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Industry Insight: Small Circular Led Light
Industry Insight: Small Circular LED Lighting for Commercial & Industrial Applications
In today’s commercial and industrial landscapes, lighting is no longer merely functional—it’s a critical driver of efficiency, safety, and spatial aesthetics. Small circular LED fixtures have emerged as a cornerstone solution for modern applications, from retail displays and office ceilings to industrial task lighting and high-bay environments. Their compact form factor enables seamless integration into tight spaces while delivering superior lumen output, precise beam control, and exceptional energy savings (typically 50–70% vs. legacy systems). Crucially, ETL and CE certifications are non-negotiable for professional projects. ETL marks compliance with North American safety standards (OSHA-recognized), while CE ensures adherence to EU directives for electrical safety, EMC, and environmental impact. Without these, installations risk rejection, liability issues, or project delays—making certified products essential for reliable, code-compliant deployments.
At Beauty STC Manufacturing Co., Ltd. (est. 1998), we’ve spent over a quarter-century engineering lighting solutions that marry technical rigor with real-world durability. As a global leader in commercial/industrial LED systems, we prioritize rigorous testing, thermal management, and full regulatory compliance—ensuring every small circular fixture we deliver meets the exacting demands of international markets. For facility managers and designers seeking performance-backed reliability, our expertise transforms specifications into sustainable, future-ready lighting.
Technical Specs & Certifications
Beauty (STC) Manufacturing Co., Ltd.
Engineering Datasheet – Small Circular LED Light (Ø 75 mm / 3-inch class)
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Optical Performance
• Luminous efficacy: 125 lm/W @ 3000 K, 130 lm/W @ 4000 K, 128 lm/W @ 5700 K (Tj = 85 °C, 24 V DC, measured on 300 mm integrating sphere, IES LM-79-19).
• Delivered lumens: 450 lm (3 W), 750 lm (5 W), 1 200 lm (8 W) – ±5 % tolerance.
• MacAdam ellipse: 3-step, ANSI C78.377-2017.
• CRI: Ra ≥ 90 (R9 > 50) standard; optional Ra 97 museum grade.
• Flicker: <1 % @ 100 Hz (IEEE 1789-2015).
• Beam angle: 24° / 36° / 60° interchangeable TIR optics, 90 % field / 50 % centre ratio. -
Electrical & Thermal
• Input: 24 V DC constant-voltage class III; 48 V DC or 220–240 V AC on request.
• Power factor: >0.95 (AC version).
• Operating temp.: –40 °C to +55 °C ambient; Tj max 105 °C.
• Thermal pad: 2 W mK graphite sheet, ΔT < 15 °C between LED junction and heat-sink.
• Lifetime: L70 > 54 000 h @ Ta 45 °C per IES TM-21-11.
• Surge: 2 kV differential / 4 kV common (IEC 61000-4-5). -
Ingress & Mechanical
• IP54 standard (dust-protected, splash-proof).
• Optional IP67 (1 m, 30 min) or IP68 (2 m, 24 h) with factory-sealed potted driver.
• Impact: IK06 (IP54) / IK08 (IP67/68).
• Housing: 6063-T5 extruded aluminium, 1.2 mm wall, electrophoretic black or white, 60 µm powder top-coat, 1 000 h salt-spray per ASTM B117.
• Lens: 2 mm UV-stabilised PMMA, 92 % transmittance, –40 °C to +90 °C.
• Cable: 0.5 mm² silicone rubber, 300 V, 180 °C, 200 mm flying leads, IP68 gland. -
Certifications & Quality Assurance
Beauty STC production lots are 100 % burn-in for 2 h at 45 °C, then batch-tested to AQL 0.65 on luminous flux, CCT, CRI and IP seal. Every driver is hi-pot 1.5 kV and 100 % loaded. Traceability code laser-etched on heat-sink; test report archived ≥ 10 years.
Certificates: CE, RoHS, REACH, SAA, ETL, TISI; ISO 9001:2015 & ISO 14001:2015 audited annually. -
Ordering Key
Model: BC-C75-05W-40K-90-IP67-36D
(Beauty Circular 75 mm, 5 W, 4000 K, CRI 90, IP67, 36° optic)
For project-specific IES files, TM-21 spreadsheets or salt-spray test reports, contact your Beauty STC sales engineer.
Factory Tour: Manufacturing Excellence
Beauty (STC) Manufacturing Co., Ltd. – Jiangmen Factory Overview
As Senior LED Lighting Engineer and Export Manager, I provide this technical and operational overview with full transparency and adherence to industry standards.
Factory Location & Infrastructure
Our Jiangmen facility spans 25,000+ sqm in the Jiangmen National High-Tech Industrial Development Zone, strategically positioned 45km from Guangzhou and 60km from Shenzhen. The factory is fully ISO 9001:2015 certified, RoHS/REACH compliant, and equipped with climate-controlled production zones (22–26°C, 40–60% RH) to ensure precision manufacturing. Dedicated cleanrooms (Class 10,000) support sensitive LED assembly, while ESD-safe workstations and automated material handling minimize contamination risks.
