防爆接线箱|BJX防爆接线箱|防爆电缆分线箱-乐清威创防爆科技有限公司专业生产； 
壳体型号 型号 A B C D E 进线口数量及规格 出线口数量及规格 备注
Ⅰ型 BJX-20/4 200 185 100 140 100 1-G3/4" 4-G1/2" ExdⅡBT6
Ⅱ型 BJX-20/8 242 215 136 164 112 1-G1" 7-G3/4"
Ⅲ型 BJX-20/16 324 280 214 235 132 1-G1/2" 7-G3/4"
Ⅳ型 BJX-20/24 422 286 316 235 132 1-G1/2" 11-G3/4"
Ⅴ型 BJX-20/36 422 359 320 315 134 1-G1/2" 13-G3/4"
壳体型号 型号 A B C D E F 进线口数量及规格 出线口数量及规格 备注
Ⅰ型 BJX-20/8 270 290 160 160 113 99 1-G3/4" 6-G1/2" ExdⅡCT6
Ⅱ型 BJX-20/16 330 360 220 220 119 104 1-G11/2" 6-G3/4"
Ⅲ型 BJX-20/24 370 408 260 260 135 119 1-G1/2" 10-G3/4"
Ⅳ型 BJX-20/36（48） 460 498 350 350 140 124 1-G1/2" 12-G3/4"
壳体型号 型号 A B C D E F G H 进线口数量及规格 出线口数量及规格 备注
Ⅰ型 BJX-20/20 190 226 274 92 124 238 12 98 1-G1" 3-G3/4" ExeⅡT6
Ⅱ型 BJX-20/20 190 226 318.5 150 190 332 12 98 1-G11/2" 3-G1"
Ⅲ型 BJX-20/30 250 210 378.5 190 226 332 12 98 1-G1/2" 4-G1"
Ⅳ型 BJX-20/60 250 351 400 210 250 404 13 98 1-G2" 6-G1"
Ⅴ型 BJX-20/80 300 351 428.5 160 200 354 13 98 2-G2" 7-G1"
Ⅵ型 BJX-20/120 300 351 429 260 300 454 13 98 2-G2" 9-G1"
1．防爆接线箱|BJX防爆接线箱|防爆电缆分线箱用途与适用范围
1 Purpose and scope
BJX51防爆接线箱（防爆分线箱）是根据国家标准GB3836.1—2000《爆炸性气体环境用电气设备 第1部分：通用要求》和GB3836.2—2000《爆炸性气体环境用电气设备 第2部分：隔爆型“d”》的要求设计与制造的，主要用于爆炸性气体环境中1区或2区危险区域，为ⅡB类T6组及以下的爆炸危险场所，在交流50Hz、额定电压至380V、额定电流至200A的电路中，作为照明、信号、动力电线电缆连接和分支之用。
BJX51 explosion-proof junction box （explosion-proof junction box） is based on the national standard GB3836.1 - 2000 "electrical apparatus for explosive gas atmospheres - part first: General requirements" and GB3836.2 2000 "electrical apparatus for explosive gas atmospheres - Part second: Flameproof Enclosures" d "requirements of the design and manufacturing, mainly used in explosive gas environment Zone 1 or zone 2 hazardous area, for class Ⅱ B and below T6 group explosive dangerous location, in the circuit of AC 50Hz, rated voltage to 380V, rated current up to 200A, as the lighting, signal, power wire and cable connection and branch of.
2．防爆接线箱|BJX防爆接线箱|防爆电缆分线箱产品型号含义及基本参数
The 2 model the meaning and basic parameters
2.1产品型号含义
The 2.1 model the meaning
B JX－□\/□T□\/□L□\/□B□\/□R□\/□
B JX □ □ □ □ \ / T / L / □ □ □ □ B / R / □ □
进线口数\/螺纹
The incoming line port number \ / thread
右方进线
Right in line
进线口数\/螺纹
The incoming line port number \ / thread
下方进线
Below the line
进线口数\/螺纹
The incoming line port number \ / thread
左方进线
The left line
进线口数\/螺纹
The incoming line port number \ / thread
上方进线
The top line
额定电流
Rated current
端子数
The number of terminals
接线箱
Junction box
隔爆型
Flameproof
2.2基本参数（见表）
2.2 basic parameters （see table）
型号 额定电压
Types of rated voltage
（V） 额定电流
Rated current （V）
（A） 防爆标志 防护等级
（A） explosion-proof mark protection grade
BJX-6 380、220 10～200 ExdⅡBT6 IP54
BJX-6 380, 22010 ~ 200 Exd II BT6 IP54
BJX-12
BJX-12
BJX-36
BJX-36
选型指南
Selection Guide
注：1、订货时请注明所需产品的防爆型式。
Note: 1, when ordering please specify the type of protection required products.
