can be used in zone 1zone 2one 2 dangerous places.
can be used in iia,iib 、iicgroup explosive atmosphere.
＊please note if want iic group safety-increased type
防爆接线盒型号含义model implication
产品特点 features
表面喷塑. the shellis of diecasted ai-alloywithplastic-sprayed sunface.
进出线口有多种方式及规格. 铸铝合金外壳,压铸成形 inlet or outlet has many kinds of modesspecifications.
进出线口螺纹可特制. thread specification can be specially designed.
符合gb3836-2000,iec60079标准要求. suitable for gb3836-2000,iec60079 standard request.
技术参数technical parameters
ａｈ 系列防爆接线盒代号，外形及名称一览表 ah seriesflame-proof junction box code,outlinedesc-riptions as the following table.
代号 code
外形 outline
名称 desc-ription
代号code
外形outline
名称 desc-ription
a
一通平 1entry in horizon
f
一通吊１entry in horizon
b
直二通平2 direct entries in horizon
g
直二通吊２direct entries in horizon
c
三通平 3 entries in horizon
h
三通吊 3 entries in horizon
d
四通平４entries in horizon
i
四通吊 ４entries in horizon
e
直角二通平２perpendicular entries,in horizon
j
直角二通吊2 perpendicular entries,in horizon
注：１.“o”表示平盖，“ｏ”表示吊盖。 ２.在正常情况下，吊盖与通头同口径，如特殊要求可特制。 ３.通头一般为圆柱管螺纹ｇ１／２"、ｇ１"如特殊要求可特制。 标注举例： １.cbjh-3/4b含义：ah隔爆型接线盒，管螺纹为ｇ3/4"直二通平盖。 2.cbjh-1/2含义：ah隔爆型接线盒，管螺纹为g1/2"直角二角吊盖。 note:1"o"horzontal cover,"o"hung cover. ２ .generally the diameter of entry is equal to that of hung cover hole.special requirement can be available. for example: 1.cbjh-3/4b means:ah explosion-proof junctino box,pipe thread g3",g3",g1",also special requirement can be made. ２.cbjh-1/2jmeans:ah explosion-proof juncton box,pipe thread g1/2",2perpendicular entries with hung cover.
主要技术参数main technical parameters
额定电压（v）rated volage
额定电流（a）rated current
防爆防标ex-mark
管螺纹规格（g"）pipethread specification
防护等级protectiongrade
380
20
exd ii bt6 ＊exd ii ct6 ＊exe ii t5
1/2 、3/4 、1
ip54 ＊ip55
外形示意图main technical parameters
ii b类，增安型接线盒外形示意 iib group,safety-increased junction box outline sketch map
ii c 类接线盒外形示意 ii c group junction box outline sketch map
ii b类，增安型接线盒外形尺寸 ii c类，接线盒外形尺寸 dimension of iib group,safety-increased type junction box dimension of iic group junction box
