| | 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 pipecable 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 | | 开关代号简要说明 Brief Instuction for switch code | | 开关组合
符号
The code
of switch | 接触图
Chart of contact
| 等效开关
Equivalent
switch | 旋钮位置（实践表示定位
虚线表示自复位）
Rotary button''s position
real line denotes location
broket line denotes auto-
resetting | 等效功能说明
Instruction for
equivalent function | | A |  |  |  | A.功能接线均与双按钮相同,
自动复位.
Functional wiring is the
button with auto resetting.
| | B |  |  |  | B.功能与双按钮相同,起动复
位,增加了锁停档位,避免误操作
Functional wiringis the same as
button with auto resetting,add
"lock-stop"to avoid mistake operating. | | C |  |  |  | C.功能为2个带常开触点的按钮
自动复位,适合于高压电机控制
电路.或采用A功能面板.
Button with 2usually-open contacts
auto-resetting,Suitable for
high-voltage engine control circuit
or function panel A. | | D |  |  |  | D.小功率电源开关.
Mini-power switch | | E |  |  |  | E.功能与三钮相同,控制电机正反
转用,正,反起动位置自复位.
Function is the same as three buttons
buttons to control-conversion of FW&BW
starters can auto-reset. | | F |  |  |  | F.选择开关,中间带停止档位.
Selected switch with stop location in midst.
| | G |  |  |  | G.相当于2个按钮和一个切换开关
装于一轴,在起动与停止之前均可
输出联络信号或监控信号
Be equol to mounting two buttonsone
change-over switch in one axe.Can output
contact signal or inspect signal beford
startinstopping. | | H |  |  |  | H,多信号逐级传送,方向任意旋转.
Multi-signals transmit gradually
conbvert in random. | | I |  |  |  | I.在H基础上增加了总信号传送功能.
Add function of chief-signal transmitting
on the base of H struchurd. | | | | J |  |  |  | J.二位进级,逐级切换.
Change-over gradually.
| | K |  |  |  | K,切换开关
Change-over switch. | | L |  |  |  | L.三极双掷选择开关
Selected switch with tree poles
two launches. | | M |  |  |  | M,自动,手动,起动三位置转换开关
起动自复位,起动后必须经过停止档位
才能转向自动档位.
Change-over switch with automtion
hand,starting.Convert to automation
through stop location. | | N |  |  |  | N,与M*结构略有不同,起动后不经停
止档位直接转向自动档次.
Little different from m universal
structure,it don''t pass stop location
to automation location. | | O |  |  |  | O.起动为双触点带锁停功能,起动自复位.
Double contacts for starting with
lock-stoppingauto-resetting.. | | P |  |  |  | P,停止为双触点,可分别代替A和C,起停,自
动复位..
Double contacts for stopping,to substitude
ACfor starting,stoppingabuto-resetting. | | Q |  |  |  | Q 停止带双触点,带锁停功能,起动自复位.
Double contacts for stopping,the
same as Buniversal panelwith
lock-stoppingauto-resetting. | | R |  |  |  | R,起,停均带双触点,起停均自动复位,同
A*面板.
Doulbe for both startingstopping
The same as A universal panel with
auto-resetting when starting and stopping. | | S |  |  |  | S.起停前先传送一个联络信号.
Tramsmit a contact isgnal before
startingstopping. | | T |  |  |  | T.起,停均带锁停档位功能,避
免误操作,不自动复位.
Equipped with lock-stop
location when startingstopping.
Can''t autoreset to provide mistake operation.
| | U |  |  |  | U.为双控选择开关
Double-control switch.
| | V |  |  |  | V.电压换相测量转换开关.
Change-over switch for voltage
usually-opens,the left is as same
as the right
| | W |  |  |  | W.左右一样的一个正常开自复位按钮.
One auto-reset button with
two usually-opens,the left is
as same as the right.
| | X |  |  |  | X.为带2个2常开触点的自复位按钮
Two auto-reset buttons with two
usually-opens.
| | Y |  |  |  | Y.为带4个常开触点的自复位按钮.
Auto-rest button with four usually-opens..
| | Z |  |  |  | Z.电源程序开关,中间断开,左右均接近
可作消防开关.
Power-source programmed switch can
cut off in betweencut in both
the leftright which an be used
as extinctive switch.
| | a-1 |  | |  | a-1.用于起动,点动混合电路.
For startinginching the mixed
circuit.
| | b-1 |  |  |  | b-1.双联动开关.
Double starting switch.
| | c-1 |  |  |  | C-1. 急停按钮开关.
Emergency stopping switch.
| | 外形安装及举例 Outline example | | |  |  | CBC51-D2K1（II型）
二灯一开关挂式 Two lamps one switch,pendant |  |  | CBC51-B1K1 G（III型）
一表一开关挂式 One meter one switch,pendant | CBC51-K2 G（III型）
二开关挂式 Two switches pendant |  |  | CBC51-B1D2K1 G（IV型）
一表二灯一开关挂式 One meter,two lamps one switch,pendant | CBC51-A2D2k1 G（IV型）
二钮二灯一开关挂式 Two buttons,mtwo lamps one switch,pendant |  |  | CBC51-A2K1 G（II型）
二钮一开关挂式 Two buttons one switch.Pendant | CBC51-A2D2 G（II型）
二钮二灯挂式 Two buttons two lamps,pendant |  |  | CBC51-A2B1 G（III型）
二钮一表挂式 Two buttons one meter,pendant | CBC51-A2 G（I型）
二钮挂式 Two buttons,pendant |  |  | CBC51-A2B1D2 G（IV型）
二钮一表二灯挂式 Two buttons one lamp,pendant | CBC51-k1 G（I型）
一天关灯挂式 One switch pendant | | |
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