Modular DC plug LED backlight bar This LED Backlight Bar for Light Boxes uses quick DC plug connections to simplify rear-lighting layouts in advertising light boxes, SEG fabric displays and illuminated signage. Mix the available lengths to fit different frame dimensions without cutting or soldering. Options: 3W / 143mm, 6W / 270.5mm or 9W / 398mm Output: 360lm / 720lm / 1080lm Optics: 15°×60° lens Ordering: select wattage, color temperature and pack quantity Power: DC24V constant-voltage driver required Modular LED Backlighting with Quick DC Plug Connection Designed for advertising light boxes, display frames, and illuminated signage, this modular LED backlight bar features a DC plug connection system that simplifies installation, reduces wiring complexity, and allows flexible lighting configurations. Available in three lengths to match different light box dimensions — no cutting, no soldering, no custom wiring required. Specification 3-LED Version 6-LED Version 9-LED Version Product Type Modular LED Backlight Bar Application Advertising Light Boxes Connection Type DC Plug Connector Voltage DC24V LED Quantity 3 LEDs 6 LEDs 9 LEDs Power 3W ±10% 6W ±10% 9W ±10% Luminous Flux 360 lm ±10% 720 lm ±10% 1080 lm ±10% Size 143×26×15.5mm 270.5×26×15.5mm 398×26×15.5mm Beam Angle 15°×60° Color Temperature 2800–3200K / 3700–4300K / 4700–5300K / 6500–7000K Installation Modular Connection Working Temperature -20°C ~ 50°C Material Aluminum PCB Certifications CE, RoHS Warranty 3 Years Perfect for: Advertising light boxes requiring flexible module layouts SEG fabric displays and backlit signage systems Retail display frames and exhibition backlit walls Custom light box builds where multiple lengths are needed Replacement modules for existing illuminated sign installations ⭐ Plug-In DC Connection for Faster Installation The DC plug connection is the core advantage of this modular system. Connect multiple LED bars quickly without complicated soldering or wiring — making installation and replacement significantly more efficient for commercial light box projects. Plug-in connection — no soldering or custom wiring required Faster assembly for production environments and field installation Easy module replacement during maintenance without rewiring the full system Compatible with standard DC24V light box wiring harnesses Why Choose Modular LED Backlighting? Traditional LED Installation Modular DC Plug System Complex wiring and soldering Simple plug-in connection Difficult to reconfigure Flexible layout adjustment Time-consuming maintenance Fast module swap — no rewiring Fixed length constraints Mix 3-LED, 6-LED, 9-LED as needed Modular Length Options for Different Light Box Sizes Available in 143mm (3-LED), 270.5mm (6-LED), and 398mm (9-LED) versions. Select the suitable module length according to your light box dimensions — or mix lengths within the same installation to achieve precise coverage without gaps or overlap. 3-LED / 143mm — Compact sections, corners, and narrow frame areas 6-LED / 270.5mm — Mid-size panels and standard display frames 9-LED / 398mm — Large format light boxes requiring higher output per module Designed for Advertising Light Box Manufacturing Purpose-built for the commercial display industry. This modular backlight bar is used by light box manufacturers, display integrators, and signage installers who need reliable, consistent backlighting with efficient installation workflows. Advertising light boxes — indoor and outdoor SEG fabric display systems Retail illuminated signage and POP displays Exhibition and trade show backlit walls Custom signage and display frame structures Multiple Color Temperature Options Available in four color temperature selections to match different display requirements. Select the CCT that best suits your display environment — warm white for retail ambiance, natural white for general commercial use, or cool daylight for high-contrast graphic displays. 2800–3200K — Warm White: retail, hospitality, and lifestyle displays 3700–4300K — Natural White: general commercial and office environments 4700–5300K — Neutral Daylight: balanced output for mixed environments 6500–7000K — Cool Daylight: high-contrast graphics and exhibition displays When Should You Use Modular DC Plug LED Bars? Production Efficiency: When your team installs multiple light boxes per day, plug-in connections reduce per-unit assembly time compared to hardwired systems. Field Maintenance: When a module fails in an installed display, DC plug modules can be swapped without rewiring — reducing downtime and service costs. Custom Light Box Builds: When standard fixed-length bars don't match your frame dimensions, mixing 3-LED, 6-LED, and 9-LED modules gives you precise coverage control. Retrofit Installations: When upgrading existing displays, modular plug-in bars integrate into existing DC24V wiring without custom hardware. CE & RoHS Certified CE marked for European compliance and RoHS certified for restricted substance compliance. Suitable for professional advertising, retail, and exhibition environments. Need the certificate for a project or venue requirement? Contact us and we'll send it over. Frequently Asked Questions Q: What is a modular LED backlight bar? A modular LED backlight bar is a connectable lighting component designed for flexible installation inside commercial light boxes and display systems. The DC plug connection allows multiple modules to be combined quickly without soldering or custom wiring. Q: What are the advantages of DC plug LED connections? DC plug connections simplify installation, reduce wiring complexity, and make LED modules easier to replace during maintenance — compared with traditional hardwired LED systems. For production environments, this translates directly into faster assembly and lower service costs. Q: Can multiple modules be connected together? Yes. Multiple LED bars can be combined to create customized lighting layouts according to the size and structure of the light box, using standard DC24V wiring. Q: Which length should I choose? Select based on your light box dimensions. The 3-LED (143mm) version suits compact sections and corners; the 6-LED (270.5mm) version covers mid-size panels; the 9-LED (398mm) version is suited for large format displays. Lengths can be mixed within the same installation. Q: Is this compatible with my existing DC24V light box system? Yes. This module operates on DC24V and uses a standard DC plug connector compatible with most commercial light box wiring systems. No custom hardware is required. Complete Your Light Box Lighting System Need other lighting solutions for different light box structures? This modular DC plug bar works best as part of a complete lighting strategy: 20W High Output LED Bar — Primary illumination for large format light boxes Corner LED Light Bar — Supplemental lighting for dark corners and hard-to-reach areas 7W Optical Lens Module — Precision side lighting for signage panels 📖 Read: Exhibition Lighting Academy — Light Box Lighting Guides → Shipping & Delivery Details 📦 Estimated Delivery 8–18 Business Days ✈️ Carrier FedEx / DHL Express 🌍 Coverage Worldwide — Free Shipping ✅ Ships within 2–5 business days of order confirmation ✅ Customs-friendly commercial invoice included ✅ Factory direct — no middleman markup Not sure which length or how many modules you need? Contact us with your light box dimensions. Need bulk pricing? View Wholesale & Volume Pricing.
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