S.L.P. Lighting

Contact details

  • 1400 South Old Highway 141
  • 63026 Fenton
  • USA

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About Us

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SLP Lighting is a leader in developing and manufacturing a full range of innovative lighting components such as Parabolic Louvers, Prismatic Lenses, and Citadel Enclosures for tough environments.  The first lighting company to have both injection molding and metalizing under one roof to ensure proper quality throughout the entire process.  SLP provides beginning to end service from design, engineering, prototyping, manufacturing and distribution.

As the needs of our customers grew, SLP responded. T8 and T5 lamps were becoming more prevalent and the industry was tired of the same old weatherproof enclosures, so SLP found and developed a new model with better performance: the Citadel 2. The Citadel 2 is still one of the fastest growing products and is quickly becoming the industry standard for weatherproof enclosures.

Now in the world where LED begins to take over SLP has designed an enclosure unlike anything on the market, the Citadel 4S is a compact and robust enclosure designed to protect LED engines in demanding environments. It has been tested and certified UL, NSF, RoHS, NEMA4X, IP65, IP66, IP67, and IP69. Citadel 4S is compatible with mid-power LED modules and LED drivers. The 2XDAR (driver attachment rail) plate snaps into the back of the housing to hold and separate drivers from the boards minimizing heat effects to neighboring Solid State Lighting components. The flat Board Tray is designed for use with Zhaga Compliant 0.95 or 1.60 in LED Board Modules for ease of assembly using a patent pending clip system.

Range of services

Take me directly to Our products


  • Injection Molding

  • Vacuum Metalizing

  • Engineering

  • Prototyping

  • Decorating and Finishing

  • Distribution

  • Lighting Components



Citadel 4S

SLP Lighting's Citadel 4S is a compact and robust enclosure designed to protect LED engines in...

S.L.P. Lighting 1400 South Old Highway 141 63026 Fenton USA +1 636/6004084

Exhibitor at the following trade fair

Light+Building 2016

13.03.2016 - 18.03.2016 Hall: 4.1 Stand: G 10