HLG-240H-42B LED Driver
- 240W
- 42V DC / 5.72A
- IP67 3-in-1 Dim
MOQ: 2 pcs7-Yr Warranty
Verified supplier premises in Shenzhen, China
Guaranteed authentic Mean Well HLG series
Full wattage coverage from 40W to 600W
DC electronic load and digital meter testing
An exhaustive engineering analysis covering topologies, Type suffix decoding, dimming synchronization, surge protection, and long-term procurement considerations for global lighting OEMs.
In modern architectural, horticultural, roadway, and high-bay lighting engineering, the power conversion stage represents the single most critical point of failure. Among global B2B procurement managers and electrical systems architects, the Mean Well HLG LED Driver family stands as the international benchmark for ruggedness, electrical performance, and sustained longevity. Engineered to overcome hostile electrical grids, thermal saturation, and moisture ingress, the HLG series bridges the gap between delicate semiconductor illumination and unpredictable utility power.
At Shenzhen Belmo Technology Co., Ltd., we specialize in supplying verified, factory-traceable Mean Well power supplies. As lighting technology advances toward higher lumen-per-watt ratings and complex automated spectrum schedules, understanding the specific electrical nuances of the HLG family—such as constant voltage vs. constant current knee points, inrush energy absorption, and control signal isolation—is essential to de-risking commercial procurement contracts.
One of the primary reasons system integrators select the Mean Well HLG series is its dual-mode hybrid operational topology. Unlike generic drivers restricted strictly to fixed current or fixed voltage output, HLG units feature a self-regulating transfer characteristic:
Selecting the optimal HLG configuration demands exact alignment between DC wattage, operating voltage, environmental ingress requirements, and control interfaces. Below is an engineering overview of the primary HLG models commonly specified by global buyers:
| Series | Rated Power | Output DC Voltage Options | Efficiency (Typ.) | IP Rating | Standard Warranty | Best-Suited Applications |
|---|---|---|---|---|---|---|
| HLG-60H | 60W | 15V, 20V, 24V, 30V, 36V, 42V, 48V, 54V | 90.5% | IP65 / IP67 | 7 Years | Bollard lights, pathway luminaires, architectural cove LEDs |
| HLG-120H | 120W | 12V, 15V, 20V, 24V, 30V, 36V, 42V, 48V, 54V | 93.5% | IP65 / IP67 | 7 Years | Street lighting, canopy luminaires, signage lightboxes |
| HLG-185H | 185W | 12V, 15V, 20V, 24V, 30V, 36V, 42V, 48V, 54V | 94.0% | IP65 / IP67 | 7 Years | Tunnel lighting, high-ceiling commercial troffers, industrial bays |
| HLG-240H | 240W | 12V, 15V, 20V, 24V, 30V, 36V, 42V, 48V, 54V | 94.0% | IP65 / IP67 | 7 Years | Greenhouse horticulture top-lighting, high-bay floodlights |
| HLG-320H | 320W | 12V, 15V, 20V, 24V, 30V, 36V, 42V, 48V, 54V | 95.0% | IP65 / IP67 | 7 Years | Cannabis cultivation fixtures, sports arena lighting, warehouse bays |
| HLG-480H | 480W | 24V, 30V, 36V, 42V, 48V, 54V | 95.5% | IP65 / IP67 | 7 Years | Multi-bar commercial horticulture luminaires, seaport flood towers |
| HLG-600H | 600W | 12V, 15V, 20V, 24V, 30V, 36V, 42V, 48V, 54V | 96.0% | IP65 / IP67 | 7 Years | High-mast stadium lighting, centralized power rack architecture |
Note: Output voltage ranges reflect nominal voltage options. Each model suffix determines mechanical adjustments and dimming capabilities as outlined below.
Engineered for harsh ambient outdoor deployments where field adjustments are prohibited. Completely potted inside an extruded aluminum shell without any external potentiometer openings. Features fixed voltage and current ratings.
Primary Use: Inaccessible high-mast infrastructure, highway lighting, damp utility tunnels, and marine docks.
