18W Surface Mount Underwater

The SL3255 underwater surface-mount fittings are suitable for underwater illumination where a recessed option is not suitable. The fittings have excellent light output and are suitable for all residential & commercial underwater applications such as ponds, swimming pools, water-features etc.

The fittings are constructed from solid marine grade stainless steel and are IP68 submersible rated for all residential or commercial water-features. Available in single colour or RGB.


Input Voltage:
Max Power Consumption:
LED Quantity:
LED Classification:
CREE XR High Power LED 3W (700mA)
Standard Viewing Angle:
Fitting Diameter:
Fitting Depth:
Solid 316 Marine Grade Stainless Steel
IP Protection Rating:
IP68 for Submersible Installation
Energy Consumption:
No of Possible Defined Colours:
16.7 Million (RGB version)

Photometric Information

  • SL3255-11     RED  Typical Wavelength:  RED 650nm
  • SL3255-12     green  Typical Wavelength:  GREEN 540nm
  • SL3255-13     blue  Typical Wavelength:  BLUE 455nm
  • SL3255-15     cyan  CCT: 6500K    CRI:  >80
  • SL3255-21     yellowbright  CCT: 3200K    CRI:  >85
  • SL3255-35     RGB  RGB Colour Controllable

Detailed photometric report and IES files available by request

Typical Applications

  • General purpose underwater lighting
  • Water features, ponds and fountains

3D Modelling & Lighting Design

Superlight can provide detailed 3D modelling and lighting design services for your project, including wiring schematics and lighting control system design. Contact us for more information.

Control & Dimming Compatibility

Compatible with any Superlight constant voltage LED controller

Customisation Options

  • Customised cable length available by special request
  • DMX control options available

Customisation options are subject to availability and minimum order quantities

Ordering Information

  • SL3255-11     6 x 3W LED Underwater Surface Fixture REDRED
  • SL3255-12     6 x 3W LED Underwater Surface Fixture greenGREEN
  • SL3255-13     6 x 3W LED Underwater Surface Fixture blueBLUE
  • SL3255-15     6 x 3W LED Underwater Surface Fixture cyanCOOL WHITE
  • SL3255-21     6 x 3W LED Underwater Surface Fixture yellowbrightWARM WHITE
  • SL3255-35     6 x 3W LED Underwater Surface Fixture RGBRGB