Terminal Blocks - Accessories - Marker Strips

Image Part Number Description / PDF Quantity Rfq
0380090249

0380090249

Woodhead - Molex

STRIP MARKER 6 STD

0

0380090418

0380090418

Woodhead - Molex

STRIP MARKER 24 STD

0

0380090277

0380090277

Woodhead - Molex

STRIP MARKER 17 STD

0

0380090256

0380090256

Woodhead - Molex

STRIP UNMARK 8 STD

0

0380090283

0380090283

Woodhead - Molex

STRIP MARKER 20 STD

0

0380090132

0380090132

Woodhead - Molex

STRIP MARKER 4 SPCL

0

0380090155

0380090155

Woodhead - Molex

STRIP MARKER 6 SPCL

0

0380090123

0380090123

Woodhead - Molex

STRIP MARKER 3 SPCL

0

0380090252

0380090252

Woodhead - Molex

STRIP MARKER 7 STD

0

0380090202

0380090202

Woodhead - Molex

STRIP MARKER 16 SPCL

0

0380090611

0380090611

Woodhead - Molex

STRIP MARKER 20 SPCL

0

0380090097

0380090097

Woodhead - Molex

STRIP MARKER 21 Y

0

0380090426

0380090426

Woodhead - Molex

STRIP MARKER 2 SPCL

0

0380090248

0380090248

Woodhead - Molex

STRIP UNMARK 5 STD

0

0380090055

0380090055

Woodhead - Molex

STRIP MARKER 7 STD

0

0380090420

0380090420

Woodhead - Molex

STRIP MARKER 25 STD

0

0380090328

0380090328

Woodhead - Molex

STRIP MARKER 8 SPCL

0

0380090276

0380090276

Woodhead - Molex

STRIP UNMARK 16 STD

0

0380090194

0380090194

Woodhead - Molex

STRIP MARKER 14 SPCL

0

0380090575

0380090575

Woodhead - Molex

STRIP MARKER 2 Y

0

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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