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Shadow-Caster 4-Channel Underwater Light Relay Module

Shadow-Caster 4-Channel Underwater Light Relay Module

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4-channel underwater light relay module

the scm-pd4ch is a 4-position power distribution box that provides a convenient way to connect up to 4 shadow-caster™ underwater lights. Digital over-current protection for each output ensures the safe operation of multiple lights and provides an easy way to manage the relatively high current switching needs of multiple light installations.

the scm-pd4ch is housed in a compact waterproof box that is ideal for mounting in the bilge and wet locations.


  • compact remote power control box
  • green/red led indicates the status of each output channel
  • individual digital over-current protection for each channel
  • compatible with shadow-caster™ single and multi-color lights
  • recommended when installing two or more underwater lights
  • can be used with a helm-mounted switch or with no switch when using a compatible shadow-caster™ controller
  • blue shadow-caster™ backlight indicates the state
  • 3-year warranty


  • compatible with 12 or 24v systems
  • up to 10 amps per channel
  • 5/16-18” power lugs
  • ip67 wash down rated enclosure

what’s included?

  • 4 position power control box
  • mounting hardware 4 #8 ph ss x.5”

Additional information

Weight1.0000 lbs
Dimensions9.00 × 6.00 × 3.00 in





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