SMT Production Line: Precision & Scalability
For small circular LED lights (e.g., 5–50mm diameter modules, indicator lights, or decorative panels), our SMT line features:
– High-Speed Placement Systems:
– Juki KE-2070 and Yamaha YV100XG machines with ±25μm placement accuracy and 12,000 CPH throughput.
– Capable of handling ultra-fine-pitch components (01005 size, 0.3mm pitch) and flexible PCBs for circular designs.
– Advanced Soldering Process:
– BTU Convection Reflow Ovens with 12-zone thermal profiling (±1°C precision), ensuring void-free solder joints per IPC-A-610 Class 2/3 standards.
– Automated AOI (Automated Optical Inspection) at every stage (post-solder, post-placement) with 99.95% defect detection rate.
– Specialization for Circular LED PCBs:
– Customized jigs for panelization/depanelization of round PCBs to prevent warpage.
– Laser direct imaging (LDI) for fine-pitch circuitry, critical for uniform light distribution in compact designs.
Note: We routinely produce circular LED modules with 1–16 LEDs per unit, supporting COB (Chip-on-Board), SMD (e.g., 2835/3030), or custom chip-on-flex configurations. Thermal management is optimized via aluminum-core PCBs or ceramic substrates where required.
Aging Tests & Reliability Validation
We enforce strict aging protocols per IEC 62612 and IEC 62717 standards to ensure longevity and performance consistency:
– Accelerated Lifespan Testing:
– Units subjected to 1,000+ hours of continuous operation at 60°C ambient temperature, 1.2× rated voltage (for stress testing).
– Real-time monitoring of luminous flux (using integrating spheres), color consistency (CIE 1931 coordinates), and power consumption via Konica Minolta CS-2000 spectroradiometers.
– Environmental Stress Screening (ESS):
– Thermal shock testing (–40°C to +85°C, 50 cycles), humidity resistance (85% RH/85°C for 1,000 hours), and vibration testing (IEC 60068-2-64).
– Data-Driven Quality Control:
– All aging results are logged in our ERP system with traceability to individual production batches. Defect rates are <0.1% for units passing final QA.
OEM Capability for Small Circular LED Lights
We offer end-to-end OEM solutions tailored to your specifications:
– Design & Engineering Support:
– Free DFM (Design for Manufacturability) review by our LED optical engineers. We optimize thermal paths, beam angles (e.g., 120° flood, 30° spot), and color rendering (CRI >90) for circular layouts.
– Rapid prototyping (1–2 weeks) using 3D-printed optical diffusers and PCB mockups.
– Customization Scope:
– Electrical: Constant current/voltage drivers, dimming protocols (0–10V, PWM, DALI), or smart controls (Bluetooth/WiFi).
– Mechanical: Custom housings (aluminum, PC, or acrylic), IP ratings (IP20 to IP67), and mounting solutions (surface, recessed, or magnetic).
– Optical: Precision-molded lenses for uniform illumination (e.g., no hot spots) or decorative effects (e.g., frosted, prismatic).
– Scalability:
– Monthly capacity: 500,000+ units for standard circular LED modules.
– Minimum order quantity (MOQ): 500 pieces for prototypes; 2,000 pieces for mass production (flexible based on complexity).
– Certifications:
– All OEM products comply with CE, UL, FCC, and regional safety standards. We provide full test reports and material safety data sheets (MSDS).
Why Partner with Beauty STC?
- Vertical Integration: In-house PCB fabrication, lens molding, and driver assembly ensure tight quality control and faster iteration.
- Export Excellence: 70% of production is exported globally (EU, North America, APAC), with dedicated logistics teams handling customs, compliance, and FOB/CIF shipping.
- Transparency: Real-time production tracking via our cloud-based MES (Manufacturing Execution System) and weekly progress reports.
Next Steps: For a detailed technical proposal, please share your specific requirements (e.g., dimensions, lumen output, color temperature, voltage, and target application). We’ll provide a CAD model, BOM, and sample within 72 hours.
Beauty (STC) Manufacturing Co., Ltd. – Engineering Reliability into Every Light.
Contact: [Your Name], Senior LED Lighting Engineer & Export Manager
Email: [email protected] | Phone: +86 750 XXXX XXXX
Application Scenarios
Small circular LED luminaires (ø75-200 mm, 6-24 W, 300-1 800 lm) are now the “Swiss-army knife” of commercial lighting.
Below is a field-tested guide that tells you exactly where they add value in hotels, malls and offices, followed by the installation checklist we give every certified contractor before they leave our warehouse.
1. WHERE TO USE THEM – APPLICATION MATRIX
HOTELS
Guest-room entry – 6-8 W, 3000 K, 60° beam, CRI 90+ (guests judge colour of skin & luggage).
Bedhead “wall washer” – 10-12 W, 24° narrow, 2700 K, UGR <19 for TV glare control.
