Terminal Blocks - Accessories - Marker Strips

Image Part Number Description / PDF Quantity Rfq
TM28CB-EV01

TM28CB-EV01

Eaton

MARKING LABEL VERTICAL 1 TO 50 R

0

TM21CB-DV02

TM21CB-DV02

Eaton

MARKING LABEL VERTICAL (L1 L2 L3

0

TM28CB-FH01

TM28CB-FH01

Eaton

MARKING LABEL HORIZONTAL 1 TO 10

0

TM21CB-EH01

TM21CB-EH01

Eaton

MARKING LABEL HORIZONTAL 1 TO 50

0

TM27CB-FH05

TM27CB-FH05

Eaton

MARKING LABEL HORIZONTAL 41 TO 5

0

TM28CB-DV02

TM28CB-DV02

Eaton

MARKING LABEL VERTICAL (L1 L2 L3

0

TM20CB-DH01

TM20CB-DH01

Eaton

MARKING LABEL HORIZONTAL (L1 L2

0

TM21CB-FH05

TM21CB-FH05

Eaton

MARKING LABEL HORIZONTAL 41 TO 5

0

TM27CB-FV02

TM27CB-FV02

Eaton

MARKING LABEL VERTICAL 11 TO 20

0

TM27CB-FH02

TM27CB-FH02

Eaton

MARKING LABEL HORIZONTAL 11 TO 2

0

TM28CB-DV01

TM28CB-DV01

Eaton

MARKING LABEL VERTICAL (L1 L2 L3

0

TM22CB-FH05

TM22CB-FH05

Eaton

MARKING LABEL HORIZONTAL 41 TO 5

0

TM20CB-FH04

TM20CB-FH04

Eaton

MARKING LABEL HORIZONTAL 31 TO 4

0

TM27CB-DH01

TM27CB-DH01

Eaton

MARKING LABEL HORIZONTAL (L1 L2

0

TM26CB-EH02

TM26CB-EH02

Eaton

MARKING LABEL HORIZONTAL 51 TO 1

0

TM26CB-FH04

TM26CB-FH04

Eaton

MARKING LABEL HORIZONTAL 31 TO 4

0

AT512

AT512

Eaton

MARKING STRIP SHEET

0

TM26CB-FH03

TM26CB-FH03

Eaton

MARKING LABEL HORIZONTAL 21 TO 3

0

TM26CB

TM26CB

Eaton

MARKING LABEL BLANK

0

TM20CB-FH01

TM20CB-FH01

Eaton

MARKING LABEL HORIZONTAL 1 TO 10

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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