Terminal Blocks - Accessories - Marker Strips

Image Part Number Description / PDF Quantity Rfq
0380090099

0380090099

Woodhead - Molex

STRIP MARKER 22 STD

0

0380090049

0380090049

Woodhead - Molex

STRIP MARKER 5 STD

489

0380090593

0380090593

Woodhead - Molex

STRIP MARKER 7 SPCL

0

0380090241

0380090241

Woodhead - Molex

STRIP MARKER 2 STD

0

0380090193

0380090193

Woodhead - Molex

STRIP MARKER 13 SPCL

0

0380090412

0380090412

Woodhead - Molex

STRIP MARKER 21 STD

0

0380090104

0380090104

Woodhead - Molex

STRIP MARKER 24 Y

0

0380090404

0380090404

Woodhead - Molex

STRIP MARKER 18 STD

0

0380090088

0380090088

Woodhead - Molex

STRIP MARKER 18 STD

0

0380090383

0380090383

Woodhead - Molex

STRIP MARKER 8 Y

0

0380090159

0380090159

Woodhead - Molex

STRIP MARKER 7 SPCL

0

0380090460

0380090460

Woodhead - Molex

STRIP MARKER 20 SPCL

0

0380090142

0380090142

Woodhead - Molex

STRIP MARKER 5 SPCL

0

0380090393

0380090393

Woodhead - Molex

STRIP UNMARK 12 STD

0

0380090260

0380090260

Woodhead - Molex

STRIP MARKER 10 STD

0

0380090144

0380090144

Woodhead - Molex

STRIP MARKER 5 SPCL

0

0380090598

0380090598

Woodhead - Molex

STRIP MARKER 10 SPCL

0

0380090405

0380090405

Woodhead - Molex

STRIP UNMARK 18 STD

0

0380090246

0380090246

Woodhead - Molex

STRIP UNMARK 4 STD

0

0380090606

0380090606

Woodhead - Molex

STRIP MARKER 2 SPCL

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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