| | 适用范围 Application | | 1区、2区危险场所.
IIA、IIB、类爆炸性气体环境.
Can be used in Zone 1and Zone 2 dangerous places.
Can be used in IIA、IIB group explosive atmosphere. 
| | | 型号含义 Model implication | | | | 总单元含义 Applicatinon of chief part | |  | | | | | *单元含义 Application of first part 第二单元 Application of second part |  | | 第三单元 Application of third pqrt 第四单元 Application of third part |  | | 产品特点 Features | ■ 铸铝合金外壳,表面喷塑. ◆ Al-alloy diecasted shell with plastic-sprayed surface
■ 内装*转换开关、按钮、电流表（可按用要求 ◆ Inside is mounted univeral changeover swith,button,ammeter（can mountother
装其他仪表）、指示灯. instruments according to user's requirement）and indicator,etc.
■ 转换开关有30多种功能可由用户自由选择,可根据 ◆ There are more than 30 functions of changeover switch available to be chosen
要求特制.
■ *开关操纵机构经过优化设计,可以自动找正,能 ◆ Can be customized according to user's requirement.
能保证转动灵活,无卡滞现象.
■ 电流表量程由用户. ◆ The ammeter'smeasuring range can be determinedby users.
■ 钢管或电缆布线均可. ◆ Suitable for steel pipe and cable wiring.
■ 产品出厂铭牌上只体现总单元内容,名分单元代号 ◆ The marker of product when ex-factory only reflect the content of chief part,
为订货参数. ◆ The code of other parts is ordering parameter.
■ 符合GB3836-2000,IEC60079标准要求. ◆ Suitable for GB3836-2000,IEC60079 standard request. | | 主要技术参数 Main te chnical parameters | 使用类别 额定电压（v） 额定电流 （A） 防爆标志 防护等级 防腐等级 时线口螺纹（G"） 电缆外径（￠,mm）
Using sort Rated voltage Rated current Ex-mark Protection Corrosion-proof Inlet's thread Cable's outer
category Grade
AC-3 220/380 10 Exde II Bt6 Ip55 Wf1 1 12-17
AC-4 | | 订货举例 Notice if ordering | 1 、一表一开关立式,开关代号为K,表量程为200/5应 1 、One meter one switch vertictype,the code of the switch is K,one
标注为: meter the measuring range is 200/5
CBC51-B1K1L CBC51-B1K1L
B1-1（200/5） B1-1（200/5）
K1-1A K1-1A
2 、二钮一表二灯挂式,表量程为100/5,指示灯为220V 2 、Two buttons one meter pendant type,two lamps one meter,the
红绿各1个,2个按钮规格为一常开一常闭.标注为: Meas wring range is 100/5,one red indiator,one green indicator,
CBC51-A2B1D2G the voltage is 220V,two bottons are 1NC.
A2-2I CBC51-A2B1D2G
B1-1（100/5） A2-2I
D2-1Rd/1Gd B1-1（100/5）
D2-1Rd/1Gd | | 按钮代号 Button code | 代号 Code I II III IV V
按扭触头型式 一常开一常闭 二常开 二常闭 一常开 一常闭
Form of button contact 1NO 2NO 2NC 1NO 1NC | | 代号指示灯 Indicator Code | 代号Code a b c d e
电压Voltage（v） 12 24 36 220 380
代号Code R B Y W
颜色 Color 红色red 绿色Green 黄色 Yellow 白色 White | | |
