Panel Indicators, Pilot Lights

Image Part Number Description / PDF Quantity Rfq
MPC5HDW12.0

MPC5HDW12.0

Califia Lighting (Bivar)

LED PANEL INDICATOR RED 2V

534

PM5-AP7G3.4V

PM5-AP7G3.4V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM GREEN, 8.5MM

4

PM3-PPGDW12.0

PM3-PPGDW12.0

Califia Lighting (Bivar)

PNL MNT GREEN 20MA W/WIRE: 12"

0

PM3-PADW12.0

PM3-PADW12.0

Califia Lighting (Bivar)

PNL MNT AMBER 20MA W/WIRE: 12"

0

PM5-A7B110AC

PM5-A7B110AC

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 8.1MM BLUE

0

PM5-A20G110V

PM5-A20G110V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 25.4MM GREEN

0

PM5-A17G28V

PM5-A17G28V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM GREEN 12.7MM

54

PM5-B5Y28V

PM5-B5Y28V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 5MM YELLOW

0

PM5-A7W28V

PM5-A7W28V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 8.1MM WHITE

0

PM3YDW12.0

PM3YDW12.0

Califia Lighting (Bivar)

PNL MNT YLW 20MA W/WIRE 12"

836

PM5-B5B3.4V

PM5-B5B3.4V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 5MM BLUE

120

PM5-A5B28V

PM5-A5B28V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 6.35MM BLUE

0

PM5-PAD

PM5-PAD

Califia Lighting (Bivar)

PNL MNT 605NM 25MCD AMBER

5

MPC5GD

MPC5GD

Califia Lighting (Bivar)

LED ASSY PNL 5MM GRN DIFF 565NM

64

PM5RD

PM5RD

Califia Lighting (Bivar)

PNL MNT W/ WIRE 700NM 2MCD RED

0

PM5-S17R28V

PM5-S17R28V

Califia Lighting (Bivar)

PANEL MOUNT ASSEMBLY RED, 12.7MM

87

PM5R3-YGW12.0CC

PM5R3-YGW12.0CC

Califia Lighting (Bivar)

INDICATOR LED GREEN/YLW PNL MNT

37

PM5-A5W28V

PM5-A5W28V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 6.35MM WHITE

0

PM5-PADW12.0

PM5-PADW12.0

Califia Lighting (Bivar)

PNL MNT 605NM 25MCD AMBER

0

PM5-A5R28V

PM5-A5R28V

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 6.35MM RED

98

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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