Applying scope ◆Explosive gas atmospheres:Zone 1&2 ◆Dangerous gases or vapors zone:IIA、IIB、IIC ◆Temperature classes:T1-T6 ◆Protective classes:IP54,*IP56
二、型号含义Type
代号Code
外形Outline
名称Name
A
一通平One Way On Level Cover
B
直二通平Two Way Straight On Level Cover
C
三通平Three Way On Level Cover
D
四通平Four Way On Level Cover
E
直角二通平 Two Way Reetangular On Level Cover
F
一通吊One Way On Ceiling Cover
G
直二通吊Two Way Straight On Ceiling Cover
H
三通吊Three Way On Ceiling Cover
I
四通吊 Four Way On Ceiling Cover
J
直角二通吊Two Way Reetangular On Level Cover
注： 1、○表示平盖，◎表示吊盖 2、在正常情况下，吊盖与接头同口径，如特殊要求特制 3、接通头一般为圆柱管螺纹G1/2"、G3/4"、G1",如特殊要求特制 4、额定电压：380V/220V 额定电流：20A 标注举例： 1、JHd-3/4B意义：JHd隔爆型分线盒，管螺纹为G3/4"直二通平盖 2、JHd-1/21意义：JHd隔爆型分线盒，管螺纹为G1/2"直二通吊盖 Note: 1、○Means level cover, ◎Means ceiling cover 2、In normal case,The ceiling cover and the connector have the dia.metal,It can be made specially if special requirement. 3、The connector is cylinde,size G1/2"、G3/4"、G1".It can be made specially if special requirement. 4、Rated voltage:380V/220V rated current:20A Sample: 1、JHd-3/4B Means:JHd flame-proof type junction,The size is G3/4",two way straight on level cover. 2、JHd-1/2J Means:JHd flame-proof type junction,The size is G1/2",two straight on ceiling cover.
