Terminal Blocks - Accessories - Marker Strips

Image Part Number Description / PDF Quantity Rfq
0380090603

0380090603

Woodhead - Molex

STRIP MARKER 4 SPCL

0

0380090377

0380090377

Woodhead - Molex

STRIP MARKER 6 STD

0

0380090188

0380090188

Woodhead - Molex

STRIP MARKER 12 SPCL

0

0380090279

0380090279

Woodhead - Molex

STRIP MARKER 18 STD

0

0380090103

0380090103

Woodhead - Molex

STRIP MARKER 24 STD

0

0380090386

0380090386

Woodhead - Molex

STRIP UNMARK 9 STD

0

0380090310

0380090310

Woodhead - Molex

STRIP MARKER 4 SPCL

0

0380090302

0380090302

Woodhead - Molex

STRIP MARKER 30 STD

0

0380090370

0380090370

Woodhead - Molex

STRIP MARKER 3 Y

0

0380090107

0380090107

Woodhead - Molex

STRIP MARKER 25 Y

0

0380090091

0380090091

Woodhead - Molex

STRIP MARKER 19 STD

0

0380090287

0380090287

Woodhead - Molex

STRIP UNMARK 21 STD

0

0380090398

0380090398

Woodhead - Molex

STRIP MARKER 15 STD

0

0380090206

0380090206

Woodhead - Molex

STRIP MARKER 17 SPCL

0

0380090385

0380090385

Woodhead - Molex

STRIP MARKER 9 STD

0

0380090258

0380090258

Woodhead - Molex

STRIP MARKER 4 Y

0

0380090151

0380090151

Woodhead - Molex

STRIP MARKER 6 SPCL

0

0380090245

0380090245

Woodhead - Molex

STRIP MARKER 4 STD

0

0380090617

0380090617

Woodhead - Molex

STRIP MARKER 4 SPCL

0

0380090052

0380090052

Woodhead - Molex

STRIP MARKER 6 STD

500

Terminal Blocks - Accessories - Marker Strips

1. Overview

Marker strips (also known as terminal markers or identification strips) are essential components in electrical systems for labeling and organizing terminal blocks. These accessories provide visual identification of connections through alphanumeric codes, color codes, or graphic symbols. Their importance in modern technology lies in enhancing system maintainability, reducing wiring errors, and improving safety in complex electrical installations.

2. Main Types and Functional Classification

TypeFunctional FeaturesApplication Examples
Printed Marker StripsLaser-printable materials with high-resolution textCustom labeling in PLC control cabinets
Pre-printed Number StripsSequential numbering (01-99) with UV resistanceStandardized industrial control panels
Color-coded StripsMulti-color bands for circuit group identificationPower distribution systems
Rotary Marker DiscsAdjustable 360 rotating labeling systemHigh-density terminal blocks in automation
Thermal Transfer StripsHeat-resistant marking for harsh environmentsAutomotive manufacturing lines

3. Structure and Composition

Typical marker strips consist of three primary components: 1. Base material (usually flame-retardant polypropylene or polycarbonate) 2. Marking layer (ink-receptive coating for printing) 3. Fixing mechanism (snap-on clips or adhesive backing) Standard dimensions range from 4.8mm to 15mm width with thickness of 0.8-1.2mm. The surface features anti-glare texture for improved readability.

4. Key Technical Specifications

ParameterTypical ValueImportance
Operating Temperature-40 C to +120 CDetermines environmental suitability
Voltage Resistance500V AC/DCSafety insulation level
Material Flame ClassUL94 V-0Fire safety compliance
Marking Durability10+ years legibilitySystem maintenance reliability
Mechanical Lifespan5000+ insertion cyclesCost-effectiveness in dynamic systems

5. Application Fields

Major application areas include: - Industrial automation systems - Power distribution equipment - Telecommunication infrastructure - Transportation control systems - Building management installations

Typical equipment examples: PLC control cabinets, switchgear panels, railway signaling systems, HVAC controllers, and renewable energy inverters.

6. Leading Manufacturers and Products

ManufacturerKey Product SeriesTechnical Highlights
Phoenix ContactMKDS seriesModular design with tool-less marking
Weidm llerID-SL seriesColor-coded strips with tactile feedback
TE ConnectivityAMPTRAC seriesHigh-temperature resistant (150 C)
WAGO234 seriesVibration-proof locking mechanism
OMRONV6-TB seriesAnti-reflective surface coating

7. Selection Guidelines

Key selection factors: 1. Environmental conditions (temperature, humidity, UV exposure) 2. Terminal block pitch compatibility (5.08mm, 7.62mm, etc.) 3. Marking method requirements (pre-printed vs. on-site printing) 4. Flame retardancy level (UL, IEC standards) 5. Color coding system (standardized industry schemes) 6. Mechanical durability requirements

8. Industry Trends Analysis

Current development trends include: - Miniaturization for compact electronics packaging - Integration of RFID chips for smart identification - Adoption of eco-friendly materials (halogen-free polymers) - Development of anti-counterfeit marking technologies - Standardization of global marking systems (IEC 60445) - Enhanced resistance to chemical corrosion in industrial environments

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