Terminal Blocks - Accessories - Marker Strips

Image Part Number Description / PDF Quantity Rfq
0380090138

0380090138

Woodhead - Molex

STRIP MARKER 5 SPCL

0

0380090604

0380090604

Woodhead - Molex

STRIP MARER 10 SPCL

0

0380090143

0380090143

Woodhead - Molex

STRIP MARKER 5 SPCL

0

0380090462

0380090462

Woodhead - Molex

STRIP MARKER 26 SPCL

0

0380090445

0380090445

Woodhead - Molex

STRIP MARKER 6 SPCL

0

0380090378

0380090378

Woodhead - Molex

STRIP MARKER 6 Y

0

0380090374

0380090374

Woodhead - Molex

STRIP UNMARK 4 STD

0

0380090242

0380090242

Woodhead - Molex

STRIP MARKER 3 STD

0

0380090609

0380090609

Woodhead - Molex

STRIP MARKER 14 SPCL

0

0380090312

0380090312

Woodhead - Molex

STRIP MARKER 5 SPCL

0

0380090592

0380090592

Woodhead - Molex

STRIP MARKER 12 Y

0

0380090400

0380090400

Woodhead - Molex

STRIP MARKER 16 STD

0

0380090607

0380090607

Woodhead - Molex

STRIP MARKER 4 SPCL

0

0380090389

0380090389

Woodhead - Molex

STRIP UNMARK 10 STD

0

0380090373

0380090373

Woodhead - Molex

STRIP MARKER 4 Y

0

0380090394

0380090394

Woodhead - Molex

STRIP MARKER 13 STD

0

0380090429

0380090429

Woodhead - Molex

STRIP MARKER 3 SPCL

0

0380090010

0380090010

Woodhead - Molex

STRIP MARKER 2 SPCL

0

0380090284

0380090284

Woodhead - Molex

STRIP MARKER 20 Y

0

0380090116

0380090116

Woodhead - Molex

STRIP MARKER 30 STD

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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