Marl's 677 Series - a consistently good LED panel indicator

September 2020
1 minute read

Marl's 677 Series LED Panel Indicator makes the best sellers list every year!

Year on year we see steady orders for this product; it can be seen everywhere from helicopters to roller coaster control panels.


  • Ø8.1mm mounting
  • Black anodised aluminium housing
  • Sealed to IP67 - weatherproof
  • Wide viewing angle - smoked lens
  • Internal potting
  • Internal reverse protection diode fitted as standard
  • Range of LED colour options
  • Range of voltage options
  • Flying lead terminations available