Panel Indicators, Pilot Lights

Image Part Number Description / PDF Quantity Rfq
MPR3RD

MPR3RD

Califia Lighting (Bivar)

PNL MNT W/ WIRE 700NM 2MCD RED

58

PM5-A7R28V

PM5-A7R28V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 8.1MM RED

37

PM5-B5G28V

PM5-B5G28V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 5MM GREEN

70

MPR3BWDW12.0

MPR3BWDW12.0

Califia Lighting (Bivar)

PNL MNT BLUE W/WIRE 12"

0

MPR3BWD

MPR3BWD

Califia Lighting (Bivar)

PNL MNT W/ WIRE 430NM 10MCD BLUE

88

PM5-A12G12V

PM5-A12G12V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM GREEN, 6.1MM

0

PM5-A7W110AC

PM5-A7W110AC

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 8.1MM WHITE

0

PM53-YGW20.0

PM53-YGW20.0

Califia Lighting (Bivar)

PNL MNT GREEN, YLW W/WIRE 20"

0

PM3-PHDW12.0

PM3-PHDW12.0

Califia Lighting (Bivar)

PNL MNT RED 20MA W/WIRE: 12"

30

PM5R3-YGW12.0

PM5R3-YGW12.0

Califia Lighting (Bivar)

INDICATOR LED GREEN/YLW PNL MNT

0

PM3GD

PM3GD

Califia Lighting (Bivar)

LED ASSY PNL 3MM GRN DIFF 568NM

0

PM3-PRD

PM3-PRD

Califia Lighting (Bivar)

PNL MNT 645NM 40MCD RED

67

MPC5YDW12.0

MPC5YDW12.0

Califia Lighting (Bivar)

LED PANEL INDICATOR YLW 2V

417

MPR5RDW12.0

MPR5RDW12.0

Califia Lighting (Bivar)

LED PANEL INDICATOR RED 2.1V

255

PM5-A12G28V

PM5-A12G28V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM GREEN, 6.1MM

0

MPR3YDW12.0

MPR3YDW12.0

Califia Lighting (Bivar)

LED PANEL INDICATOR YLW 2V

15

PM53-BCW6.0CC

PM53-BCW6.0CC

Califia Lighting (Bivar)

PNL MNT GREEN, RED W/WIRE 6"

0

PM5-A20B24V

PM5-A20B24V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 25.4MM BLUE

0

PM3BWDW12.0

PM3BWDW12.0

Califia Lighting (Bivar)

PNL MNT BLUE 20MA W/WIRE 12"

0

MPC3YD

MPC3YD

Califia Lighting (Bivar)

PNL MNT W/ WIRE 590NM 20MCD YLW

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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