BXM51防爆照明配电箱，BXM51-7K/8K/9K防爆配电箱（明装/挂壁式）
BXM51系列防爆照明配电箱（以下简称防爆配电箱）是按GB3836.1～2设计和制造，配电箱主要用于1区或2区中含有爆炸性混合物为Ⅱ类B级T4组及以下爆炸危险场所，作为交流50Hz，额定电压至380V，分支回路额定电压220V或380V，分支回路额定电流至60A的电路中，作不频繁接通与分断之用，且具有过载和短路保护。
BXM（D）-4 4 1
BXM（D）-6 6 3
BXM（D）-8 380 63 8 5
BXM（D）-10 10 10
BXM（D）-12 ~ 12 15 G11/4" G1/2" Φ12 Φ8 IP55
BXM（D）-4K 4 20 Exde II CT6 ~ ~ ~ ~ *IP65
BXM（D）-6K 6 25 G3" G1'/2" Φ56 Φ 26
BXM（D）-8K 220 250 8 1 40
BXM（D）-10K 10 50
BXM（D）-12K 12 60
外形及安装举例 Outline and mounting example
BXM（D）-4 BXM（D）-4K
BXM（D）-6 BXM（D）-6K
BXM（D）-8 BXM（D）-8K
BXM（D）-10 BXM（D）-10K
BXM（D）-12 BXM（D）-12K
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支路数 L A
Branch number
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4 回路 FOUR CIRCUITS 920 390
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6 , 8 回路 Six eight circuits 1055 640
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10 , 12 回路 Ten,twelve circuits 1430 890
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BXM（D）-8K（IIC）
BXM（D）-6 BXM（D）-4
BXM（D）-6K BXM（D）-4K
BXM51防爆照明配电箱产品型号和意义及基本参数
The product model and the significance and basic parameters
产品型号和意义
The product model and the significance
BXM 51- □□□□□
BXM 51- □ □ □
WF：户外防中腐蚀（不要求不注）
WF: outdoor prevent corrosion （does not require no note）
出线口方向 D：上出线 X：下出线
Outlet directions D: X: lower outgoing line
进线口方向 D：上进线 X：下进线
The inlet direction of D: X: motivated line into the line
K:主回路带总开关（不带不注）
K: main loop with a total switch （without note）
支路数
The number of branch
设计序号
Design of serial number
防爆照明配电箱
Explosion-proof lighting distribution box
基本参数
Basic parameters
配电箱基本参数见下表
The basic parameters of the distribution box shown in the table below
型号 额定电压（V） 支路额定电流A 馈电开关电流
Model voltage （V） branch rated current A feed switch current
A 回路数
A circuit number
主回路 支路
The main loop circuit
BXM51 380 220 5;10;15;20;3240;50;60 10;15;20;25;3240;50;60;80;100140;200;250 2;4;6;8;10;
BXM51 3802205; 10; 15; 20; 3240; 50; 6010; 15; 20; 25; 3240; 50; 60; 80; 100140; 200; 2502; 4; 6; 8; 10;
12
12
380
380
BXM51防爆照明配电箱的防爆标志为dⅡBT4;
Explosion-proof 3 distribution box sign D Ⅱ BT4;
2．4配电箱进线配用电缆zui大外径为26mm；
The 2.4 lines into the cable distribution box with the largest diameter of 26mm;
2．5配电箱出线配用电缆zui大外径为15mm；
2.5 wire cable distribution box with the largest diameter of 15mm;
3 配电箱在下列情况下能够可靠工作
3 distribution box can work reliably in any of the following circumstances
3．1 周围空气温度上限值不超过+40℃，下限值不低于-20℃，且24小时内的平均值不超过+35℃；
3.1 the temperature of the air around the upper limit of not more than +40 ℃, lower value not lower than -20 ℃, and within 24 hours of the average value of not more than +35 DEG c;
3．2 安装地点的海拔不超过2000m；
3.2 installation site elevation not exceeding 2000m;
3．3 在无显著摇动、振动和冲击的地方；
3.3 significant shake, no vibration and shock;
3．4 安装地点zui湿月平均zui大相对湿度不超过95%，同时该月的月平均温度不低于+25℃；
3.4 installation location the wettest month average maximum relative humidity of not more than 95%, while the average monthly temperature of the month is not lower than +25 ℃;
3．5 污染等级为3级；
3.5 of the pollution level of 3;
3．6 安装类别为Ⅱ、Ⅲ类；
3.6 installation of class II, class iii;
3．7 防护等级：IP54。
3.7 protection grade: IP54.
BXM51防爆照明配电箱主要结构
The 4 main structure
配电箱外壳采用ZL102铸铝合金制成隔爆型主腔及接线腔，主腔内装有C45N系列断路器，通过操作机构及外壳手柄进行操作，每回路有“分”、“合”指示，且有指示灯显示，接线腔内有与主腔相贯通的接线端子，并有电缆引入装置，设有内外接地螺钉。
Distribution box shell is made of ZL102 cast aluminum alloy made of explosion-proof main cavity and a wiring cavity, the cavity is provided with a C45N series circuit breaker, operated by the operating mechanism and the shell handle each loop, "", "" instructions, and indicator light shows, with the main cavity intersecting terminals through the wiring cavity, and the cable leading-in device, with internal and external grounding screw.
BXM51防爆照明配电箱使用与维修
5 use and repair
5．1 将配电箱安装固定好，将进出线腔盖打开，把电缆通过引入装置接至接线端子上，接好内外接地线，检查无误后合上盖，用紧固件紧固，并把压紧螺母旋紧使电缆密封，完毕后即可使用。
5.1 the distribution box installation fixed, pass in and out line cavity cover is opened, the cable introducing device connected to the terminals, connected inside and outside the ground, check and correct after the upper cover, with the fastening piece, and the pressing nut is screwed up the cable sealing, can after use.
5．2 配电箱不得随意拆卸，维修进先断开电源后，才能开盖维修，维修时不得损坏隔爆面，维修后隔爆接合面涂204-1防锈油，并将盖合好，用螺栓紧固后才能使用。
5.2 distribution box shall not disassemble, repair in first disconnect the power, in order to open repair, repair shall not be damaged flameproof surface, after the repair of flameproof joint 204-1 coated anti-rust oil, and will cover good, used to bolt after.
5．3 配电箱安装倾斜度不超过5°。
5.3 distribution box installation inclination of not more than 5 °.
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