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A comprehensive range of Panel Indicator LEDs from Marl, an industry leader in the design, manufacture and distribution of LED products

For further enquiries, prices, samples and deliveries please contact our office on sales@4most.co.uk or +44 (0)1371 811171.

LED Component & Indicator Guide

LED Component & Indicator Guide


357 Series 9.9mm mounting

357 Series 9.9mm mounting

  • Ø9.9mm mounting
  • Quick-Mount
  • Plastic Housing
  • Range of LED Colours
  • Diffused Colour LED/Lens
  • Standard Intensity LEDs
  • Solder Pins or Wire Terminations

502 Series 8.1mm mounting

502 Series 8.1mm mounting

• Ø8.1 mounting
• Nickel plated brass housing
• Sealed to IP67 - weatherproof
• Water clear lens
• Internal potting
• Reverse protection diode fitted in all voltage models
• Range of LED colour options
• Range of voltage options
• Standard industrial mounting size
• Suitable for industrial applications
• Suitable for external applications
• Water clear lens gives clear “off” state

507 Series 8.1mm mounting

507 Series 8.1mm mounting

• Ø8.1mm mounting
• Robust bright nickel plated brass housing
• Low profile styling, sunlight readable LEDs
• Sealed to IP67
• Internal reverse protection diode fitted as standard in all voltage models

508 Series 8.1mm mounting

508 Series 8.1mm mounting

  • Ø8.1mm mounting
  • Nickel plated brass housing
  • Sealed to IP67 - weatherproof
  • Wide viewing angle - smoked lens
  • Internal potting
  • Reverse protection diode fitted in all voltage models
  • Range of LED colour options
  • Range of voltage options

524 Series 8.1mm mounting

524 Series 8.1mm mounting

  • Ø8.1mm mounting
  • Stainless steel housing
  • Sealed to IP67 - weatherproof
  • Coloured diffused lens
  • Internal potting
  • Reverse protection diode fitted in all voltage models
  • Range of LED colour options
  • Range of voltage options

525 Series

525 Series

Multi-Colour / RGB LED, individually addressable

• Ø8.1mm mounting
• Nickel Plated Brass housing
• Sealed to IP67 - weatherproof
• White diffused lens
• Internal potting
• Reverse protection diode fitted as standard
• Multi-Colour / RGB LED, individually addressable
• One panel indication with 25 LED colours
• Outstanding reliability
• Vandal resistant

534 Series 8.1mm mounting

534 Series 8.1mm mounting

  • Ø8.1mm mounting
  • Stainless steel housing
  • Sealed to IP67 - weatherproof
  • Coloured diffused lens
  • Internal potting
  • Bi-polar circuitry
  • Range of LED colour options
  • Custom voltage options available

537 Series 8.1mm mounting

537 Series 8.1mm mounting

  • Ø8.1mm mounting
  • Nickel plated brass housing
  • Sealed to IP67 - weatherproof
  • Coloured diffused lens
  • Internal potting
  • Bi-polar circuitry
  • Range of LED colour options
  • Range of voltage options

571 Series 8.0mm mounting

571 Series 8.0mm mounting

  • Ø8.0mm mounting
  • Nickel Plated Brass Housing
  • Range of LED Colours
  • Standard Intensity LEDs
  • Diffused Colour LED/Lens
  • Solder Pins or Wire Terminations

573 Series 8.0mm mounting

573 Series 8.0mm mounting

  • Ø8.0mm mounting
  • Nickel Plated Brass Housing
  • Range of LED Colours
  • Standard Intensity LEDs
  • Diffused Colour LED/Lens
  • Solder Pins or Wire Terminations

614 Bi Coloured Series

614 Bi Coloured Series

• Black anodised aluminium housing
• Sealed to IP67 - weatherproof
• Water clear lens
• Flying lead termination available
• Dual state LED indicator saves panel space and reduces assembly time.

614 Tri Coloured Series

614 Tri Coloured Series

• Ø8.1mm mounting
• Works as a tri-colour indicator
• Black anodised aluminium housing
• Sealed to IP67 - weatherproof
• Water clear lens
• Internal potting
• Reverse protection diode fitted in all voltage models
• Range of voltage options

643 Series 8.1mm mounting

643 Series 8.1mm mounting

• Ø8.1mm mounting
• Black anodised aluminium housing
• Colour diffused lens
• Short body length is ideal for portable equipment
• Wide viewing angle
• Sealed to IP67

661 Series 9.9mm mounting

661 Series 9.9mm mounting

  • Ø9.9mm mounting
  • Plastic Housing
  • Range of LED Colours
  • Sealed to IP67
  • Solder Pins or Wire Terminations
  • Diffused Lens

665 Series 8.5mm mounting

665 Series 8.5mm mounting

  • Ø8.5mm mounting
  • Marine grade hard anodised aluminium black body
  • Unique PTFE mounting / panel seal
  • Sealed to IP68 - protection to 10psi
  • Coloured diffused lens
  • Internal potting
  • 150mm flying leads as standard
  • Range of LED colour options

669 Series 8.5mm mounting

669 Series 8.5mm mounting

• Ø8.5mm mounting
• Unique hexagonal bezel to aid mounting to panel
• Sealed to IP68 (0.34 bar)
• Ideal for marine applications
• Hard, black anodised aluminium housing
• Unique PTFE mounting/ panel seal

676 Series  8.1mm mounting

676 Series 8.1mm mounting

• Ø8.1mm mounting
• Black anodised aluminium housing
• Sealed to IP67
• Smoked lens for high on/ off contrast ratio
• Internally potted for use in high vibration applications
• Internal reverse protection diode fitted as standard

677 EMC Series 8.1mm mounting

677 EMC Series 8.1mm mounting

  • Ø8.1mm mounting
  • EMC mesh under lens protects against EMI/RFI
  • Black chrome aluminium housing
  • Sealed to IP67 - weatherproof
  • Wide viewing angle - smoked lens
  • Internal potting
  • Reverse protection diode fitted in all voltage models
  • Range of LED colour options
  • Range of voltage options

677 Series 8.1mm mounting

677 Series 8.1mm mounting

  • Ø8.1mm mounting
  • Black anodised aluminium housing
  • Sealed to IP67 - weatherproof
  • Wide viewing angle - smoked lens
  • Internal potting
  • Reverse protection diode fitted in all voltage models
  • Range of LED colour options
  • Range of voltage options

690 Series 9.6mm mounting

690 Series 9.6mm mounting

  • Ø9.6mm (3/8") mounting
  • UL Certified - certificate number E349017
  • Black anodised aluminium housing
  • Sealed to IP67 - weatherproof
  • Flat water clear lens
  • Internal potting
  • Bi-polar circuitry
  • Range of LED colour options
  • Multi voltage

698 Series 8.1mm mounting

698 Series 8.1mm mounting

  • Ø8.1mm mounting
  • Black anodised aluminium housing
  • Sealed to IP67 - weatherproof
  • Wide viewing angle - smoked lens
  • Internal potting
  • Bi-polar circuitry
  • Range of LED colour options
  • Range of voltage options