IP54 and IP66 industrial LED power supplies for harsh environments

IP54 and IP66 industrial LED power supplies: guide for harsh environments

In industrial environments, lighting is subject to continuous stress and complex operating conditions. Dust, humidity, vibrations, temperature changes, and frequent washing can compromise the durability and reliability of electrical components. In this context, industrial LED power supplies are one of the most critical elements of the entire lighting system .

Choosing a suitable IP54 or IP66 industrial LED power supply means improving safety, ensuring lighting continuity, and significantly reducing maintenance costs. 

In this guide, we take an in-depth look at IP protection ratings, the main application contexts, and Tector's professional solutions for harsh environments.


Why the environment affects the choice of power supply

The installation environment imposes specific requirements: degree of protection (IP), resistance to temperature, dust, or humidity. Choosing a suitable power supply means:

  • avoiding failures or short circuits 
  • ensuring long-lasting LED performance 
  • maintaining luminous efficiency 
  • ensuring the electrical safety of the system


Classification of installation environments


Power supplies for indoor environments

Power supplies installed indoors generally have more favorable conditions, but this does not make the choice any less important.

Power supplies for dry areas

In living rooms, bedrooms, offices, or shops, a power supply with a standard degree of protection, typically IP20, installed in a location not exposed to risks, is sufficient.

These power supplies:

  • guarantee excellent performance
  • are compact
  • offer good value for money


They are perfect for powering LED strips, recessed spotlights, and small architectural lighting systems.


Power supplies for damp indoor environments

Bathrooms, kitchens, basements, laundry rooms, and wellness areas require greater protection. In these cases, it is advisable to choose an IP44 or higher power supply that is resistant to water splashes and condensation.

An adequate IP rating:

  • prevents short circuits due to humidity
  • protects internal electronics
  • guarantees safety and durability


Power supplies for outdoor environments

Outdoor spaces present more complex conditions such as rain, constant humidity, wind, temperature changes, and dust.

Protection against water and atmospheric agents

For installations in gardens, terraces, facade lighting, or outdoor areas, it is necessary to choose power supplies with an IP65, IP66, or IP67 protection rating.

These levels ensure:

  • protection against dust and sand
  • resistance to rain, splashes, and water jets
  • watertightness in exposed installations


An IP67 power supply, in particular, is ideal for installations very close to the ground or subject to high humidity.

Resistance to outdoor temperatures

It is also important to check the operating temperature range. In cold or very hot environments, choosing power supplies designed to withstand temperature changes prevents failures and efficiency losses.


Power supplies for dusty or industrial environments

Laboratories, warehouses, workshops, or environments with moving machinery require reinforced power supplies.

Protection against dust and debris

An IP40, IP54, or IP65 protection rating protects the device from fine dust, metal debris, and microparticles that could infiltrate and damage the electronics.

In these contexts, choosing models with a metal casing and enhanced heat dissipation improves reliability.


Power, voltage, and type of power supply

In addition to the environment, it is essential to correctly assess the technical characteristics:

  • Power: add up the consumption of the LEDs and add a safety margin of 20-30%.
  • Voltage or current: choose between constant voltage (12V or 24V) or constant current power supplies, depending on the type of LED used.
  • Certifications: ensure that the product complies with CE and RoHS regulations. ​


Recommended power supplies from the Tector range

The website offers a selection of professional power supplies designed for various lighting applications. The recommended models are listed below:

  • SNP / ELG / HLG / LX series
    High-performance professional power supplies, suitable for both indoor and outdoor use. They offer high levels of protection, robust construction, and continuous operation even in the most demanding operating conditions. 
  • 26700 Series 
    Powerful, high-performance solutions, ideal for continuous applications requiring electrical stability and long life.
  • LXP Series 
    Power supplies designed to ensure consistent performance, suitable for installations where long-term reliability is required; protected against overload and overvoltage.
  • EK / HK / LK Series 
    Reliable and versatile power supplies, ideal for indoor or outdoor LED installations. They stand out for their compact size, good energy efficiency, and voltage stability, making them perfect for standard residential and commercial applications.


Investing in a suitable power supply means enhancing the entire lighting system and ensuring high performance over time. 

For For over 20 years, Tector has been the benchmark for lighting professionals. Contact us now per una consulenza! 

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