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PL Lamps

PL lamps, also known as compact fluorescent lamps (CFLs) with plug-in fittings, have been a widely used light source in functional environments for decades. They are often found in downlighters, wall lights, and ceiling fixtures in offices, shops, hospitals, and public buildings. Their compact size and efficient light distribution made them a popular choice for general lighting.

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  • Pay later within 30 days
  • Return up to 60 days later
  • Ordered before 7:00 PM, shipped the same day
  • Free shipping on orders over 49,-

Overview of PL Lamps and Their Fittings

PL lamps come in various types, each with its own fitting. The main differences lie in the number of pins and the specific base of the fitting, which determine compatibility with the fixture.

Most Common PL Lamp Fittings and Types
Type of PL Lamp Number of Pins Fitting Type Typical Application
PL-S 2 or 4 G23 (2-pin) or 2G7 (4-pin) Small downlighters, corridors, emergency lighting
PL-C 2 or 4 G24d (2-pin) or G24q (4-pin) General lighting, larger downlighters in offices
PL-L 4 2G11 Long fixtures, large areas, line lighting
Overview of the different types of PL lamps, their corresponding fittings, and examples of common applications.

When selecting a replacement, always pay close attention to the fitting. An incorrect fitting will not fit your fixture and will not work.

Why Switching to LED PL Lamps Offers Advantages

The transition from traditional PL lamps to LED variants is a logical step for many companies and facility managers. This move is not just a response to changing regulations, but also provides tangible operational benefits.

  • Substantial energy savings: LED PL lamps consume significantly less energy than their fluorescent counterparts—up to 60% or even more. This directly and noticeably reduces energy costs, leading to significant long-term savings.
  • Much longer lifespan: While traditional PL lamps have a lifespan of about 10,000 to 20,000 operating hours, LED PL lamps easily last 30,000 to 50,000 hours. This greatly reduces the frequency of lamp replacements, resulting in lower maintenance costs and less disruption to business operations.
  • Instant full brightness: LED PL lamps deliver full light output immediately after being switched on, unlike fluorescent lamps which typically require a warm-up period. This contributes to a more comfortable and instantly functional lighting experience.
  • Environmentally friendly choice: Traditional PL lamps contain mercury, a substance that can be harmful to the environment and health if broken. LED PL lamps are mercury-free and much easier to recycle, making them a more sustainable option.

Selecting a Suitable LED PL Replacement

Switching to LED PL lamps requires attention to compatibility and installation methods. It is important to choose the correct LED variant that fits your existing fixture and electrical installation.

Compatibility and Installation

PL lamps operate with a ballast that regulates the current. For LED PL lamps, there are two main types that determine how the lamp is installed:

Installation Methods for LED PL Lamps
Method Type of LED PL Installation Suitable for Attention Point
Plug-and-play 'Direct Replacement' (Type A) Directly into existing fixture with compatible ballast. Fixtures with electronic or magnetic ballast. Check ballast compatibility. Sometimes an LED starter is needed.
Ballast bypass 'Mains Voltage' (Type B) Remove ballast and connect directly to mains voltage. Fixtures where the ballast may be removed. Requires rewiring by a professional.
This diagram helps to understand the different installation methods for LED PL lamps.

For installers: always check whether the existing ballast is compatible with the "plug-and-play" LED variant. If in doubt, or for maximum efficiency, removing the ballast and connecting directly to the mains is recommended. This simplifies long-term installation and prevents problems with potentially failing ballasts.

Key Specifications to Consider

When choosing an LED PL lamp, pay attention not only to the fitting and installation method but also to light quality and brightness:

  • Lumen (light output): Indicates how much light the lamp produces. Compare the lumen value of the LED replacement to your current PL lamp to achieve comparable or better illumination.
  • Light color (Kelvin): Expressed in Kelvin (K), this determines the ambience of the light. Common options include:
    • Warm white (2700K-3000K): Suitable for spaces where a warm, inviting atmosphere is desired, such as restaurants or reception areas.
    • Cool white (4000K): Often used in offices, kitchens, and corridors for bright, neutral lighting.
    • Daylight white (6000K-6500K): This very bright color is practical for workplaces that require focus and clear visibility, such as warehouses or production areas.
  • Color Rendering Index (CRI): This value, on a scale from 0 to 100, measures how accurately colors are represented. For most applications, a CRI of 80 or higher is recommended to ensure objects and surfaces appear true to life.

Recycling Old PL Lamps

Because traditional PL lamps contain mercury, they must not be disposed of with regular household waste. Return these lamps to a municipal collection point for hazardous waste or to special collection points in DIY stores or electronics shops. This ensures the materials are processed and recycled responsibly.