Terminal Blocks - Accessories - Marker Strips

Image Part Number Description / PDF Quantity Rfq
0380090368

0380090368

Woodhead - Molex

STRIP UNMARK 2 STD

0

0380090095

0380090095

Woodhead - Molex

STRIP UNMARK 20 STD

0

0380090096

0380090096

Woodhead - Molex

STRIP MARKER 21 STD

0

0380090214

0380090214

Woodhead - Molex

STRIP MARKER 20 SPCL

0

0380090189

0380090189

Woodhead - Molex

STRIP MARKER 12 SPCL

0

0380090343

0380090343

Woodhead - Molex

STRIP MARKER 12 SPCL

0

0380090608

0380090608

Woodhead - Molex

STRIP MARKER 4 SPCL

0

0380090190

0380090190

Woodhead - Molex

STRIP MARKER 12 SPCL

0

0380090449

0380090449

Woodhead - Molex

STRIP MARKER 8 SPCL

0

0380090296

0380090296

Woodhead - Molex

STRIP MARKER 26 STD

0

0380090396

0380090396

Woodhead - Molex

STRIP MARKER 14 STD

0

0380090388

0380090388

Woodhead - Molex

STRIP MARKER 10 Y

0

0380090109

0380090109

Woodhead - Molex

STRIP MARKER 26 STD

0

0380090371

0380090371

Woodhead - Molex

STRIP UNMARK 3 STD

0

0380090616

0380090616

Woodhead - Molex

STRIP UNMARK 2 STD

0

0380090210

0380090210

Woodhead - Molex

STRIP MARKER 20 SPCL

0

0380090380

0380090380

Woodhead - Molex

STRIP MARKER 7 STD

0

0380090372

0380090372

Woodhead - Molex

STRIP MARKER 4 STD

0

0380090100

0380090100

Woodhead - Molex

STRIP MARKER 22 Y

0

0380090597

0380090597

Woodhead - Molex

STRIP MARKER 4 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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