產品名稱:  防爆星三角起動箱（ⅡB）
 
適用范圍Application 
1區、2區危場所。
IIA、IIB類爆竹性氣體環境.
Can be used in Zone 1 and Zone 2one 2 dangerous places.
Can be used in IIA,IIB group explosive atmosphere
.
型號含義Model implication
 
產品特點 Features  
該產品適用于3-95KW 三相異步電動機不頻繁起動和停止.
鑄鋁合金或鋼板焊接外殼,表面噴塑.
內裝斷路器,交流接觸器,時間斷電器,熱繼電器,電流互感 器,電壓表,電流表,轉換開關,指示燈.
延時自動控制時間繼電器(0-60秒內可調).
適用于不間斷長期工作制或反復短時工作制,在反復短時 工作制下的操作頻率為30次/小時,兩次邊疆起動間隙不 小于90秒.
具有過載,短路,斷相保護等功能.
可根據用戶要求特制.
鋼管或電纜布線均可.
45kw以下為鋁合金殼體,45kw(含45kw)以上的為鋼板焊 接殼體.
符合BG3836-2000,IEC60079標準要求.
Suitable for 3-95kw asynchronous motor to start and stop unfrequently.
The shell is of diecaste Al-alloy or welded by steel plates with plastic-sprayed surface.
Inside is installed with CB,AC contactor,time relay,thermal relay,CT,
Voltmeter,ammeter,conversion switch and indicatior.
Delayed self-controlled relay (0-60s adjustable).
Suitable for continuously work or short interval work,at short intarval
work its operating frequency is 30 times/hour,the interval is not less
Than 90 seconds.
With protections of over load,short-circuit,phase-failure.
Special requirements can be provided.
Conduit wiring or cable wiring.
The shell is of diecasted-AI,if<45kw,welded steel plate,if
Suitable for GB3836-2000,IEC60079 standard request.

 
主要技術參數 Main technical parameters
 
產品型號Type
 控制電機功率(kw)Power of controlled motor
 額定電流(A)Rated current 熱繼電器整定額定電流(A) Setting current of thermal ralay 時間繼電器整定值(S)Setting of time relay
BQJ52-Y13 13 26 1.05In 11 
BQJ52-Y17 17 33 13
BQJ52-Y22 22 42.8 15
BQJ52-Y30 30 58 17
BQJ52-Y37 37 72 17
BQJ52-Y45 4 90 20
BQJ52-Y55 55 105 24
BQJ52-Y75 75 150 30
BQJ52-Y95 95 190 35
 
防腐等級 Corrosion-proof grade  防爆標志 Ex-mark  防腐等級 Corrosion-proof grade  進線口螺紋(G") Inlet’s thread  出線口螺紋（G"）Outlet’s thread  電纜外徑（）Cable’s outside diameter 
IP54 Exd II BT4  WF1 1 1/2-3  1 1/2-3  30-50
 
 
外形及安裝尺寸 Outlinge and installing dimension