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A Guide to LED Module Strings

LED modules are used in signage and display projects where fast installation, shallow depth, and uniform illumination are critical.

Their integrated lenses allow for use in tight spaces without hot spots, reducing the need for multiple tape runs.

Their compact size, IP-rated build, and pre-wired connection format make them a practical solution for curved surfaces, shallow trays, and outdoor environments.

This article introduces the new Tagra LED Module range, recently launched as part of the Ultra LEDs offering, and where it fits across real-world commercial applications.

What Are LED Modules?

LED modules are pre-wired 12V lighting units used in signage and display installs where LED tape is impractical. Compact, durable, and IP-rated, they suit shallow, curved, or irregular housings, both indoors and outdoors.

Each module typically contains one or more LEDs, mounted on a plastic or resin base, with connection wires attached at each end.

This format makes them ideal for routing around curves, spacing out across uneven surfaces, and fitting into shallow or irregular enclosures where LED tape may be impractical.

Where To Use LED Module Strings

LED modules are ideal for signage and display installs where space is tight, shapes are curved, or enclosures are shallow.

In these conditions, they offer two key advantages:

Lensed optics, which reduce the number of LEDs needed to create even light
Pre-wired format, which eliminates the need for soldering or diffusers in compact builds

This makes them a practical choice for fast, efficient installs where LED tape may require extra depth, solder joins, or profiles to achieve the same result.

While not a full replacement for tape in every case, modules often outperform LED tape in lightboxes and similar applications where flexibility and compact mounting are required.

Typical Applications

Built-up lettering and channel signs
Shop fascia and outdoor branding
Window displays with limited access
Backlighting uneven or segmented surfaces
Lightboxes and compact enclosures
Modular event signage or mobile brand setups

What Is The Difference Between LED Strip And LED Module?

In certain applications, LED modules offer a faster, more reliable solution than LED tape. They are:

Quicker to install with no soldering or profile assembly
Effective in shallow or tight spaces, thanks to integrated lenses that spread light evenly with fewer units
Flexible around curves without needing to cut
Durable outdoors, with IP65 or IP66 protection
Simple to connect using pre-wired jumpers
Stable in mobile or exposed setups, where vibration or weather could affect tape

Modules are ideal where LED tape would need extra housing, sealing, or diffusers to perform effectively, especially in signage, built-up letters, or exposed environments.

Planning Your Install

Driver Compatibility

All modules use 12V DC. Pair with a regulated, non-dimmable 12V LED driver, such as the Tagra 12V 200W model.
Leave 10–20% headroom in driver load
Use RGBW controllers where required
Ensure all connections are secure and protected

Spacing and Mounting

Typical spacing: 100–150mm between modules
Mount with screws using the supplied pads, for long-term security
Fix modules to a solid surface (e.g. ACM panel) to support thermal regulation
Connect in series using the pre-wired leads, up to the maximum run length specified

Recommended Module Use Cases

For indoor display signs: use 1-dot or 2-dot modules in 6500K
For external shop fascias: use 3-dot 6500K modules with IP66 protection
For colour branding or illuminated logos: use RGBW 3-dot modules with a controller

The Tagra LED Module Range

Tagra’s LED modules are designed for trade installers working in retail, display, and signage environments. Built with commercial-grade materials and a simple 12V input, the range covers both static white and RGBW colour formats.

6500K White – PRO Series

1-dot: 0.36W
2-dot: 0.72W
3-dot: 1.08W
12V DC input
IP66 rated
Supplied in 20-packs

Recommended for:

1-dot: Tight-radius lettering and micro signage
2-dot: Mid-size logos and tray signs
3-dot: Large lightboxes and fascia panels

RGBW – COLOUR Series

3-dot format
0.96W per module
12V DC input
IP65 rated
RGBW controller compatible
Supplied in 20-packs

Recommended for:

RGB signage requiring accurate colour mixing
Animated display runs with motion sequences
Full-spectrum installs with programmable zones
Retail displays needing programmable colour highlights

FAQs

Can LED modules be cut like tape?

LED modules can’t be cut like tape. Each module is pre-wired and must be removed or replaced individually without cutting the chain.

Can I run these on 24V?

Tagra LED modules can’t be run on 24V. They are specifically designed for 12V input only and will not function correctly at higher voltages.

Are they dimmable?

Only the RGBW LED modules are dimmable. These require a compatible RGBW controller. PRO series modules have a fixed output and do not support dimming.

Can I use these in enclosed signage?

LED modules can be used in enclosed signage if airflow is considered. IP-rated versions are suitable for sealed applications but still need thermal management.

Can LED modules be replaced?

LED modules can be replaced, but not as a simple plug-in swap. Each unit is part of a pre-wired chain, so faulty modules must be desoldered and replaced to maintain continuity.

How long do LED modules last?

Tagra LED modules typically last between 30,000 and 50,000 hours. Lifespan depends on installation conditions, driver quality, and heat management.

Explore the Range

The Tagra LED Module Series is built for signage and display projects where LED tape isn’t the right fit. From curved channel letters to fascia panels and colour-branded displays, the range offers compact, IP-rated, 12V solutions with minimal setup.

Explore the range online or speak to our technical team for advice on driver pairing, spacing, and install planning.

Get in touch with Ultra LEDs today

Planning a signage or display install? Our LED module range covers all formats and brightness levels. We also stock LED tape, Neon Flex, drivers, and more.