LED Sign Power Supplies

FAHOLD manufactures LED sign power supplies and constant-voltage LED drivers for channel letters, illuminated signs, light boxes, cabinet signs and commercial signage applications. Our signage LED power supply range includes compact single-output models, Class 2 multi-channel solutions and higher-power platforms for 12V, 24V and selected 36V/48V lighting systems.

Compare sign power supplies by output voltage, rated wattage, number of circuits, enclosure size, input voltage and IP protection. Available product platforms include 100–277Vac and 120–277Vac input configurations, depending on the selected model.

FAHOLD supports sign manufacturers, distributors, lighting brands and commercial project contractors with technical model matching, datasheets, engineering samples, OEM/ODM requirements and volume quotations. Browse the products below or choose a dedicated series for your signage project.

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Compare LED Sign Power Supplies by Application and Output Design

FAHOLD provides signage power supplies for different illuminated sign designs, from compact channel letters and LED sign panels to large light boxes and commercial advertising signs.

The best power supply depends on the LED module voltage, connected load, available enclosure space and required power distribution architecture.

Signage RequirementRecommended FAHOLD SeriesProduct Selection
Compact channel letters and narrow sign enclosuresL2-E Slim Single-Output12V/24V, 20–150W model classes, non-dimmable
Illuminated sign panels and cabinet signs using one regulated outputL2-E / L3 Single-OutputChoose according to output voltage, total wattage and enclosure size
Large LED light boxes and signs requiring divided output circuitsL2 Multi-Channel Class 212V/24V, individual output limits and multiple circuits
High-power commercial signage using a single DC outputL3 Isolated Single-Output12V/24V/36V/48V options, subject to model availability and project requirements

Find the Right Signage Power Supply Series

L2-E Slim LED Sign Power Supplies

For channel letters, small illuminated signs and compact cabinets where installation space is limited. Available configurations cover 12V and 24V constant-voltage LED systems.

L2 Multi-Channel Class 2 LED Power Supplies

For larger illuminated signs, light boxes and distributed LED modules requiring multiple output circuits. Select each circuit based on its actual current and power rating.

L3 High-Power LED Sign Power Supplies

For higher-power signage systems requiring a single isolated constant-voltage output. Confirm the relevant voltage, output capacity, mounting environment and safety requirements before specifying a model.

For projects requiring additional options, compare our Single-Output LED Sign Power Supplies or Class 2 Multi-Channel Power Supplies.

FAHOLD can help sign manufacturers and OEM buyers shortlist suitable LED sign drivers and confirm final specifications before requesting samples or bulk quotations.

Frequently Asked Questions

What type of power supply is used for LED signs?

Most LED signs using LED modules or constant-voltage LED strips require a regulated constant-voltage LED power supply. Common output voltages are 12V and 24V, while selected higher-power systems may use 36V or 48V. The power supply output voltage must match the rated voltage of the connected LED load.

Should I use a 12V or 24V power supply for an LED sign?

Use the voltage specified for the LED modules or strips installed in the sign. A 12V load requires a 12V power supply and a 24V load requires a 24V power supply. At the same wattage, a 24V system operates at lower current, which can help reduce voltage drop and simplify wiring in some larger installations.

What is the difference between a Class 2 multi-channel and single-output LED sign power supply?

A Class 2 multi-channel power supply distributes power through several separate output circuits, while a single-output power supply provides one regulated DC output. Multi-channel designs are useful when a large sign is divided into several electrical sections, while single-output models are suitable when the system is designed around one DC power bus.

How do I calculate the wattage required for an LED sign power supply?

Add the rated wattage of all LED modules, strips or other loads that will be connected to the power supply. Then select a model with appropriate capacity and design headroom. Output voltage, current, channel limits, AC input, installation environment and enclosure requirements must also be checked before final selection.

What is a Class 2 LED power supply for signage?

A Class 2 LED power supply is designed around limited-power output circuit requirements used in applicable lighting and signage systems. Multi-channel Class 2 products can divide a larger sign load across several separate circuits. The permitted voltage, current and power per circuit must be confirmed for the specific model and project.

Can LED sign power supplies be used outdoors?

Selected LED sign power supplies are available with IP-rated protection for damp or outdoor signage environments. The required product depends on the installation conditions, and the complete system must also consider cable entries, connectors, junctions, enclosure protection, temperature and mounting method.

Are LED sign power supplies dimmable?

It depends on the product platform. Some FAHOLD signage power supplies are fixed-output and non-dimmable, while selected products support dimming or control functions. Confirm the required dimming method and select a compatible series before choosing the final model.

What input voltages are available for FAHOLD LED sign power supplies?

FAHOLD sign power supply platforms include 100–277Vac and 120–277Vac rated input ranges depending on the series and model. Always verify the input specification on the individual product page or datasheet before selecting a power supply for the destination market or project.

What information is needed to select an LED sign power supply?

The key information includes LED load voltage, total wattage, required output current, number of output circuits, dimming requirement, AC input voltage, installation environment, available enclosure space and any applicable certification requirements. Providing these parameters allows the product range to be narrowed much more accurately.

Does FAHOLD provide OEM LED sign power supplies?

FAHOLD supports OEM and project-based LED sign power supply requirements, including product matching and evaluation of project-specific electrical, housing, cable, connector, label and packaging requirements. Final customization options depend on the selected platform, technical requirements and order conditions.

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