Panel Indicators, Pilot Lights

Image Part Number Description / PDF Quantity Rfq
SSI-LXH9SID-150

SSI-LXH9SID-150

Lumex, Inc.

INDICATOR 5MM PANEL W/LEADS RED

0

SSI-LXH387USBD

SSI-LXH387USBD

Lumex, Inc.

LED PANEL INDICATOR BLUE 3.5V

0

SSI-LXR3612USBD150

SSI-LXR3612USBD150

Lumex, Inc.

LED PANEL INDICATOR BLUE 3.5V

0

SSI-LXR5010UW41249

SSI-LXR5010UW41249

Lumex, Inc.

LED PANEL INDICATOR WHITE 28V

0

SSI-LXR3612ID-150

SSI-LXR3612ID-150

Lumex, Inc.

LED 3MM PANEL MNT W/24AWG LEADS

0

SSI-LXH387ID-4

SSI-LXH387ID-4

Lumex, Inc.

LED T-5MM 635NM RED DIFF FLAT

0

SSI-LXR3816HGW3150

SSI-LXR3816HGW3150

Lumex, Inc.

LED T-5MM 700/565 CHRM PNL 6"LD

0

SSI-LXH600GD-22648

SSI-LXH600GD-22648

Lumex, Inc.

LED T-5MM PNL GREEN DIFF 18"LD

0

SSI-LXH600YD-300

SSI-LXH600YD-300

Lumex, Inc.

LED T-5MM 300MM SS RND YLW DIFF

0

SSI-LXH600YD-150

SSI-LXH600YD-150

Lumex, Inc.

LED T-5MM 150MM SS RND YLW DIFF

0

SSI-LXR4815YD-150

SSI-LXR4815YD-150

Lumex, Inc.

LED 5MM YEL DIFF REFL6"LDS PNLMT

0

SSI-LXR3816SRD-150

SSI-LXR3816SRD-150

Lumex, Inc.

LED T-5MM W/LD 660NM SRED DIFF

0

SSI-LXR4915SYD-150

SSI-LXR4915SYD-150

Lumex, Inc.

LED PANEL INDICATOR YELLOW 2.1V

0

SSI-LXH312YD-150

SSI-LXH312YD-150

Lumex, Inc.

LED T-3MM 585NM YELLOW DIFF

0

SSI-LXR3816BID-150

SSI-LXR3816BID-150

Lumex, Inc.

LED T-5MM W/LD 635NM BLNK RD BEZ

94

SSI-LX5093ID-150

SSI-LX5093ID-150

Lumex, Inc.

LED T-5MM 635NM RED DIFF W/6"LD

0

SSI-LXH600GD-250

SSI-LXH600GD-250

Lumex, Inc.

LED T-5MM PNL 250MM RND GRN DIFF

0

SSI-LXH072HGW

SSI-LXH072HGW

Lumex, Inc.

LED IND PNL 2.3X7MM RD/GN WHITE

0

SSI-LXR3816-B27841

SSI-LXR3816-B27841

Lumex, Inc.

LED T-5MM PNL BICLR CA WR 3LD

0

SSI-LXH600YD-813TW

SSI-LXH600YD-813TW

Lumex, Inc.

LED 5MM YLW DIFF 32" LDS PNLMNT

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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