Corridor ceiling – 12 W, 3000 K, 90 min emergency option, IP44 for housekeeping trolleys.
Lift-lobby pendant cluster – 18 W, 3000 K, 97 lm/W, Triac dimmable to 5 % for night mode.
Spa & bathroom – IP54, 24 W, 4000 K, sealed front ring to stop steam ingress.
SHOPPING MALLS
High-end retail gondolas – 24 W, 4000 K, 30° spot, CRI 95, R9>50 for jewellery & cosmetics.
Food-court seating – 18 W, 3000 K, micro-prismatic diffuser, UGR <16 so diners look good on Instagram.
Mall circulation spine – 18 W, 4000 K, 1 m on-centre, 500 lx on floor, 50 000 h L70B10 for 24/7 run.
Pop-up kiosk track – 15 W, 3000-4000 K selectable by DIP, 48 V track adapter, no driver on ceiling = fast re-fit between tenants.
OFFICES
600×600 mm grid replacement – 18 W, 4000 K, 120° batwing optic, 500 lx on 0.75 m work plane, 3-step MacAdam ellipse for no “checker-board” effect.
Small meeting pods – 12 W, 4000 K, 0-10 V dim + microwave sensor (8 min hold, 10 % standby).
Phone-booth acoustical ceiling – 10 W, 4000 K, IP20, <30 dB(A) driver, no flicker <1 % at 1 kHz for Zoom calls.
Reception desk accent – 24 W, 3000 K, 24° with snoot, mounted on 3-circuit track to match corporate colour scheme.
2. CONTRACTOR INSTALLATION CHECKLIST
A. Pre-wire
1. Verify cut-out Ø: 68 mm, 75 mm, 83 mm or 155 mm – our bezel kit is ±2 mm tolerant.
2. Loop-in/loop-out terminal block rated 2×2.5 mm², 450 V, push-fit to save 40 s per point.
3. Driver remote or integrated? Remote ≤1 m cable (supplied) keeps ceiling temperature <45 °C and doubles LED life.
B. Fire & acoustic
1. If downlight penetrates a 30/60/120 min fire slab, use our intumescent pad FR-90 (tested to EN 1365-2).
2. In 50 dB acoustic ceilings, add hood BK-SILENCE-200, maintains 38 dB attenuation.
C. Thermal management
1. Maintain 50 mm clearance above heat sink; insulation must be cut back or use IC-F rated cover.
2. Never wrap thermal insulation over driver; derate load by 15 % if ambient >40 °C.
D. Glare & optics
1. For UGR <19 in offices, use “deep cell” bezel (BB-25) or honeycomb louvre HL-30.
2. In hospitality, specify “black-hole” baffle BB-27 to achieve 0 % direct glare at 30° viewing angle.
E. Dimming protocol
1. Triac/Phase: min. load 6 W, use trailing-edge dimmer (Legrand 4000 series or equivalent).
2. 0-10 V: polarity protected, 1 V = 10 %, 10 V = 100 %, <0.5 mA draw.
3. DALI-2: our DT6 driver ships with short-address “63”; change via DALIcockpit before ceiling closure.
4. Flicker: <1 % at 100 Hz, certified to IEEE 1789-2015 “no-risk” level – take oscilloscope shot for client sign-off.
F. Final measurements
1. Aim for 500 lx ±50 lx on desk, 200 lx in circulation, 50 lx in hotel corridor.
2. Check R9>0 (reds) in retail; use Sekonic C-800 spectrometer.
3. Record driver serial & light engine code with QR sticker inside ceiling for next maintenance cycle.
3. COMMON SITE MISTAKES (SAVE CALL-BACKS)
× Using 12 V AC electronic transformer – our light is 220-240 V constant-current.
× Cutting 83 mm hole for 75 mm fixture – bezel leaves 1 mm ring, client rejects.
× Mounting spring clips on plaster-board alone – always screw secondary safety chain to joist.
× Wrong colour temperature mixed on same DALI address – guests notice 300 K difference.
4. SHIPPING KIT – WHAT’S IN THE BOX
1 × LED module with pre-wired 0.5 m silicone cable
1 × Remote driver (if ordered)
2 × Stainless spring clips + safety wire
1 × Cut-out template sticker
1 × Fire & acoustic accessory pack (optional)
1 × QC report with photometric & flicker data
Need a project-specific IES file, TM-30 report or Revit family?
Email [email protected] with ceiling height, lux target and dimming protocol; we return a layout within 24 h.
Beauty (STC) Manufacturing Co., Ltd. – 18 years, 42 countries, zero landfill production.
Why Choose Beauty STC Lighting
Partner with Beauty STC: Precision Engineered Small Circular LED Lights Exported to 50+ Countries.
Trusted Global Supplier | OEM/ODM Expertise | Compliant with International Standards
Contact Our Export Manager for Tailored Solutions:
📧 [email protected]
Elevate your lighting projects with rigorously tested, energy-efficient designs engineered for reliability and performance. From concept to global delivery—partner with a leader in LED innovation.
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