VDE电缆标识：理解”G”、”2G”和”3G”绝缘材料代码
VDE Cable Designation: Understanding “G”, “2G”, and “3G” Insulation Material Codes
VDE电缆标识：理解”G”、”2G”和”3G”绝缘材料代码
Technical Reference by Anhui Feichun Special Cable Co., Ltd. (安徽飞纯特种电缆有限公司)
Introduction to VDE Cable Designation System
VDE电缆命名系统简介
The VDE (Verband der Elektrotechnik) designation system is widely adopted across Europe for identifying cable properties and specifications. According to the DIN VDE 0292 standard, type designation codes provide systematic identification of cable characteristics including conductor material, insulation type, and structural features. (VDE命名系统在欧洲广泛采用，用于标识电缆特性和规格。根据DIN VDE 0292标准，型号代码系统性地标识电缆特性，包括导体材料、绝缘类型和结构特征。)
Within this system, the letter codes in the “G” series specifically denote rubber-based and elastomeric insulation materials. These codes appear within cable type designations to indicate the insulation and/or sheath material composition. (在该系统中，”G”系列字母代码专门表示橡胶基和弹性体绝缘材料。这些代码出现在电缆型号中，表示绝缘和/或护套材料成分。)
VDE Insulation Material Code Definitions
VDE绝缘材料代码定义
| Code 代码 | Material (English) | 材料 (Chinese) | Chemical Designation 化学名称 |
|---|---|---|---|
| G | Elastomer (General Rubber) | 弹性体（通用橡胶） | Generic Elastomeric Compound |
| 2G | Silicone Rubber | 硅橡胶 | SIR (Silicone Rubber) / Polyorganosiloxane |
| 3G | Ethylene Propylene Rubber | 乙丙橡胶 | EPR / EPDM (Ethylene Propylene Diene Monomer) |
Extended G-Series Codes (扩展G系列代码)
| Code | Material | Abbreviation | Primary Characteristics |
|---|---|---|---|
| G | Elastomer | — | General-purpose rubber compound (通用橡胶化合物) |
| 2G | Silicone Rubber | SIR | High temperature resistance (高温耐受性) |
| 3G | Ethylene Propylene Rubber | EPR | Excellent dielectric properties (优异介电性能) |
| 4G | Ethylene Vinyl Acetate | EVA | Flexibility and UV resistance (柔韧性和抗紫外线) |
| 5G | Polychloroprene (Neoprene) | CR | Oil and flame resistance (耐油和阻燃) |
| 6G | Chlorosulfonated Polyethylene | CSM / Hypalon | Chemical resistance (耐化学性) |
Technical Specifications Comparison
技术规格对比
| Parameter 参数 | G – Elastomer 弹性体 | 2G – Silicone (SIR) 硅橡胶 | 3G – EPR 乙丙橡胶 |
|---|---|---|---|
| Operating Temperature Range 工作温度范围 | -30°C to +60°C | -60°C to +180°C (up to +200°C special grades) | -55°C to +150°C (up to +160°C with peroxide curing) |
| Continuous Conductor Temperature 导体持续温度 | 60°C to 90°C | 150°C to 180°C | 90°C (standard) 105°C (high-grade) |
| Short-Circuit Temperature 短路温度 | 200°C | 250°C | 250°C |
| Dielectric Strength 介电强度 | Standard | Excellent | High (superior to XLPE) |
| Flexibility 柔韧性 | Good | Excellent | Very Good |
| Ozone Resistance 耐臭氧性 | Moderate | Excellent | Excellent |
| Water Treeing Resistance 耐水树性 | Moderate | Good | Low sensitivity |
| Halogen Content 卤素含量 | Varies | Halogen-free (无卤) | Halogen-free (无卤) |
Material Properties Detail: 2G Silicone Rubber (2G硅橡胶材料特性详解)
Silicone rubber (polyorganosiloxane) differs fundamentally from carbon-based elastomers due to its silicon-oxygen (Si-O) molecular backbone. The Si-O bond exhibits high bond energy, providing exceptional thermal stability. Key characteristics include stable dielectric constant and loss factor at temperatures up to 250°C, excellent corona and arc resistance, and retained flexibility across extreme temperature ranges. (硅橡胶因其硅-氧分子骨架而与碳基弹性体根本不同。Si-O键具有高键能，提供卓越的热稳定性。关键特性包括：在250°C高温下稳定的介电常数和损耗因子、优异的耐电晕和电弧性能，以及在极端温度范围内保持的柔韧性。)
Material Properties Detail: 3G EPR / EPDM (3G乙丙橡胶材料特性详解)
EPR (Ethylene Propylene Rubber) represents a family of copolymers and terpolymers of ethylene and propylene. EPDM (Ethylene Propylene Diene Monomer) incorporates diene monomers for enhanced cross-linking capabilities. EPR insulation demonstrates superior dielectric properties compared to traditional materials, enabling higher voltage applications with reduced cross-sectional requirements. The saturated polymer backbone provides inherent resistance to oxidation, ozone degradation, and weathering without requiring additional stabilizers. (EPR代表乙烯和丙烯的共聚物和三元共聚物家族。EPDM引入二烯单体以增强交联能力。EPR绝缘表现出优于传统材料的介电性能，使更高电压应用能够减少截面要求。饱和聚合物骨架提供固有的抗氧化、耐臭氧降解和耐候性，无需额外稳定剂。)
Industrial Applications by Insulation Type
按绝缘类型划分的工业应用
| Code | Typical Applications | 典型应用 |
|---|---|---|
| G | General industrial equipment, appliances, portable tools, household electronics | 通用工业设备、电器、便携式工具、家用电子产品 |
