Dialight 657 Series Bi- & Tri-Color LED Indicators

Dialight 657 Series Bi- and Tri-Color Watertight LED Panel Mount Indicators are IP67, and NEMA 4X certified, designed with a highly durable watertight housing. The Bi- and Tri-Color PMIs are offered with a doomed or flat lens and 3 or 4 lead wires, respectively. Additionally, the PMIs feature 10VDC to 30VDC with no resistor required.

The Dialight 657 Series Bi- and Tri-Color LED Indicators are available in a polycarbonate housing and operate at a -40°C to +85°C temperature.


  • Certifications and Ratings
    • RoHS compliant
    • NEMA 4X
    • IP67
  • Mechanical
    • 0.687" (17.46mm) Mounting hole size
    • 0.350" (8.89mm) Max panel thickness
    • 15 in-lbs Mounting torque


  • Electrical control panels
  • Wastewater treatment controls
  • Buses and transit vehicles dashboards
  • Agricultural and construction equipment dashboards
  • Aircraft and military vehicles dashboards
  • Status Indication on industrial equipment


  • 10VDC-30VDC (No resistor required) voltage options
  • -40°C to +85°C (-40°F to +185°F) Operating temperature
  • -40°C to +100°C (-40°F to +212°F) Storage temperature
  • Electrical connection of 18AWG anti-capillary wire
  • Polycarbonate housing (UL 94V-0)
  • Polycarbonate lens material (UL 94V-0)
  • 6" Wire leads (The color is the same color wire as LED color, black wire is common ground)
  • White nickel-plated bronze lock washer
  • White nickel-plated brass nut


Dimensions inches (mm)

Mechanical Drawing - Dialight 657 Series Bi- & Tri-Color LED Indicators
게시일: 2021-10-14 | 갱신일: 2022-05-23