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TürkçeLRS-35 / LRS-50 Compact Series
Designed for compact instrumentation, PLCs, smart home controllers, and security sensors where physical space is at a premium.
35W–50W
Free Convection
99×82×30 mm
30mm 1UUltra-slim profile footprint
Up to 91.5%Conversion efficiency index
5G Anti-VibrationTested structural stability
<0.2W to 0.75WUltra-low standby no-load loss
Technical Architecture
Why the LRS Series Power Supply Dominates Modern Industrial Systems
From automated assembly cells to embedded IoT gateways and commercial display ecosystems, the LRS Series Power Supply stands as the global baseline for compact, low-profile AC/DC power conversion.
In modern power electronic procurement, engineering teams evaluate power units beyond face-value DC ratings. The LRS Series Power Supply represents an evolutionary leap over conventional bulky enclosed chassis designs. By adopting an industry-standardized 1U low-profile form factor (standard 30mm height), the series optimizes volumetric efficiency while adhering strictly to high-density thermal convection and thermal dissipation principles.
Engineers at Zhejiang Harlon Electronic Co., Ltd. optimize every stage of the topology: utilizing low-loss primary power MOSFETs, synchronous rectification where applicable, and premium high-frequency transformer cores to suppress standby drain below 0.2W to 0.75W. With wide universal AC inputs (85–264VAC or switch-selectable 115/230VAC), built-in transient suppression, and compliance with stringent IEC/EN/UL 62368-1 standards, the LRS series ensures unmatched system reliability even under rigorous industrial line swings.
Product Selection Matrix
Engineered LRS Series Power Supply Recommendations
Evaluate real-world engineering parameters across the most widely deployed power tiers from 35W to 350W.
LRS-100 / LRS-150 Mid-Range Power
The workhorse of factory automation, 3D printing equipment, stepper motor controls, and architectural LED strip installations.
100W–150W
Up to 90% Eff.
Slim Enclosure
LRS-200 / LRS-350 Heavy Load SMPS
High-current DC supply engineered for CNC routers, dynamic laser engravers, high-density LED displays, and battery charging logic.
200W–350W
Auto Fan Cooling
High Current Bus
| Model Series | Rated Power | Available Output (DC) | Input Voltage Range | Peak Efficiency | Cooling Mechanism | Dimensions (L×W×H) |
|---|---|---|---|---|---|---|
| LRS-35 | 35W | 5V, 12V, 15V, 24V, 36V, 48V | 85–264VAC / 120–370VDC | 89.0% | Free-air convection | 99 × 82 × 30 mm |
| LRS-50 | 50W | 5V, 12V, 15V, 24V, 36V, 48V | 85–264VAC / 120–370VDC | 90.0% | Free-air convection | 99 × 82 × 30 mm |
| LRS-100 | 100W | 5V, 12V, 15V, 24V, 36V, 48V | 85–264VAC / 120–370VDC | 91.0% | Free-air convection | 129 × 97 × 30 mm |
| LRS-150 | 150W | 12V, 15V, 24V, 36V, 48V | 85–264VAC / 120–370VDC | 90.0% | Free-air convection | 159 × 97 × 30 mm |
| LRS-200 | 200W | 3.3V, 4.2V, 5V, 12V, 15V, 24V, 36V, 48V | 90–132VAC / 180–264VAC (Switch) | 90.0% | Free-air convection | 215 × 115 × 30 mm |
| LRS-350 | 350W | 3.3V, 4.2V, 5V, 12V, 15V, 24V, 36V, 48V | 90–132VAC / 180–264VAC (Switch) | 89.5% | Forced air (Thermostatic Fan) | 215 × 115 × 30 mm |
*Custom DC voltages, military-grade conformal coatings, and alternate terminal pinouts are configurable upon OEM request.
Strategic Procurement Insights
Future Sourcing & Technology Trends in LRS Series Power Supplies
Anticipating shifts in component supply chains, regulatory energy directives, and modular industrial integration.
Tier-1 Component Resilience
Global procurement directors increasingly audit the Bills of Materials (BOM) for capacitor lifespan (105°C rated long-life electro-capacitors) to avoid catastrophic factory line halts.
Eco-Design & Standby Standards
With ERP and Energy Star efficiency directives tightening across North America and Europe, no-load consumption below 0.3W is transforming from an optional feature to a mandatory legal tender barrier.
GaN & High-Frequency Magnetics
Next-generation LRS designs are progressively introducing Gallium Nitride (GaN) switching bridges, enabling higher switching frequencies, smaller planar transformers, and cooler heatsink profiles.
