產(chǎn)品名稱:  BZC51防爆操作柱LBZ（ⅡB）
 
 適用范圍 Application
1區(qū)、2區(qū)危險場所.
IIA、IIB、類爆炸性氣體環(huán)境.
Can be used in Zone 1and Zone 2 dangerous places.
Can be used in IIA、IIB group explosive atmosphere. 

產(chǎn)品特點(diǎn) Features
■ 鑄鋁合金外殼,表面噴塑.                                     ◆ Al-alloy diecasted shell with plastic-sprayed surface
■ 內(nèi)裝*轉(zhuǎn)換開關(guān)、按鈕、電流表（可按用要求                  ◆ Inside is mounted univeral changeover with,button,ammeter（can mountother
     裝其他儀表）、指示燈.   instruments according to user's requirement）and indicator,etc.
■ 轉(zhuǎn)換開關(guān)有30多種功能可由用戶自由選擇,可根據(jù)
◆ There are more than 30 functions of changeover switch available to be chosen
     要求特制.
■ *開關(guān)操縱機(jī)構(gòu)經(jīng)過優(yōu)化設(shè)計,可以自動找正,能               ◆  Can be customized according to user's requirement.
     能保證轉(zhuǎn)動靈活,無卡滯現(xiàn)象.
■ 電流表量程由用戶.                                      ◆  The ammeter'smeasuring range can be determinedby users.
■ 鋼管或電纜布線均可.cable wiring.
■ 產(chǎn)品出廠銘牌上只體現(xiàn)總單元內(nèi)容,名分單元代號                ◆ The marker of product when ex-factory only reflect the content of chief part,
     為訂貨參數(shù).                                              ◆ The code of other parts is ordering parameter.
■ 符合GB3836-2000,IEC60079標(biāo)準(zhǔn)要求.                          ◆  Suitable for GB3836-2000,IEC60079 standard request.
主要技術(shù)參數(shù) Main te chnical parameters
     使用類別         額定電壓（v）        額定電流 （A）        防爆標(biāo)志         防護(hù)等級              防腐等級             時線口螺紋（G"）        電纜外徑（￠,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                                                                                 
訂貨舉例 Notice if ordering
1 、一表一開關(guān)立式,開關(guān)代號為K,表量程為200/5應(yīng)                            1 、One meter one switch vertictype,the code of the switch is K,one
        標(biāo)注為:      meter the measuring range is 200/5
                   BZC51-B1K1L                                                                                                                               BZC51-B1K1L
          B1-1（200/5）        B1-1（200/5）          K1-1A                                                                                                                                             K1-1A
2 、二鈕一表二燈掛式,表量程為100/5,指示燈為220V                            2 、Two buttons one meter pendant type,two lamps one meter,the
      紅綠各1個,2個按鈕規(guī)格為一常開一常閉.標(biāo)注為:                                    Meas wring range is 100/5,one red indiator,one green indicator,
                  BZC51-A2B1D2G                                                                            the voltage is 220V,two bottons are 1NC.
                               A2-2I                                                                                                                                   BZC51-A2B1D2G
                               B1-1（100/5）                                                                                                                                       A2-2I
                               D2-1Rd/1Gd                                                                                                                                      B1-1（100/5）       
                                                                                                                                                                                          D2-1Rd/1Gd
按鈕代號 Button code
                   代號 Code                                       I                             II                               III                             IV                          V
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               按扭觸頭型式                           一常開一常閉             二常開                     二常閉                     一常開                  一常閉   
              Form of button contact                1NO                   2NO                            2NC                       1NO                      1NC

代號指示燈 Indicator Code
                              代號Code              a                b              c                d                   e
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                             電壓Voltage（v）    12              24            36              220                380
--------------------------------------------------------------------------------

                            代號Code               R                 B                          Y                           W
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                            顏色 Color     紅色red     綠色Green         黃色 Yellow        白色 White 

開關(guān)代號簡要說明 Brief Instuction for switch code
   開關(guān)組合
   符號
 The code
 of switch
                        接觸圖
                  Chart of contact
             等效開關(guān)
            Equivalent
            switch  旋鈕位置（實(shí)踐表示定位
虛線表示自復(fù)位）
Rotary button's position
real line denotes location
broket line denotes auto-
resetting         等效功能說明
     Instruction for
     equivalent function
      A       A.功能接線均與雙按鈕相同,
自動復(fù)位.
Functional wiring is the
button with auto resetting.
 
      B       B.功能與雙按鈕相同,起動復(fù)
位,增加了鎖停檔位,避免誤操作
Functional wiringis the same as
button with auto resetting,add
"lock-stop"to avoid mistake operating.
     C       C.功能為2個帶常開觸點(diǎn)的按鈕
自動復(fù)位,適合于高壓電機(jī)控制
電路.或采用A功能面板.
Button with 2usually-open contacts
and auto-resetting,Suitable for
high-voltage engine control circuit
or function panel A. 
     D       D.小功率電源開關(guān).
Mini-power switch
     E       E.功能與三鈕相同,控制電機(jī)正反
轉(zhuǎn)用,正,反起動位置自復(fù)位.
Function is the same as three buttons
buttons to control-conversion of FW&BW
starters can auto-reset.
     F       F.選擇開關(guān),中間帶停止檔位.
Selected switch with stop location in midst.
 
