Panel Indicators, Pilot Lights

Image Part Number Description / PDF Quantity Rfq
SSI-LXMP059GD

SSI-LXMP059GD

Lumex, Inc.

LED 2X5MM GREEN PANEL MOUNT

0

SSI-LXH9YD-150

SSI-LXH9YD-150

Lumex, Inc.

LED 5MM YEL 6"LDS REAR PANEL MT

0

SSI-LXH9SRD-150

SSI-LXH9SRD-150

Lumex, Inc.

LED 5MM SUP RED 6"LDS REAR PNLMT

2405

SSI-LXH8080SRD

SSI-LXH8080SRD

Lumex, Inc.

LED 8MM SUPER RED DIFF PANEL MNT

0

SSI-LXR4815GD

SSI-LXR4815GD

Lumex, Inc.

LED 5MM GREEN REFLECTOR PANEL MT

2042

SSI-LXR9126SYD110V

SSI-LXR9126SYD110V

Lumex, Inc.

LED YLW PNL MNT 6"LDS W/CONN

0

SSI-LXH312GD-150

SSI-LXH312GD-150

Lumex, Inc.

LED 3MM GREEN 6"LDS PANEL MOUNT

8086

SSI-LXR4815YD

SSI-LXR4815YD

Lumex, Inc.

LED 5MM YELLOW DIFF REFL PANELMT

4238

SSI-LXMP5011GC-150

SSI-LXMP5011GC-150

Lumex, Inc.

LED 12MM SQR GRN CLR 6"LDS PNLMT

0

SSI-LXH1090GD

SSI-LXH1090GD

Lumex, Inc.

LED 10MM GRN PANEL MOUNT

5724

SSI-LXR3816SID-150

SSI-LXR3816SID-150

Lumex, Inc.

LED PANEL INDICATOR RED 2V

0

SSI-LXR3816SGD-150

SSI-LXR3816SGD-150

Lumex, Inc.

LED PANEL INDICATOR GREEN 2.2V

0

SSI-LXR5010GD5V405

SSI-LXR5010GD5V405

Lumex, Inc.

BLK BEZEL LED INDICATOR LED LENS

0

SSI-LXH9ID-150

SSI-LXH9ID-150

Lumex, Inc.

LED PANEL INDICATOR RED 2V

0

SSI-LXH312GD-250

SSI-LXH312GD-250

Lumex, Inc.

LED PANEL INDICATOR GREEN 2.2V

0

SSI-LXR5010SYD-150

SSI-LXR5010SYD-150

Lumex, Inc.

LED PANEL INDICATOR YELLOW 2.1V

0

SSI-LXH387YD-4

SSI-LXH387YD-4

Lumex, Inc.

LED T-5MM 585NM YLW DIFF FLAT

0

SSI-LXH600GD-813TW

SSI-LXH600GD-813TW

Lumex, Inc.

LED 5MM GRN DIFF 32"LDS PNLMNT

0

SSI-LXR3612SID

SSI-LXR3612SID

Lumex, Inc.

LED 5MM RED DIFF REFL PANEL MNT

0

SSI-LXH387GD-4

SSI-LXH387GD-4

Lumex, Inc.

LED T-5MM 565NM GREEN DIFF FLAT

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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