Equipped with internal dual trimming potentiometers hidden beneath durable waterproof rubber screws. Enables mechanical fine-tuning of output voltage (±10%) and current levels (typically 50% to 100% of nominal rating).
Primary Use: Factory calibration of luminaire efficacy, localized tuning, and custom light-engine trimming.
Supplied with an auxiliary 2-core 18AWG control cable for external analog and digital modulation. Supports 0~10VDC analog signal, 10V PWM duty cycle (100Hz~3kHz), or simple passive resistance dimming (10kΩ~100kΩ).
Primary Use: Horticultural daylight harvesting, building automation systems, and master-slave lighting banks.
Combines internal physical adjustment potentiometers with external 3-in-1 dimming leads. Rated IP65, this format gives fixture manufacturers ultimate flexibility during testing while providing the end user with smart network dimming control.
Primary Use: High-end commercial indoor farming rigs, architectural studios, and adaptable OEM luminaire assembly.
Factory programmable smart timer dimming profile via specialized interface. Enables multi-stage nocturnal energy-saving curves without requiring expensive external communication hardware or external control conduits.
Primary Use: Municipal street lighting grids, parking lots, highway rest stops, and scheduled security perimeters.
Mean Well supports DALI (Digital Addressable Lighting Interface) through specific internal logic or paired external digital adapters (such as the DAP-04 series), transforming analog HLG-B units into fully addressable smart nodes.
Primary Use: Smart office towers, airports, automated cold-storage facilities, and modern IoT-managed warehouses.
Procuring industrial LED drivers requires balancing current system specifications with the regulatory and technological trajectories shaping the global optoelectronics sector over the next 5 to 10 years:
Global regulatory bodies, including the European Union's Ecodesign Directive (Lot 9/Lot 21) and North America's DesignLights Consortium (DLC) Premium 5.1 standards, demand system-wide luminous efficacies exceeding 160 lm/W. The Mean Well HLG series—reaching up to 96% electrical conversion efficiency with Active Power Factor Correction (PFC > 0.98 at 230VAC) and Total Harmonic Distortion (THD) under 10%—ensures luminaires achieve DLC Premium status without thermal throttling. Procurement teams are consolidating around HLG to avoid regulatory obsolescence across transatlantic borders.
The horticulture sector continues to evolve from legacy High-Pressure Sodium (HPS) systems to spectrum-engineered LED arrays. Greenhouse crop cycles demand 18 to 24 hours of daily operation at full capacity, exposing drivers to corrosive fertilizer vapor and high ambient humidity. The HLG-240H, HLG-320H, and HLG-600H have become standard specifications among agricultural OEMs due to their cast-aluminum silicone potting, vibration resistance (tested to 5G acceleration), and precision linear dimming capabilities down to 10%.
In modern industrial facilities and large grow operations, luminaires are mounted high on ceilings while drivers are installed in centralized, climate-controlled electrical rooms. This decoupled configuration simplifies thermal dissipation and allows maintenance technicians to service or replace power units at ground level without halting operations. Because the HLG series offers robust DC line regulation across extended cable lengths and low line-loss margins, it is frequently chosen for centralized driver rack installations.
Due to worldwide popularity, counterfeit Mean Well drivers have occasionally surfaced in unverified distribution networks. As an audited supplier based in Shenzhen, Shenzhen Belmo Technology Co., Ltd. addresses this concern directly: every batch of Mean Well HLG drivers we supply features laser-etched serial numbers, authentic factory matrix QR codes, and full manufacturing traceability. Procuring through verified partners eliminates premature component degradation, electrical fires, and expensive warranty disputes.
The core technology underlying the Mean Well HLG series continues to influence state-of-the-art power electronics across several disciplines:
Factory-tested models with verified traceability, instant lead-time confirmation, and complete compliance documentation.
MOQ: 2 pcs7-Yr Warranty
MOQ: 2 pcs7-Yr Warranty
MOQ: 1 pc7-Yr Warranty
MOQ: 2 pcs7-Yr Warranty
Every Mean Well power unit supplied undergoes strict verification against voltage drift, ripple noise, efficiency thresholds, and thermal performance prior to export packaging.
