Did you know?

A printed ESD symbol says nothing about resistance. Only measurement to IEC 61340-2-3 shows whether a surface really sits in the dissipative range.

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Warning labels

Marking and labels

ESD warning signs and labels mark EPA zones, bonding points, and ESD-sensitive components as required by IEC 61340-5-1, providing the visual infrastructure of any functional electrostatic protection area. The range covers rigid plastic signs (yellow) for EPA entries and exits in formats 300x150 mm and 500x300 mm in German, English, and bilingual DE/EN versions, self-adhesive PVC film for temporary or flexible mounting, and roll labels (Warmbier 2850.3675 and 2850.26105) for serial applications. Grounding-point stickers (40 mm diameter, UV lacquer, abrasion-resistant) and barcode labels for the Teraohmmeter EP-RM 4000 complete the range.

✓ Rigid plastic and self-adhesive film - signs 300x150 mm to 500x300 mm, single- and double-sided print

⚙ Multilingual - DE, EN, bilingual DE/EN; EPA entry and exit signs

✦ Roll labels for serial use - warning label paper on roll (Warmbier 2850.3675.D/E), 6 mm warning symbol

■ Grounding point stickers - PVC film with UV lacquer, abrasion-resistant, 40 mm diameter

📦 Barcode labels - 50x25 mm, 100 pcs/roll for EP-RM 4000 Teraohmmeter test records

✓ Dry transfer label - yellow-transparent, 50x36 mm, 5 pcs for direct component marking

Type	Format / Size	Language / Version
EPA entry sign, rigid plastic	300x150 mm, 500x300 mm	DE, EN, DE/EN
EPA entry sign, film	300x150 mm, 500x300 mm	DE, EN, DE/EN
EPA exit sign	300x150 mm, 500x300 mm	DE/EN, film and rigid plastic
Warmbier 2850.3675.D/E	Roll	Warning label paper DE / EN
Warmbier 2850.6	6 mm round	Warning label paper
Grounding point sticker	40 mm diameter	PVC, UV lacquer, abrasion-resistant
Barcode labels EP-RM 4000	50x25 mm, 100 pcs/roll	For teraohmmeter test records

Typical applications: Marking EPA entries and exits in electronics manufacturing, identifying bonding points on workbenches and floor coverings, labelling ESD-sensitive components and assemblies in goods-in, and test-record identification for resistance meters during regular EPA audits.

What are ESD warning signs and labels used for in industrial environments?

ESD warning signs and labels are critical identification markers used to designate electrostatic protected areas (EPA) in manufacturing facilities handling electronic components, semiconductors, and sensitive equipment. These signs clearly communicate ESD safety protocols to personnel entering controlled areas where static discharge could damage components worth thousands of euros. Industries including electronics manufacturing, automotive electronics, aerospace, and medical device production rely on standardized ESD signage to maintain quality control and prevent costly component failures. The signs serve both as visual warnings and compliance documentation for ISO 61340 ESD control programs.

What technical specifications should I consider when selecting ESD warning signs?

Key selection criteria for ESD warning signs include material construction with options ranging from paper labels on rolls to rigid 300x500mm Hartplastik signs for permanent installation. Sign dimensions vary from compact 12.5mm triangle warning labels like the Warmbier 2850.12.5 PVC variant to large 500x300mm facility entrance signs for maximum visibility. Language requirements must match facility needs with German, English, or multilingual options available, while mounting type determines whether single-sided or double-sided printing is necessary. Material durability directly impacts service life, with PVC and Hartplastik offering superior resistance to cleaning chemicals and environmental conditions compared to paper variants.

Which standards govern ESD warning sign requirements and compliance?

ESD warning signs must comply with IEC 61340-5-1 standards for electrostatic discharge control in electronics manufacturing environments, which specify visual identification requirements for EPA boundaries and equipment. The international standard ISO 61340 series provides comprehensive guidelines for ESD signage placement, design elements, and symbolic representations used across global supply chains. European facilities additionally reference EN 61340 harmonized standards that align with CE marking requirements for electronic manufacturing equipment. These standards mandate specific triangle warning symbols, color coding, and text clarity to ensure consistent ESD awareness regardless of facility location or operator language preferences.

What are the differences between paper roll labels and rigid plastic ESD signs?

Paper roll ESD labels like the Warmbier 2850.3675 series offer cost-effective temporary marking solutions ideal for work-in-process identification and equipment tagging with easy application and replacement capabilities. Rigid Hartplastik signs measuring 300x500mm provide permanent facility identification with superior durability against industrial cleaning procedures and mechanical impact resistance. Roll labels accommodate high-volume applications where frequent label changes occur, while plastic signs serve as long-term EPA entrance markers and equipment identification that withstand years of use. Double-sided printing options on rigid signs enable visibility from multiple approach angles, whereas paper labels typically feature single-sided printing for direct surface application.

How should ESD warning signs be installed and positioned in manufacturing facilities?

ESD warning signs require strategic placement at all EPA entry points, workstation boundaries, and equipment interfaces where electrostatic sensitive devices are handled or processed. Large 500x300mm entrance signs should be mounted at eye level approximately 1.5-1.8 meters height for maximum visibility, while smaller equipment labels attach directly to ESD workbenches, carts, and storage systems. Installation surfaces must be clean and dry to ensure proper adhesion of paper labels, while rigid Hartplastik signs typically mount using mechanical fasteners or adhesive backing systems. Sign positioning should provide clear sight lines from all approach directions without obstruction by equipment, lighting fixtures, or facility infrastructure components.

What environmental ratings and operating conditions do ESD signs withstand?

Industrial ESD warning signs constructed from Hartplastik materials typically withstand operating temperatures from -20°C to +70°C while maintaining color stability and text legibility throughout their service life. PVC labels like the Warmbier 2850.12.5 triangle variants resist common industrial solvents, cleaning agents, and humidity levels up to 85% relative humidity without delamination or fading. Paper-based roll labels offer more limited environmental resistance, suitable for controlled indoor environments with stable temperature and humidity conditions. The robust construction of plastic signs ensures readability under standard industrial lighting conditions while resisting UV degradation that could compromise warning visibility over extended installation periods.

What maintenance and inspection requirements apply to ESD warning signage systems?

ESD warning signs require monthly visual inspection to verify text legibility, color integrity, and secure mounting as part of comprehensive ESD control program audits mandated by IEC 61340-5-1 standards. Paper roll labels typically require replacement every 6-12 months depending on environmental exposure and handling frequency, while rigid Hartplastik signs can maintain effectiveness for 3-5 years under normal industrial conditions. Inspection procedures should document any fading, damage, or obstruction that could compromise warning effectiveness, with immediate replacement required when visibility falls below acceptable standards. Annual compliance audits must verify that all EPA boundaries maintain proper signage placement and condition as part of overall electrostatic discharge control system validation.

Warning labels

Technical features

Product overview - signs and labels

Typical applications