountain transit networks, our potted step-down units step down 72V, 96V, and 110V traction battery lines to stable low-voltage rails for passenger Wi-Fi, HVAC control modules, and fail-safe signaling logic.
Precision Medtech & Cleanroom Robotics
Swiss medical device and laboratory automation leaders in the Romandie cluster rely on our ultra-low ripple (<30mVp-p) isolated buck converters. High galvanic isolation isolates sensitive biosensor arrays, micro-fluidic pumps, and optical inspection cameras from harsh motor bus transients.
Synchronous Buck Rectification vs. Legacy Linear & Standard Switching
Thermal mitigation is paramount in compact, hermetically sealed enclosures deployed in Swiss machine manufacturing (MEM industry). Eltrum buck converters integrate advanced synchronous MOSFET controllers replacing conventional freewheeling Schottky diodes, drastically reducing conduction losses ($P_{loss} = I^2 \times R_{DS(on)}$) and lifting conversion efficiency above 96% under heavy continuous load.
| Evaluation Parameter | Legacy Linear Regulators | Standard Non-Sync Buck | Eltrum Synchronous Buck |
|---|---|---|---|
| Typical Efficiency (48V to 12V @ 10A) | < 25% (Extreme Heat) | 84% – 88% | 94.5% – 96.8% |
| Thermal Dissipation Demand | Massive Heatsink + Forced Air | Medium Aluminum Frame | Integrated Conduction Cold-Wall |
| MTBF Reliability @ 40°C | < 15,000 Hours | 80,000 Hours | > 250,000 Hours (MIL-HDBK-217F) |
| Ingress / Environment Immunity | Unsealed / Open Perforated | Partial IP54 Dust Resistant | IP68 Hermetically Epoxy Potted |
| EMC Emission Suppression | Low EMI / Extreme Inefficiency | EN 55032 Class A (Industrial) | EN 55032 Class B (Residential/Med Ready) |
Macro Economic Drivers
Swiss Market Trends Shaping Power Conversion Architecture
Understanding the strict regulatory frameworks, sustainability targets, and digital transformation goals driving Swiss engineering departments in 2025 and beyond.
Switzerland's Energy Strategy 2050 Mandate
With nuclear phase-outs and ambitious decarbonization timelines, Swiss manufacturers are legally incentivized to squeeze every percentage point of efficiency out of auxiliary power buses. Inefficiencies are no longer tolerated; switching to 96%+ synchronous buck systems direct from battery storage systems drastically limits thermal building loads and parasitic draw.
Migration to 48V Bus Architectures
Swiss robotics developers, AGV producers, and telecommunication switchgear architects have systematically shifted standard distribution lines from 12V/24V up to 48V DC to lower $I^2R$ cabling copper mass. This shift triggers a booming requirement for high-density, point-of-load (PoL) buck converters that bring 48V down to 12V or 5V directly at sensitive processing nodes.
Integration of RS485 & Industrial IoT
Static power supplies are giving way to intelligent conversion nodes. Swiss automation engineers increasingly specify buck converters featuring RS485/Modbus or CAN bus interfaces. Real-time logging of auxiliary line current, thermal status, and impending over-current alarms enables predictive maintenance across automated packaging and pharmaceutical machinery.
Factory Heritage & Authority
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Shenzhen Eltrum Electronic: Direct Engineering Powerhouse
Founded in 2015, Shenzhen Eltrum Electronic Co., Ltd. has grown from an elite power electronics laboratory into an internationally verified direct-to-OEM manufacturing powerhouse. With over 3,000 m² of specialized production floor, high-speed SMT assembly, and dedicated automated potting stations, we eliminate intermediary distributor markups while preserving exacting engineering standards.
Our long-standing heritage in isolated DC-DC topologies infuses our entire non-isolated buck and boost series with superior surge suppression, robust thermal reserves, and strict noise immunity. We understand that Swiss purchasing departments demand traceability, component continuity, and strict delivery timelines without compromise.
✓ ISO 9001:2015 Audited
✓ CE (LVD & EMC) Direct
✓ RoHS & REACH Compliant
✓ Flexible MOQ from 5 Units
Procurement Due Diligence
Frequently Asked Questions by Swiss Technical Buyers
Addressing compliance, customs handling, thermal validation, and custom engineering parameters directly.
How do Eltrum buck converters comply with Swiss Federal Inspectorate for Heavy Current Installations (ESTI) requirements?
Our converters undergo rigorous testing to ensure full compliance with the European Low Voltage Directive (LVD 2014/35/EU) and Electromagnetic Compatibility Directive (EMC 2014/30/EU), which are mirrored in Swiss federal ordnance (NEV / VEMV). Comprehensive test reports, third-party laboratory verification certificates, and CE declarations are provided directly with pre-production batches.
What are the delivery terms and logistics pathways for shipments into Switzerland?
We support flexible Incoterms including DAP, FOB, and EXW via air freight express (DHL, FedEx, UPS) directly to Swiss customs ports (Zürich Airport ZRH, Geneva GVA, or Basel EuroAirport). Express air sampling arrives in 4–7 business days, while volume OEM containerized orders are processed with fully compliant commercial invoices, HS code documentation, and origin certification to guarantee frictionless Swiss Federal Customs Administration (FCA) clearance.
Can Eltrum customize input voltage thresholds, connectors, or charging algorithms?
Yes. Our internal engineering department specializes in OEM/ODM customization. We regularly modify standard buck platforms to support custom input ranges (e.g., handling wide surges up to 120V for railway auxiliary lines), integrate specialized IP67/IP68 Deutsch or Amphenol automotive connectors, alter output setpoints (e.g., 13.8V float for lead-acid or 14.6V for LiFePO4 cells), and embed Modbus RS485 communication protocols.
How does the factory validate reliability for high-altitude Alpine environments?
High altitude environments (above 2,000 meters in Alpine regions) exhibit diminished air density, reducing convection cooling efficiency and dielectric breakdown thresholds. Our buck converters resolve this by employing 100% solid thermally conductive polyurethane/silicone potting within heavy aluminum extrusion enclosures. This eliminates internal air voids, dampens mechanical vibration, and dissipates heat through conductive chassis mount paths rather than relying on thin ambient air convection.
What is the typical Minimum Order Quantity (MOQ) for Swiss engineering validation?
To empower Swiss R&D prototyping and pilot verification, standard catalog DC-DC buck models feature an accessible sample MOQ starting at just 5 units. High-power units (over 1000W) can frequently be sampled from 1–2 pieces. Once engineering validation is formalized, we smoothly transition accounts into structured scheduled batch deliveries (blanket purchase orders) to match your manufacturing takt times.
How are ground loops mitigated when powering sensitive sensors from noisy motor buses?
While non-isolated synchronous buck converters provide the highest efficiency and power density for shared-ground topologies, applications with severe common-mode noise or differential ground potentials (such as precision optical measurement or EV traction monitoring) require galvanic isolation. In such scenarios, we advise Swiss engineers to select our Isolated DC-DC series, providing up to 1500V DC breakdown barrier between input return and output chassis ground.
Ready to Integrate Swiss-Grade Power Conversion?
Connect immediately with our senior power application engineers. Provide your target input window, required output current, and operating environmental parameters to receive matching datasheets and an instant factory-direct quote.
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