Panel Indicators, Pilot Lights

Image Part Number Description / PDF Quantity Rfq
SSI-LXW06DNS-Y

SSI-LXW06DNS-Y

Lumex, Inc.

LED IND M6 PNL MT YLW 2V IP67

2

SSI-LX5099SYSUGW30

SSI-LX5099SYSUGW30

Lumex, Inc.

LED PANEL IND GREEN/YLW 2.2V/2V

0

SSI-LXR4815SRD-150

SSI-LXR4815SRD-150

Lumex, Inc.

LED T-5MM W/LD 660NM SRD DFF RFL

0

SSI-LXH312HGW-150

SSI-LXH312HGW-150

Lumex, Inc.

LED T-3MM 695/565NM RD/GN WH DFF

0

SSI-LXH312ID-300

SSI-LXH312ID-300

Lumex, Inc.

LED T-3MM 635NM RED DIFF

0

SSI-LXH600GD12V150

SSI-LXH600GD12V150

Lumex, Inc.

LED 5MM 12V GRN DIFF 6"LDS PNLMT

0

SSI-LXH387SUGD-150

SSI-LXH387SUGD-150

Lumex, Inc.

LED PANEL INDICATOR GREEN 2.2V

0

SSI-LXR3816ID-150

SSI-LXR3816ID-150

Lumex, Inc.

LED T-5MM W/LD 635NM RED DFF MTL

0

SSI-LXH55SRD

SSI-LXH55SRD

Lumex, Inc.

LED 5X5MM SQR SUP RED PANEL MNT

0

SSI-LXW08DNS-I12V

SSI-LXW08DNS-I12V

Lumex, Inc.

LED IND M8 PNL MT RED 12V IP67

0

SSI-LXW06DNS-Y12V

SSI-LXW06DNS-Y12V

Lumex, Inc.

LED IND M6 PNL MT YLW 12V IP67

0

SSI-LXH55ID

SSI-LXH55ID

Lumex, Inc.

LED 5X5MM SQR RED DIFF PANEL MT

0

SSI-RM3091SOD-150

SSI-RM3091SOD-150

Lumex, Inc.

LED 3MM SUP ORNG 6"LDS REARPNLMT

0

SSI-LXH9ID/-150

SSI-LXH9ID/-150

Lumex, Inc.

LED 5MM RED 6"LDS REAR PANEL MT

0

SSI-LXMP5011IC-150

SSI-LXMP5011IC-150

Lumex, Inc.

LED 12MM SQR RED CLR 6"LDS PNLMT

0

SSI-LXH1090YD

SSI-LXH1090YD

Lumex, Inc.

LED 10MM YEL PANEL MOUNT

0

SSI-LXH8080YD

SSI-LXH8080YD

Lumex, Inc.

LED 8MM YELLOW DIFF PANEL MOUNT

0

SSI-LXH8080GD

SSI-LXH8080GD

Lumex, Inc.

LED 8MM GREEN DIFF PANEL MOUNT

0

SSI-LXMP5011SRC150

SSI-LXMP5011SRC150

Lumex, Inc.

LED 12MMSQR SUPREDCLR 6"LD PNLMT

0

SSI-LXR1612SRD

SSI-LXR1612SRD

Lumex, Inc.

LED 3MM FLUSH SUP RED DIFF PNLMT

0

Panel Indicators, Pilot Lights

1. Overview

Panel indicators and pilot lights are optoelectronic devices that provide visual status feedback in electrical and electronic systems. These components convert electrical signals into light outputs, enabling operators to monitor equipment conditions at a glance. Their importance spans across industrial automation, consumer electronics, transportation, and medical devices, where reliable visual indication ensures operational safety, efficiency, and user interaction.

2. Major Types and Functional Classification

TypeFunctional FeaturesApplication Examples
LED Panel IndicatorsLow power consumption, long lifespan, instant responseIndustrial control panels, HVAC systems
Lamp-based Pilot LightsHigh brightness, compatibility with AC/DC circuitsMachinery status indication, heavy-duty equipment
Combined Indicator/SwitchIntegrated illumination with manual controlEmergency stop circuits, control desks
Multi-color IndicatorsProgrammable color outputs for status differentiationNetwork routers, medical diagnostic equipment
Remote IndicatorsSeparate light source and panel moduleAutomotive dashboards, aerospace control systems

3. Structure and Components

Typical construction includes:

  • Light Source: LED chips or filament bulbs with specific color/wavelength
  • Housing: Thermoplastic or metal body with mounting threads (e.g., M20, NPT)
  • Optical System: Diffused or focused lens for uniform light distribution
  • Electrical Interface: Screw terminals, PCB pins, or quick-connect terminals
  • Sealing Elements: Rubber gaskets for IP65+ protection ratings

4. Key Technical Specifications

ParameterSignificance
Operating Voltage RangeDetermines compatibility with control circuits (3-480V AC/DC)
Luminous Intensity (cd)Affects visibility in different lighting conditions
Color Wavelength (nm)Standardizes visual coding (e.g., 630nm red for warnings)
MTBF (Hours)Indicates reliability (LED: 50,000-100,000 hours)
IP RatingDefines environmental protection level
Response Time (ms)Critical for real-time status monitoring

5. Application Areas

  • Industrial: CNC machines, PLC control cabinets, factory automation
  • Transportation: Locomotive control panels, aircraft avionics
  • Medical: Patient monitors, imaging equipment status indicators
  • Consumer: Home appliance power indicators, audio equipment
  • Energy: Solar inverters, smart grid monitoring systems

6. Leading Manufacturers and Products

ManufacturerRepresentative ProductKey Features
Phoenix ContactILLINOX seriesModular design, IP69K rating
OmronXLDC12E-4AHUltra-compact LED indicator with 100,000-hour lifespan
Siemens8WA1000 seriesMulti-voltage capability (24-415V AC/DC)
EatonPilot Lights H45KShock-resistant filament lamps for heavy-duty use
TE ConnectivityCapLED Capacitive touch-enabled indicator

7. Selection Recommendations

Key considerations:

  • Environmental factors: Temperature range (-40 C to +85 C), vibration levels
  • Electrical compatibility: Voltage matching and circuit type (AC/DC)
  • Visibility requirements: Ambient light conditions and viewing distance
  • Certification needs: UL, CE, RoHS compliance for regulatory environments
  • Mechanical specifications: Panel cutout size (commonly 16/22/30mm)

Example: Selecting an IP67-rated LED indicator with 24V DC operation for a food processing plant's washdown area.

Industry Trends

Emerging developments include:

  • Integration with IoT systems for smart status monitoring
  • Miniaturization for high-density panel designs
  • RGB-LED technology for dynamic color coding
  • Energy harvesting indicators for self-powered operation
  • Enhanced durability coatings for extreme environments
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