Terminal Blocks - Accessories - Marker Strips

Image Part Number Description / PDF Quantity Rfq
TM28CB-EH02

TM28CB-EH02

Eaton

MARKING LABEL HORIZONTAL 51 TO 1

0

TM20CB-DH02

TM20CB-DH02

Eaton

MARKING LABEL HORIZONTAL (L1 L2

0

TM21CB

TM21CB

Eaton

MARKING LABEL BLANK

0

TM27CB-EV01

TM27CB-EV01

Eaton

MARKING LABEL VERTICAL 1 TO 50 R

0

TM27CB-DH02

TM27CB-DH02

Eaton

MARKING LABEL HORIZONTAL (L1 L2

0

TM26CB-DH01

TM26CB-DH01

Eaton

MARKING LABEL HORIZONTAL (L1 L2

0

TM26CB-FH02

TM26CB-FH02

Eaton

MARKING LABEL HORIZONTAL 11 TO 2

0

TM22CB

TM22CB

Eaton

MARKING LABEL BLANK

0

TM22CB-DV01

TM22CB-DV01

Eaton

MARKING LABEL VERTICAL (L1 L2 L3

0

TM22CB-FV01

TM22CB-FV01

Eaton

MARKING LABEL VERTICAL 1 TO 10 R

0

TM28CB-FH03

TM28CB-FH03

Eaton

MARKING LABEL HORIZONTAL 21 TO 3

0

TM21CB-FV01

TM21CB-FV01

Eaton

MARKING LABEL VERTICAL 1 TO 10 R

0

TM22CB-EH02

TM22CB-EH02

Eaton

MARKING LABEL HORIZONTAL 51 TO 1

0

X10506BF

X10506BF

Eaton

MARKER STRIP

0

TM22CB-DH02

TM22CB-DH02

Eaton

MARKING LABEL HORIZONTAL (L1 L2

0

TM20CB-DV02

TM20CB-DV02

Eaton

MARKING LABEL VERTICAL (L1 L2 L3

0

TM21CB-EH02

TM21CB-EH02

Eaton

MARKING LABEL HORIZONTAL 51 TO 1

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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