BZC51系列防爆操作柱（ⅡB）
適用范圍 Application
1區、2區危險場所.
IIA、IIB、類爆炸性氣體環境.
BZC51系列防爆操作柱（ⅡB）特點 Features
■ 鑄鋁合金外殼,表面噴塑. ◆ Al-alloy diecasted shell with plastic-sprayed surface
■ 內裝*轉換開關、按鈕、電流表（可按用要求 ◆ Inside is mounted univeral changeover swith,button,ammeter（can mountother
裝其他儀表）、指示燈. instruments according to user's requirement）and indicator,etc.
■ 轉換開關有30多種功能可由用戶自由選擇,可根
據 ◆ There are more than 30 functions of changeover switch available to be chosen
要求特制.
■ *開關操縱機構經過優化設計,可以自動找正,能 ◆ Can be customized according to user's requirement.
能保證轉動靈活,無卡滯現象.
■ 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. ◆ Suitable for steel pipe and cable wiring.
■ 產品出廠銘牌上只體現總單元內容,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. ◆ The code of other parts is ordering parameter.
■ 符合GB3836-2000,IEC60079標準要求. ◆ Suitable for GB3836-2000,IEC60079 standard request.
BZC51系列防爆操作柱（ⅡB）主要技術參數 Main te chnical parameters
使用類別 額定電壓（v） 額定電流 （A） 防爆標志 防護等級 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
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AC-3 220/380 10 Exde II Bt6 Ip55 Wf1 1 12-17
AC-4
BZC51系列防爆操作柱（ⅡB）訂貨舉例 Notice if ordering
1 、一表一開關立式,開關代號為K,表量程為200/5應 1 、One meter one switch vertictype,the code of the switch is K,one
標注為: 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個按鈕規格為一常開一常閉.標注為: 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
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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
開關代號簡要說明 Brief Instuction for switch code
開關組合
符號
The code
of switch
接觸圖
Chart of contact
等效開關
Equivalent
switch 旋鈕位置（實踐表示定位
虛線表示自復位）
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,
自動復位.
Functional wiring is the
button with auto resetting.
B B.功能與雙按鈕相同,起動復
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個帶常開觸點的按鈕
自動復位,適合于高壓電機控制
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.
Mini-power switch
E E.功能與三鈕相同,控制電機正反
轉用,正,反起動位置自復位.
Function is the same as three buttons
buttons to control-conversion of FW&BW
starters can auto-reset.
F F.選擇開關,中間帶停止檔位.
Selected switch with stop location in midst.
G G.相當于2個按鈕和一個切換開關
裝于一軸,在起動與停止之前均可
輸出聯絡信號或監控信號
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.
Multi-signals transmit gradually
and conbvert in random.
I I.在H基礎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.二位進級,逐級切換.
Change-over gradually.
K K,切換開關
Change-over switch.
L L.三極雙擲選擇開關
Selected switch with tree poles
and two launches.
M M,自動,手動,起動三位置轉換開關
起動自復位,起動后必須經過停止檔位
才能轉向自動檔位.
Change-over switch with automtion
hand,starting.Convert to automation
through stop location.
N N,與M*結構略有不同,起動后不經停
止檔位直接轉向自動檔次.
Little different from m universal
structure,it don't pass stop location
to automation location.
O O.起動為雙觸點帶鎖停功能,起動自復位.
Double contacts for starting with
lock-stopping and auto-resetting..
P P,停止為雙觸點,可分別代替A和C,起停,自
動復位..
Double contacts for stopping,to substitude
A and Cfor starting,stopping and abuto-resetting.
停止帶雙觸點,帶鎖停功能,起動自復位.
Double contacts for stopping,the
same as Buniversal panelwith
lock-stopping and auto-resetting.
R R,起,停均帶雙觸點,起停均自動復位,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絡信號.
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
Double-control switch.
V V.電壓換相測量轉換開關.
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常開觸點的自復位按鈕
Two auto-reset buttons with two
usually-opens.
Y Y.為帶4個常開觸點的自復位按鈕.
Auto-rest button with four usually-opens..
Z Z.電源程序開關,中間斷開,左右均接近
可作消防開關.
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,點動混合電路.
For starting and inching the mixed
circuit.
b-1 b-1.雙聯動開關.
Double starting switch.
c-1 C-1. 急停按鈕開關.
Emergency stopping switch.
外形安裝及舉例 Outline example
CBC51-D2K1（II型）
二燈一開關掛式 Two lamps one switch,pendant
CBC51-B1K1 G（III型）
一表一開關掛式 One meter one switch,pendant CBC51-K2 G（III型）
二開關掛式 Two switches pendant
CBC51-B1D2K1 G（IV型）
一表二燈一開關掛式 One meter,two lamps one switch,pendant CBC51-A2D2k1 G（IV型）
二鈕二燈一開關掛式 Two buttons,mtwo lamps one switch,pendant
CBC51-A2K1 G（II型）
二鈕一開關掛式 Two buttons one switch.Pendant CBC51-A2D2 G（II型）
二鈕二燈掛式 Two buttons two lamps,pendant
CBC51-A2B1 G（III型）
二鈕一表掛式 Two buttons one meter,pendant CBC51-A2 G（I型）
二鈕掛式 Two buttons,pendant
CBC51-A2B1D2 G（IV型）
二鈕一表二燈掛式 Two buttons one lamp,pendant CBC51-k1 G（I型）
一天關燈掛式 One switch pendant