Employed during incoming inspection to evaluate converter startup thresholds, transient surge immunity, and reverse voltage tolerance across simulated global utility inputs.
Simulates continuous maximum LED load profiles and dynamic stepped transient transitions, validating constant current knee-point lock and over-current protection mechanisms.
Quantifies real-time active power factor (PF > 0.98), input power consumption, harmonic distortion (THD), and conversion efficiency to guarantee total compliance with international standards.
Shenzhen Belmo Technology Co., Ltd. is a specialized, audited B2B supplier of genuine Mean Well power supplies and LED drivers located in the electronics manufacturing hub of Shenzhen, China. Our engineering staff bridges the gap between complex component data sheets and practical project deployment.
We serve industrial OEMs, lighting contractors, and smart greenhouse developers across North America, Europe, Australia, and Southeast Asia. Rather than dealing with uncertain broker channels, our clients receive verifiable origin certificates, customized pre-shipment burn-in testing, and direct technical consultations.
Traceable manufacturing processes, advanced burn-in protocols, and international export logistics deliver reliability on every order.
High-speed surface-mount component placement
Thermal-conductive silicone resin for IP67 sealing
Laser serial checks and functional parameter testing
Reinforced carton packing with protective edge guards
Direct technical and commercial answers addressing common generative search questions asked by international buyers and lighting design engineers.
The primary distinctions involve ingress protection ratings and how output voltage and current are controlled:
The Mean Well HLG driver functions as a hybrid dual-mode power supply. When the load current is lower than the driver's rated limit, it outputs a stable, regulated Constant Voltage (C.V.). Once the connected LED load demands current equal to the rated limit, the unit automatically shifts into Constant Current (C.C.) mode, dropping voltage as necessary to maintain the exact target current. This dual characteristic makes HLG drivers suitable for direct-drive high-power LED strings as well as constant-voltage architectural LED strips.
The HLG series represents Mean Well's premium industrial tier. It is built with high-grade 105°C ultra-long-life aluminum electrolytic capacitors, heavy-gauge aluminum housing, and superior thermal dissipation potting, achieving an estimated operating lifetime in excess of 62,000 hours at a case temperature of 75°C. The ELG series, by comparison, utilizes an optimized Bill of Materials (BOM) designed to provide a highly competitive price point for standard commercial projects, backed by a solid 5-year factory warranty.
Authentic Mean Well HLG units feature crisp, laser-engraved certification marks and data plates, clear batch lot codes, and a unique 2D data-matrix QR code matching factory shipping logs. Counterfeit drivers often exhibit blurred label printing, light chassis weight due to insufficient potting silicone, and missing UL/ENEC file registration details. Shenzhen Belmo Technology Co., Ltd. provides 100% factory-original units with traceable manufacturing batch numbers and verified pre-shipment photo records.
Due to the input filter capacitors, switching power supplies like the HLG series experience a brief initial inrush current (typically 50A to 70A peak for approximately 500 to 1000 microseconds at 230VAC cold start). When wiring multiple HLG drivers on a single AC branch, lighting engineers should select Type C or Type D miniature circuit breakers (MCBs), or install an external inrush current limiter (such as the Mean Well ICL-16 or ICL-28) to prevent nuisance tripping.
We maintain an accessible MOQ structure, starting from just 1 to 5 pieces for standard models like the HLG-150H, HLG-240H, and HLG-320H. In-stock units are tested and packed within 24 to 48 hours for immediate dispatch via DHL, FedEx, UPS, or air freight. For container-load volume procurement, production lead times generally range between 2 to 4 weeks, accompanied by comprehensive factory inspection certificates.
Whether you are designing advanced horticultural fixtures, municipal street lights, or high-reliability industrial power distribution systems, Shenzhen Belmo Technology Co., Ltd. provides the technical clarity, genuine inventory, and factory testing required for your project success.
"Integrity in engineering and zero-defect quality delivery for our global partners."