适用范围Application | 
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- 20区、21区、22区危场所。
- 适用于可燃性粉尘环境。
- Can be used in Zone 20 zone 21 and Zone 22 dangerous places.
- Can be used in flammable dust atmosphere.
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| 产品特点Features |
- 铸铝合金外壳,压铸成型,表面喷塑。
- 进出线口有多种方式及规格. 进出线口螺纹可特制.
- 符合GB12476,IEC61241标准要求.
- The shell is of diecasted AI-alloy with plastic sprayed surface.
- Inlet or outlet has many kinds of modes and secifications
- Thread specification can be specailly designed.
- Sitable for GB12476,IEC1241 standard request.
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| 型号含义Model implication |
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主要技术参数Main technical parameters |
CBJH51 系列隔爆型接线盒代号,外表及名称一览表达式 CBJH51 Series flame-proof jjunction box code,outline and descriptions as the follewing table. | 代号 Code | 外形 Outline | 名称 Description | 代号 Code | 外形 Outline | 名称 Description | A | | 一通平 1 entry in borizon | F | | 一通吊 1 entry hung type | B | | 直通平 2 direct entries in horizon | G | | 直二通吊 2 direct entries hung type | C | | 三通平 3 entries in horizon | H | | 三通吊 3 entries hung type | D | | 四通平 4 entries in horizon | I | | 四通吊 4 entries hung type | E | | 直角二通平 2 perpendicular entries,in horizon | J | | 直角二通吊 2 perpendicular entries hung type |
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注:1、"O"表示平盖,"◎"表示吊盖。 Note:1、"O"horzontal cover,"◎"hung cover. 2、在正常情况下,吊盖与通头同口径,如特 2、 Generally the diameter of entry is equal to that of 殊要求可特制。 hung cover hole.special requirement can be available. 3、通头一般为圆柱管螺纹G1/2"、G3/4"、G1" 3、The entry is often made as pipe thread G1/2"、G3/4"、 如特殊要求可特制。 G1"、also special requirement can be made.
标注举例: For Example: 1、CBJH-DIP3/4B含义:CBJH-DIP隔爆型接线盒, 1、CBJH-DIP3/4B:CBJH-DIP means explosion-proof junction box 管螺纹为G3/4"直二通平盖。 pipe thread G3/4",2direct entries with horizontal cover 2、CBJH-DIP1/2J含义:CBJH-DIP隔爆型接线盒, 2、CBJG-DIP1/2J:CBJH-DIP means explosion-proof junction box 管螺纹为G1/2"直通二通吊盖. G1/2"2perpendicular entries with hung cover. |
额定电压(V) Rated voltage | 额定电流(A) Rated current | 防爆标志 Ex-mark | 管螺纹规格(G") Pipe thread specification | 防护等级 Protection grade | 380 | 20 | DIPA20 TA,T6 | 1/2 3/4 1 | IP65 |
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外形及安装举例Outline and example |

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电缆外径(Φ,mm) Cable’s outer diameter | 管螺纹(G1") Pipe thread | A | B | C | D | 6-10 | 1/2 | 166 | 108 | 104 | 68 | 8-14 | 3/4 | 168 | 108 | 105 | 68 | 12-17 | 1 | 170 | 108 | 105 | 68 |
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