Terminal Blocks - Accessories - Marker Strips

Image Part Number Description / PDF Quantity Rfq
0380090048

0380090048

Woodhead - Molex

STRIP MARKER 4 STD UNMARKED

0

0380090126

0380090126

Woodhead - Molex

STRIP MARKER 3 SPCL

0

0380090250

0380090250

Woodhead - Molex

STRIP MARKER 6 Y

0

0380090067

0380090067

Woodhead - Molex

STRIP MARKER 11 STD

0

0380090421

0380090421

Woodhead - Molex

STRIP MARKER 25 Y

0

0380090610

0380090610

Woodhead - Molex

STRIP MARKER 24 IMP 25-48

0

0380090401

0380090401

Woodhead - Molex

STRIP UNMARK 16 STD

0

0380090273

0380090273

Woodhead - Molex

STRIP MARKER 15 Y

0

0380090131

0380090131

Woodhead - Molex

STRIP MARKER 4 SPCL

0

0380090402

0380090402

Woodhead - Molex

STRIP MARKER 17 STD

0

0380090384

0380090384

Woodhead - Molex

STRIP UNMARK 8 STD

0

0380090165

0380090165

Woodhead - Molex

STRIP MARKER 8 SPCL

0

0380090344

0380090344

Woodhead - Molex

STRIP MARKER 14 SPCL

0

0380090268

0380090268

Woodhead - Molex

STRIP MARKER 13 STD

0

0380090280

0380090280

Woodhead - Molex

STRIP MARKER 18 Y

0

0380090209

0380090209

Woodhead - Molex

STRIP MARKER 20 SPCL

0

0380090347

0380090347

Woodhead - Molex

STRIP MARKER 18 SPCL

0

0380090414

0380090414

Woodhead - Molex

STRIP MARKER 22 STD

0

0380090602

0380090602

Woodhead - Molex

STRIP MARKER 29 STD

0

0380090351

0380090351

Woodhead - Molex

STRIP MARKER 20 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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