Panel Indicators, Pilot Lights

Image Part Number Description / PDF Quantity Rfq
PM5-B5B28V

PM5-B5B28V

Califia Lighting (Bivar)

PANEL MOUNT ASSEMBLY BLUE, 5MM

0

MPC3RDW12.0

MPC3RDW12.0

Califia Lighting (Bivar)

LED PANEL INDICATOR RED 2.1V

130

PMR4RD

PMR4RD

Califia Lighting (Bivar)

LED PANEL INDICATOR RED 2.1V

0

PM5-A7G110AC

PM5-A7G110AC

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 8.1MM GREEN

0

PM5-A7Y110AC

PM5-A7Y110AC

Califia Lighting (Bivar)

PANEL MOUNT ASSEM 8.1MM YELLOW

0

PM5-A17R110AC

PM5-A17R110AC

Califia Lighting (Bivar)

PANEL MOUNT ASSEMBLY RED, 12.7MM

0

MPR12-3WD12V

MPR12-3WD12V

Califia Lighting (Bivar)

PNL MNT 12V WHITE 8MM

0

MPR3YDW6.0

MPR3YDW6.0

Califia Lighting (Bivar)

LED ASSY PNL 3MM YLW DIFF 6"

0

PM5-A677Y12V

PM5-A677Y12V

Califia Lighting (Bivar)

PANEL MOUNT IND IP-67 YLW

0

MPC6-1WD24V

MPC6-1WD24V

Califia Lighting (Bivar)

PNL MNT 24V WHITE 3MM

0

MPC6-2BWD24V

MPC6-2BWD24V

Califia Lighting (Bivar)

PNL MNT 24V BLUE 3MM

0

PM5GC

PM5GC

Califia Lighting (Bivar)

PNL MNT W/ WIRE 568NM 40MCD GRN

0

MPR3SRDW6.0

MPR3SRDW6.0

Califia Lighting (Bivar)

LED ASSY PNL 3MM RED DIFF 6"

0

PM5HD

PM5HD

Califia Lighting (Bivar)

PNL MNT W/ WIRE 625NM 25MCD RED

66

MPC8-2WD110V

MPC8-2WD110V

Califia Lighting (Bivar)

PNL MNT 110V WHITE 5MM

0

PMR4GDW4.0-CC

PMR4GDW4.0-CC

Califia Lighting (Bivar)

LED RECT GRN PNL MNT W/ CONN

0

PM3AD

PM3AD

Califia Lighting (Bivar)

PNL MNT W/ WIRE 605NM 100MCD AMB

0

PM3HD

PM3HD

Califia Lighting (Bivar)

PNL MNT W/ WIRE 625NM 30MCD RED

0

PM3UOC

PM3UOC

Califia Lighting (Bivar)

IND PNL MT 3MM ULT ORN WATER CLR

0

MPC8-1RD220V

MPC8-1RD220V

Califia Lighting (Bivar)

PNL MNT 220V RED 5MM

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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