| 2G (SIR) | Steel mills, smelting operations, power plants, coking facilities, metallurgical machinery, petroleum refineries, chemical processing, high-temperature lighting systems, aerospace applications, railway rolling stock, medical equipment | 钢铁厂、冶炼作业、发电厂、焦化设施、冶金机械、石油炼厂、化工处理、高温照明系统、航空航天应用、铁路机车车辆、医疗设备 |
| 3G (EPR) | High-voltage power distribution, medium-voltage cables, mining equipment, trailing cables, dredge operations, offshore installations, marine applications, mobile power supplies, cranes, hoisting equipment, renewable energy installations | 高压配电、中压电缆、采矿设备、拖曳电缆、疏浚作业、海上设施、船舶应用、移动电源、起重机、起重设备、可再生能源设施 |
Cable Type Examples (电缆型号示例)
| Designation 型号 | Insulation Code | Description / 描述 |
|---|---|---|
| NSSHÖU | G (Elastomer) | Heavy-duty rubber-sheathed flexible cable (重型橡胶护套柔性电缆) |
| SIF / SIAF | 2G (Silicone) | High-temperature silicone insulated equipment wire (高温硅胶绝缘设备线) |
| H05S-K / H05SJ-K | 2G (Silicone) | Silicone rubber insulated flexible cable per DIN VDE 0282 (符合DIN VDE 0282的硅橡胶绝缘柔性电缆) |
| N2XSY | 3G (EPR variant) | Medium voltage power cable with EPR insulation (中压EPR绝缘电力电缆) |
Applicable Standards and Regulations
适用标准和法规
| Standard 标准 | Scope / 范围 |
|---|---|
| DIN VDE 0282 | Cables of rated voltages up to 450/750 V with cross-linked insulation (额定电压至450/750 V的交联绝缘电缆) |
| DIN VDE 0292 | Type designation codes for cable identification (电缆标识型号代码) |
| DIN VDE 0293-308 | Core identification by colors (芯线颜色标识) |
| HD 22 (CENELEC) | Harmonized document for rubber-insulated cables (橡胶绝缘电缆协调文件) |
| IEC 60228 | Conductors of insulated cables (绝缘电缆导体) |
| EN 50525 | Electric cables – Low voltage energy cables (电缆 – 低压能源电缆) |
Reference Sources (参考来源)
This technical article references the following authoritative sources for accuracy verification:
- HELUKABEL – Code Designation Explanations for Cables
- Faber Kabel – Type Designation Code Technical Data
- Eland Cables – EPR Insulated Cable Benefits
- Eland Cables – Silicone Insulated Cable Benefits
- Tratos Cable Academy – EPR/EPDM Cables
- Tratos Cable Academy – Silicone Rubber Cables
- Wikipedia – Ethylene Propylene Rubber
- Bayerische Kabelwerke – Type Designation Codes
- VDE Publishing House – DIN VDE 0282-15
Contact Anhui Feichun Special Cable Co., Ltd.
联系安徽飞纯特种电缆有限公司
| Company Name 公司名称 | Anhui Feichun Special Cable Co., Ltd. 安徽飞纯特种电缆有限公司 |
| Technical Support 技术支持 | [email protected] |
| Sales Inquiry 销售咨询 |
[email protected] [email protected] |
| WhatsApp WhatsApp联系 | +86 138 5512 3218 |
For custom cable solutions utilizing G, 2G (Silicone), or 3G (EPR) insulation materials, our engineering team provides comprehensive technical consultation and product specifications tailored to your industrial requirements. (如需使用G、2G（硅橡胶）或3G（EPR）绝缘材料的定制电缆解决方案，我们的工程团队将根据您的工业需求提供全面的技术咨询和产品规格。)
![The German DIN VDE cable designation system provides engineers and procurement specialists with a comprehensive coding methodology that communicates essential cable characteristics through standardized letter and number sequences. Within this system, the symbol Ö (pronounced "Oe" in romanized form) represents one of the most critical performance indicators for cables deployed in demanding industrial applications.[1][2] 德国DIN VDE电缆标识系统为工程师和采购专家提供了一套全面的编码方法，通过标准化的字母和数字序列传达电缆的基本特性。在该系统中，符号"Ö"（罗马化读作"Oe"）代表在苛刻工业应用中部署的电缆最关键的性能指标之一。](https://feichuncables.com/blog/wp-content/uploads/image-553-400x225.avif "What is the Meaning of the Symbol \"Ö\" (or \"Oe\") in VDE Cable Codes, and Why is it Critical for Industrial Environments? 2")
![Medium voltage reeling cables conforming to DIN VDE 0250-813 employ a systematic letter coding system that communicates precise information about cable construction, materials, and performance characteristics. Within this nomenclature, each letter position corresponds to a specific structural element or material property, enabling engineers to identify critical design features at a glance.[1][2] 符合DIN VDE 0250-813标准的中压卷筒电缆采用系统性的字母编码系统，传达电缆结构、材料和性能特性的精确信息。在该命名法中，每个字母位置对应特定的结构元素或材料属性，使工程师能够一目了然地识别关键设计特征。](https://feichuncables.com/blog/wp-content/uploads/image-555-400x225.avif "What Does the Letter \"C\" Indicate in (N)TSCGEWÖU Versus \"K\" in (N)TSKCGEWÖU? 4")