Panel Indicators, Pilot Lights

Image Part Number Description / PDF Quantity Rfq
6803332233F

6803332233F

Dialight

10MM HO/O PMI-12VDC

3

45-1T00.10J6.000.100

45-1T00.10J6.000.100

EAO

(45-1T00.10J6.000.100) INDICATOR

12

44W-NKG28H-CGO

44W-NKG28H-CGO

Visual Communications Company, LLC

PMI .250" LED 28V WIRE CLEAR GRE

9

Q8R7BXXY02E

Q8R7BXXY02E

APEM Inc.

LED PM INDICATOR RECESSED YLW

2

M22N-BP-TAA-AC

M22N-BP-TAA-AC

Omron Automation & Safety Services

LED PANEL IND BLUE 24VAC/DC

34

Q6F7CXXG02E

Q6F7CXXG02E

APEM Inc.

LED PM INDICATOR FLUSH GREEN

677

H16F-24W

H16F-24W

IndustrialeMart

HIGH LED 16MM FLAT 24VDC WHITE

62

Q19P1BXXR12E

Q19P1BXXR12E

APEM Inc.

INDICATOR 12V 19MM PROMINENT RED

0

FL1P-8QJ-2-Y24V

FL1P-8QJ-2-Y24V

Mallory Sonalert Products

LED YEL 8MM SNAP 24VAC/DC STK

18

Q16P1BZZRYG12E

Q16P1BZZRYG12E

APEM Inc.

INDICATOR 12V 16MM PROM R/Y/G

0

Q8F1BXXHB02E

Q8F1BXXHB02E

APEM Inc.

8MM FLSH BLK CHRM HYPR BLU 2VDC

9

Q14F1CXXW12E

Q14F1CXXW12E

APEM Inc.

INDICATOR 12V 14MM FLUSH WHITE

0

556150A214F

556150A214F

Dialight

1"FLAT RED LED PMI CONST INT

24

Q14P1CXXHR24E

Q14P1CXXHR24E

APEM Inc.

14MM PRMNT CHRM HYPR RED 24VDC

150

FL1P-6QW-2-R12V

FL1P-6QW-2-R12V

Mallory Sonalert Products

LED RED 6MM SNAP 12VAC/DC STK

0

FL1M-12SW-1-Y2V

FL1M-12SW-1-Y2V

Mallory Sonalert Products

LED YEL 12MM NUT 2VAC/DC STK

8

Q14F5ARXXHR12E

Q14F5ARXXHR12E

APEM Inc.

INDICATOR 12V 14MM FLUSH RED

46

Q6P3CXXB12E

Q6P3CXXB12E

APEM Inc.

LED PANEL MOUNT INDICATOR BLUE

62

6563353303F

6563353303F

Dialight

LED PNL IND ORG 12V IP67/NEMA 4X

57

Q6P1BXXB24E

Q6P1BXXB24E

APEM Inc.

INDICATOR 24V 6MM PROMINENT BLU

245

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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