例：
Cases:
1、若需订购BJX防爆接线箱，防爆型式为ⅡC级、额定电流为20A、接线端子数为8、上方有2个G3\/4"引入口、左方有2个G3\/4"
1, if you need to order the BJX explosion-proof junction box, explosion-proof type II C, rated current is 20A, terminal number is 8, above the 2 G3\/4 "into the mouth, the left has 2 G3\/4"
2、若需订购BJX粉尘防爆接线箱，额定电流为20A、接线端子数为36、上方有5个G3\/4"引入口、左方有3个G3\/4"引入口、下方有2个G1"引入口和2个G3\/4"引入口、右方有3个G3\/4"引入口，则订货型号为“BJX-DIP-20\/36D5（G3\/4）\/L3（G3\/4）\/X2（G1）2（G3\/4）\/R3（G3\/4）”
2, if you need to order the BJX dust explosion-proof junction box, rated current is 20A, terminal number is 36, above the 5 G3\/4 "into the mouth, the left has 3 G3\/4" into the mouth, below the 2 G1 "into the mouth and 2 G3\/4" into the mouth, the right has 3 G3\/4 "into the mouth, then ordering model for" BJX-DIP-20\/36D5 （G3\/4） \/L3 （G3\/4） \/X2 （G1） 2 （G3\/4） \/R3 （G3\/4）"
BXJ-124-190 进出口为3\/4
BXJ-124-190 import and export as 3\/4
BXJ-190-190 进出口为3\/4
BXJ-190-190 import and export as 3\/4
3．防爆接线箱|BJX防爆接线箱|防爆电缆分线箱接线箱在下列条件下能够可靠工作
3 junction box can work reliably under the following conditions
a）安装地点的海拔不超过2000m；
A） installation site elevation not exceeding 2000m;
b）周围空气温度上限值不超过+40℃，下限值不低于-20℃，且24h内平均值不超过+35℃；
B） the temperature of the air around the upper limit of not more than +40 ℃, lower value not lower than -20 ℃, and the 24h average value not more than +35 ℃;
c）安装地点的空气相对湿度在zui高温度为+40℃时，不超过50%；在较低的温度下允许有较高的相对湿度，zui湿的月平均zui低温度不超过+25℃，该月的月平均zui大相对湿度不超过90%；
C） the installation site of the air relative humidity at the highest temperature of +40 ℃, not more than 50%; allow a higher relative humidity in the lower temperature, the humidity of the monthly mean minimum temperature of not more than +25 DEG C, the monthly average maximum relative humidity of not more than 90%;
d）污染等级为3级。
D） pollution grade was 3.
e）安装类别为Ⅱ类。
E） installation for the type of category.
4．防爆接线箱|BJX防爆接线箱|防爆电缆分线箱主要结构
The 4 main structure
接线箱采用铸铝合金制成，隔爆型结构，腔内装有接线端子或母线排，设有内外接地螺钉，供接地线连接。电缆引入装置内从内到外依次装有密封圈、垫圈和压紧螺母适合电缆和钢管布线。接线箱的外表面静电粉末喷塑，耐腐蚀。
Junction box is made of aluminum alloy, flameproof structure, cavity is provided with a wiring terminal or bus, with internal and external grounding screw, for grounding wire. Cable introducing device from the inside to the outside is provided with a sealing ring, gasket and nut for cable and steel pipe wiring. The outer surface of electrostatic powder spray box, corrosion resistance.
5．使用与维修
5 use and repair
5.1安装时，将接线箱盖和引入装置打开，根据电缆的外径选择合适的密封圈内径尺寸，然后把电缆依次穿过引入装置的压紧螺母、垫圈和密封圈接至腔内，紧固压紧螺母使电缆密封，不引入电缆的引入装置用堵棒代替电缆，并紧固好压紧螺母。把导线接至接线端子的相应位置上，接好接地线，合上盖，把盖用螺栓紧固即可使用；
5.1 installation, the junction box cover and introducing device is opened, according to the outer diameter of cable selection of sealing ring diameter of suitable size, and then followed by cable through the introduction of device hold-down nut, the gasket and sealing ring is connected to the cavity, fastening nut so that the cable sealing, introducing device does not introduce cable with plug rod to replace the cables, and fastening nut. The corresponding position of a wire connected to the terminals, connect the ground wire, close the cover, the cover can be used with bolts;
5.2 接线箱不得随意拆卸，维修时先断开前级电源后，才能开盖维修，维修时不得损坏隔爆接合面，维修后隔爆接合面清理后涂204-1防锈油，将盖合好后，各部分螺栓（钉）紧固后才能使用；
5.2 junction box shall not disassemble, repair to disconnect the power supply before class, to open repair, repair shall not be damaged flameproof joint, after the repair of flameproof joint after cleaning with 204-1 antirust oil, will cover together, each part of the bolt （screw） fastening to use;
5.3 接线箱应定期检查，发现电缆引入装置的密封圈老化变质及其他零件损坏应及时更换。
5.3 junction box should be checked regularly, found that cable introducing device of the ring aging deterioration and other parts damaged should be replaced promptly.
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