Dual-Track Supply Sourcing
Enterprises are migrating from sole-source branded suppliers toward verified OEM manufacturers like Zhejiang Harlon Electronic Co., Ltd. to secure price parity and hedge against unpredictable geopolitical lead times.
Enterprise Manufacturing Capabilities
Inside Zhejiang Harlon Electronic Co., Ltd.
A rigorous manufacturing ecosystem combining automated PCB assembly, strict environmental stress testing, and documented traceability.
Integrated In-House Production
Operating in a state-of-the-art facility spanning over 10,000 m² with more than 10 dedicated production lines, Zhejiang Harlon Electronic Co., Ltd. governs every single fabrication phase: from raw material inspection (IQC) through high-speed SMT, automatic component insertion, robotic glue potting, and automated terminal crimping.
Laboratory-Grade Reliability Verification
Quality is never assumed—it is measured. Our testing center is equipped with advanced Lightning Surge Generators, EMI Conducted Emission Receivers, RF Shielding Test Chambers, High and Low Temperature Heat Chambers, Earth Resistance Testers, and Vibration Shakers to guarantee that your custom or standard power units survive the most brutal operating climates.
Advanced Laboratory Quality Equipment
Send an Inquiry
Direct factory communication: [email protected]
Procurement & Engineering FAQ
Frequently Asked Questions by Global Power Buyers
Expert answers addressing the practical technical and commercial considerations of procuring LRS Series Power Supplies.
What makes the LRS Series Power Supply the preferred standard over legacy enclosed designs?
The LRS Series Power Supply represents a modern evolutionary benchmark. Unlike traditional modular power supplies, it adopts a slim 30mm 1U height profile, vastly reduced component counts, enhanced surface-mount integration, and advanced transformer design. This results in no-load power consumption below 0.2W to 0.75W, conversion efficiencies exceeding 89–91%, 5G vibration resistance, and seamless integration into shallow control cabinets or rack systems.
How does Zhejiang Harlon Electronic Co., Ltd. address thermal derating at high ambient temperatures?
All LRS power supplies operating under pure convection cooling (LRS-35 through LRS-200) adhere to strict derating curves starting typically at +50°C, operating safely at 50% to 60% load up to +70°C. For heavy-duty models like LRS-350, Zhejiang Harlon Electronic Co., Ltd. integrates an intelligent temperature-controlled brushless DC fan that automatically engages above 50°C, maintaining optimal thermal margins and preventing premature capacitor degradation.
Can we order custom DC output voltages, connectors, and private brand labels?
Yes. With 18 years of specialized OEM/ODM engineering, Zhejiang Harlon Electronic Co., Ltd. supports tailored DC rail specifications (such as non-standard 18V, 28V, or 60V systems), customized terminal blocks, quick-disconnect molex/screw harnesses, conformal coating for high-humidity or tropical climates, and full private-label packaging and silkscreen serialization.
What protective topologies are built into the LRS circuit architecture?
Each LRS unit engineered in our factory incorporates multi-tier active protections: constant current limiting and hiccup-mode short circuit protection (auto-recovery), over-voltage clamping via zener-driven shutdown, and internal thermal sensor cutoff in high-wattage units to prevent permanent silicon breakdown during severe system anomalies.
How are quality and electrical parameters verified before shipping?
Under our ISO 9001 certified and SGS on-site verified production methodology, each LRS production batch undergoes 100% full-load dynamic burn-in testing, automatic optical inspection (AOI) for solder joints, dielectric hi-pot insulation checks (3kVAC input-to-output), ground continuity testing, and ripple/noise verification using digital storage oscilloscopes.
Factory Direct Sourcing
Request a Fast Quote on LRS Series Power Supplies
Connect directly with the engineering and sales team at Zhejiang Harlon Electronic Co., Ltd. to receive comprehensive pricing, 3D CAD step files, or evaluation samples.
- Fast turnaround on quotes for standard models (LRS-35 to LRS-350)
- Custom voltage, wiring harness, and private buyer branding support
- ISO 9001 quality compliance and SGS on-site factory verification
Direct Technical & Sales Contact
[email protected]
Rapid Engineering Support
Direct communication with experienced power electronic designers with nearly 30 years of field engineering expertise.
Reliable Batch Consistency
Automated wave soldering, SMT placement, and computerized testing ensure identical parameters between sample and mass batches.
Zhejiang Harlon Electronic Co., Ltd.
18 Years of OEM Export Excellence · SGS On-Site Assessed