Panel Indicators, Pilot Lights

Image Part Number Description / PDF Quantity Rfq
PM3-PYDW12.0

PM3-PYDW12.0

Califia Lighting (Bivar)

PNL MNT YLW 20MA W/WIRE: 12"

0

PM5YT

PM5YT

Califia Lighting (Bivar)

PNL MNT W/ WIRE 590NM 40MCD YLW

0

PM5-KHD

PM5-KHD

Califia Lighting (Bivar)

PNL MNT 625NM 25MCD 2V RED

0

PM5YTW12.0

PM5YTW12.0

Califia Lighting (Bivar)

PNL MNT YLW 20MA W/WIRE 12"

0

PMR4PGD

PMR4PGD

Califia Lighting (Bivar)

LED PANEL INDICATOR GREEN 2.2V

0

PM3-KAD

PM3-KAD

Califia Lighting (Bivar)

PNL MNT 610NM 100MCD 2V AMBER

0

PM3-KRDW12.0

PM3-KRDW12.0

Califia Lighting (Bivar)

PNL MNT RED 20MA W/WIRE: 12"

0

PM5-PPGD

PM5-PPGD

Califia Lighting (Bivar)

PNL MNT W/ WIRE 555NM 10MCD GRN

0

PM5-PPGDW12.0

PM5-PPGDW12.0

Califia Lighting (Bivar)

PNL MNT W/ WIRE 555NM 10MCD GRN

0

PM3-KBWDW12.0

PM3-KBWDW12.0

Califia Lighting (Bivar)

PNL MNT BLUE 20MA W/WIRE: 12"

0

PM5-PGDW12.0

PM5-PGDW12.0

Califia Lighting (Bivar)

PNL MNT W/ WIRE 568NM 25MCD GRN

0

PM3-KWD

PM3-KWD

Califia Lighting (Bivar)

PNL MNT 5000K 2500MCD 3.2V WHITE

0

PM5R3-RY

PM5R3-RY

Califia Lighting (Bivar)

INDICATOR LED RED/YELLOW PNL MNT

0

PM5-KPGDW12.0

PM5-KPGDW12.0

Califia Lighting (Bivar)

LED PANEL INDICATOR GRN 2.2V

0

PMR4HD

PMR4HD

Califia Lighting (Bivar)

LED PANEL INDICATOR RED 2V

0

PM5GTW12.0

PM5GTW12.0

Califia Lighting (Bivar)

PNL MNT GREEN 20MA W/WIRE 12"

0

PM5-KPGD

PM5-KPGD

Califia Lighting (Bivar)

PNL MNT 555NM 10MCD 2.2V GREEN

0

PM5-KWDW12.0

PM5-KWDW12.0

Califia Lighting (Bivar)

PNL MNT WHITE W/ WIRE 12"

0

PM3-KRD

PM3-KRD

Califia Lighting (Bivar)

PNL MNT 645NM 40MCD 1.7V RED

0

PM5-KBWDW12.0

PM5-KBWDW12.0

Califia Lighting (Bivar)

PNL MNT BLUE QUICK MOUNT: 12"

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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