防爆中間接線盒是按照 GB3836.1-2000；GB3836.3-2000《爆炸性環境用防爆電氣設備  第1部分：通用要求、第3部分：增安型“e” 》的有關規定設計制造的。防爆等ExeⅡBT4，適用于工廠一區、二區爆炸性氣體混合物T1～T4的溫度組別場所。電伴熱帶與電伴熱帶的連接，采用我廠生產的防爆中間接線盒，有直型接線盒（俗稱“二通” ）和T型接線盒（俗稱“三通” ）。 Explosion-proof intermediate connection kit is manufactured as the requirement of the GB3836.1-2000 and GB3836.3-2000. ExeⅡBT4 is suitable for hazardous area(Division 1&2), T1-T4. Intermediate connection kit is used for connection between heating cables. T type and linear type are available.
 
1結構原理 Structure Principle
直型、T型接線盒由接線盒體、盒蓋、端蓋、接線塊等組成。供220V，380V電源通用，當電源為220V時，只需使用其中的兩個端子。Connection kit is composed of kit body, cover, and end cap, etc. Applicated with 220V or 380V. 220V adopts any two terminals.
 
2中間接線盒結構 Structure
        
               中間直型接線盒Splice kit     圖29
     
         
         中間T型接線盒Tee kit     圖30
 

3產品型號 Catalog Number

      
                                  圖31
4技術性能與指標 Technical Characteristics and Parameters
4.1正常工作條件Normal Working Conditions
a：環境溫度ambient temperature：－40℃～+65℃
b：相對濕度relative humidity：≤95%
 
 
4.2主要技術指標Technical Parameters（表12）

型號 Catalog number	防爆等級 Explosion-proof level	工作電壓 Working voltage	工作電流 Working current	絕緣電阻 Insulation resistance	電氣強度 Dielectric strength	防護等級 Protection level
ZH	ExeⅡT4	380V/220V	≤15A	≥60MΩ	2000V/min	IP54
TH	ExeⅡT4	380V/220V	≤15A	≥60MΩ	2000V/min	IP54