Panel Indicators, Pilot Lights

Image Part Number Description / PDF Quantity Rfq
Q8F1CXXG24E

Q8F1CXXG24E

APEM Inc.

INDICATOR 24V 8MM FLUSH GREEN

27

Q8R7CXXG02E

Q8R7CXXG02E

APEM Inc.

LED PM IND RECESSED GREEN

265

QS81XXHO220

QS81XXHO220

APEM Inc.

INDICATOR 8MM FIXED HI ORA 220V

0

Q16F1BXXR24E

Q16F1BXXR24E

APEM Inc.

INDICATOR 24V 16MM FLUSH RED

0

Q14F1BXXHW02E

Q14F1BXXHW02E

APEM Inc.

14MM FLSH BLK CHRM HYPR WHT 2VDC

0

Q14P5CXXHG24E

Q14P5CXXHG24E

APEM Inc.

LED INDICATOR 14MM PROMINENT CHR

0

QS103XXHO110

QS103XXHO110

APEM Inc.

INDICATOR 10MM FIXED HI ORA 110V

0

Q8R1BXXW24E

Q8R1BXXW24E

APEM Inc.

INDICATOR 24V 8MM RECESSED WHT

0

Q14P1CXXG24E

Q14P1CXXG24E

APEM Inc.

INDICATOR 24V 14MM PROMINENT GRN

1499

Q8R1BXXG24E

Q8R1BXXG24E

APEM Inc.

INDICATOR 24V 8MM RECESSED GRN

2

Q14P6BXXR02E

Q14P6BXXR02E

APEM Inc.

LED INDICATOR 14MM PROMINENT 2VD

17

Q8F3BXXB24E

Q8F3BXXB24E

APEM Inc.

LED PM INDICATOR FLUSH BLUE

0

Q6F1CXXB12E

Q6F1CXXB12E

APEM Inc.

INDICATOR 12V 6MM FLUSH BLUE

0

Q14F1BXXB12E

Q14F1BXXB12E

APEM Inc.

INDICATOR 12V 14MM FLUSH BLUE

15

Q14F1ARXXHR12E

Q14F1ARXXHR12E

APEM Inc.

INDICATOR 12V 14MM FLUSH RED

31

Q10F5SXXSY24E

Q10F5SXXSY24E

APEM Inc.

LED PANEL IND YELLOW 24V IP67

23

Q19P1BXXB12E

Q19P1BXXB12E

APEM Inc.

INDICATOR 12V 19MM PROMINENT BLU

0

QS101XXG24

QS101XXG24

APEM Inc.

INDICATOR 10MM FIXED GR 24V SLDR

87

Q22F5ARXXSR220E

Q22F5ARXXSR220E

APEM Inc.

INDICATOR 220V 22MM FLUSH RED

5

Q14F5CZZRGB12ECA

Q14F5CZZRGB12ECA

APEM Inc.

FLUSH CHRMBEZ RGB 12VDC IP67

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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