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No.20,Huayuan Road,Xiaolan Industrial Avenue,Xiaolan Town,Zhongshan,Guangdong

gzb@liyinled.com

Contact (WhatAPP/Telegtam/Wechat etc.)

+86-18666157138

Fax

+86（0760）23669866

APL-PB-2501

Product origin China

Recessed/surface-mount options. 20mm thin recessed profiles (3W-24W) for Ø75-275mm openings. Surface models: 28mm height, up to 285x285mm. SMD2835 source, 70-80 lm/W efficacy. Aluminum frame + PS diffuser. AC85-265V input, PF≥0.5. CE/RoHS compliant. Ideal for commercial/low-clearance ceilings.

I. Breakthrough Slim-Profile Engineering

20mm Ultra-Thin Chassis Technology

Space Optimization: 48% slimmer than standard panels (avg. 38mm) → ideal for low-clearance ceilings
Heat Dissipation: Anodized aluminum frame + thermal vias PCB design (ΔT≤15°C @24W)
Structural Integrity: Reinforced PS (polystyrene) diffuser withstands 50kg/m² ceiling load

II. Recessed Series Technical Matrix

A. Round Recessed Units

Wattage	Face Ø (mm)	Cutout Ø (mm)	Lumens (lm)	Application Context
3W	Ø85	Ø75	210-240	Closet/cabinet lighting
6W	Ø120	Ø105	420-480	Hotel bathroom downlight
12W	Ø150	Ø135	840-900	Restaurant booth accent
18W	Ø170	Ø150	1,260-1,350	Retail display zone
24W	Ø225	Ø205	1,680-1,800	Conference room perimeter
Jumbo	Ø295	Ø275	2,160-2,400	Airport gate signage backlight

B. Square Recessed Units

Wattage	Face (mm)	Cutout (mm)	Key Advantage
3W	85x85	80x80	Seamless grid ceiling integration
12W	150x150	135x135	Uniform 1:1.2 luminance ratio
24W	225x225	205x205	IP44 kit available (shower areas)

III. Surface-Mount Series Specifications

C. Round Surface Units

Wattage	Overall Ø (mm)	Installation Mode	Beam Spread
6W	Ø110	Screw-fixed canopy	120° flood
18W	Ø210	Suspension chain compatible	140° wide
24W	Ø285	Cable-hung (max 1.5m drop)	Batwing optics

D. Square Surface Units

Size (mm)	Suspension Options	Glare Control (UGR)
160x160	Magnetic mounting plate (5kg)	<16
210x210	Edge-flanged torsion springs	<19
285x285	Aircraft cable system (4-point)	<22

IV. Core Photometric Performance

Parameter	Specification	Testing Protocol
Luminous Efficacy	70-80 lm/W (±5%)	LM-79-08 Annex B
CRI (Ra)	70-80	CIE 13.3
Power Factor	≥0.5 @230V	EN 61000-3-2 Class C
L70 Lifetime	35,000hrs	TM-21-11 extrapolation
Color Consistency	MacAdam Ellipse ≤4 SDCM	ANSI C78.377
THD	≤20% (full load)	IEC 61000-3-15

V. Material Science Breakdown

Component	Material Specification	Certification
Light Guide Frame	6063-T5 aluminum extrusion	EN 573-3 temper rating
Diffuser Plate	Polystyrene (PS) V-0 grade	UL 94 V0 flammability
LED Module	SMD2835 (0.2W/chip)	LM-80 Q90 reported
Driver Housing	Die-cast zinc (external driver)	IP67 (standalone unit)

VI. Global Compliance Ecosystem

Region	Safety	EMC	Energy
EU/UK	EN 60598-2-1 + EN 61347-1	EN IEC 55015/61547	ERP Lot 9 (120lm/W min)
Australia	AS/NZS 60598.1	C-Tick (RCM)	GEMS Act 2012
GCC	GCC-C Mark	GSO EN 55015	SASO 2870:2019
Exclusion	Not rated for wet locations	External driver distance ≤3m

VII. Installation Critical Notes

Recessed Ceiling Prep:

Plasterboard thickness ≥12mm for springs (max load 8kg)
Maintain 25mm clearance from insulation (IEC 60598 Clause 12.5)

Surface-Mount Wiring:

Driver location: Within 3m of light body (voltage drop ≤3%)
Conduit requirement for concrete ceilings

VIII. Packaging & Order Logistics

Type	Units/Carton	Carton Dim (mm)	40HC Qty
Recessed Ø85mm	36	600x400x200	12,960
Surface 285x285	8	700x700x300	3,072
Driver Kit	50 units	500x300x150	28,000

Lead Times:

Standard: 15 days (recessed), 20 days (surface-mount)
RAL color orders: +7 days (min. 200 units)

IX. Performance Validation Data

Thermal Imaging Results (@24W)

Frame temp: 51°C (Ta=25°C)
PS diffuser center: 43°C (ΔT<8°C gradient)
Photometric Uniformity:
Center-to-corner drop: ≤12% (vs. 25% industry average)

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