     G       G.相當(dāng)于2個按鈕和一個切換開關(guān)
裝于一軸,在起動與停止之前均可
輸出聯(lián)絡(luò)信號或監(jiān)控信號
Be equol to mounting two buttons and one
change-over switch in one axe.Can output
contact signal or inspect signal beford
startin and stopping.
      H       H,多信號逐級傳送,方向任意旋轉(zhuǎn).
Multi-signals transmit gradually
and conbvert in random.
      I       I.在H基礎(chǔ)上增加了總信號傳送功能.
Add function of chief-signal transmitting
on the base of H struchurd.
 

       J                 J.二位進(jìn)級,逐級切換.
   Change-over gradually.
 
      K            K,切換開關(guān)
    Change-over switch.
      L           L.三極雙擲選擇開關(guān)
    Selected switch with tree poles
    and two launches.
      M           M,自動,手動,起動三位置轉(zhuǎn)換開關(guān)
    起動自復(fù)位,起動后必須經(jīng)過停止檔位
    才能轉(zhuǎn)向自動檔位.
   Change-over switch with automtion
   hand,starting.Convert to automation
   through stop location.
     N          N,與M*結(jié)構(gòu)略有不同,起動后不經(jīng)停
   止檔位直接轉(zhuǎn)向自動檔次.
   Little different from m universal
   structure,it don't pass stop location
   to automation location.
    O          O.起動為雙觸點(diǎn)帶鎖停功能,起動自復(fù)位.
   Double contacts for starting with
   lock-stopping and auto-resetting..
    P          P,停止為雙觸點(diǎn),可分別代替A和C,起停,自
   動復(fù)位..
   Double contacts for stopping,to        substitude
A and Cfor starting,stopping and abuto-resetting.
    停止帶雙觸點(diǎn),帶鎖停功能,起動自復(fù)位.
    Double contacts for stopping,the
    same as Buniversal panelwith
    lock-stopping and auto-resetting.
     R          R,起,停均帶雙觸點(diǎn),起停均自動復(fù)位,同
   A*面板.
  Doulbe for both starting and stopping
  The same as A universal panel with
  auto-resetting when starting and     stopping.
      S       S.起停前先傳送一個聯(lián)絡(luò)信號.
Tramsmit a contact isgnal before
starting and stopping.

    T               T.起,停均帶鎖停檔位功能,避
免誤操作,不自動復(fù)位.
Equipped with lock-stop
location when starting and stopping.
Can't autoreset to provide mistake operation.
 
    U        U.為雙控選擇開關(guān)
Double-control switch.
 
     V       V.電壓換相測量轉(zhuǎn)換開關(guān).
Change-over switch for voltage
usually-opens,the left is as same
as the right
 
    W       W.左右一樣的一個正常開自復(fù)位按鈕.
One auto-reset button with
two usually-opens,the left is
as same as the right.
 
    X       X.為帶2個2常開觸點(diǎn)的自復(fù)位按鈕
Two auto-reset buttons with two
usually-opens.
 
    Y       Y.為帶4個常開觸點(diǎn)的自復(fù)位按鈕.
Auto-rest button with four usually-opens..
 
     Z       Z.電源程序開關(guān),中間斷開,左右均接近
可作消防開關(guān).
Power-source programmed switch can
cut off in between and cut in both
the left and right which an be used
as extinctive switch.
 
    a-1        a-1.用于起動,點(diǎn)動混合電路.
For starting and inching the mixed
circuit.
 
   b-1       b-1.雙聯(lián)動開關(guān).
Double starting switch.
 
    c-1       C-1. 急停按鈕開關(guān).
Emergency stopping switch.
 

 外形安裝及舉例 Outline example    
   
                              BZC51-D2K1（II型）
                二燈一開關(guān)掛式 Two lamps one switch,pendant
   
                  BZC51-B1K1 G（III型）
           一表一開關(guān)掛式　One meter one switch,pendant                       BZC51-K2 G（III型）
                         二開關(guān)掛式　Two switches pendant
   
          BZC51-B1D2K1  G（IV型）
       一表二燈一開關(guān)掛式 One meter,two lamps one switch,pendant       BZC51-A2D2k1  G（IV型）
 二鈕二燈一開關(guān)掛式 Two buttons,mtwo lamps one switch,pendant 

   
            BZC51-A2K1  G（II型）
       二鈕一開關(guān)掛式 Two buttons one switch.Pendant         BZC51-A2D2  G（II型）
        二鈕二燈掛式 Two buttons two lamps,pendant
   
          BZC51-A2B1  G（III型）
       二鈕一表掛式 Two buttons one meter,pendant              BZC51-A2  G（I型）
                    二鈕掛式 Two buttons,pendant
    
        BZC51-A2B1D2  G（IV型）
       二鈕一表二燈掛式 Two buttons one lamp,pendant