一、用途
BK系列机床控制变压器（以下简称变压器）适用50-60Hz电压至500V的电路中，通常用作机床控制电器或局部照明灯及指示灯的电源之用。
First, use
BK series machine tool control transformer (hereinafter referred to as the transformer) for 50-60Hz voltage to 500V circuit, usually used as a source of power of the machine tool control, or the local electrical lighting and lights.
二、结构特征
BK变压器按结构可分为壳式，按安装方式可分为立式。
Second, the structural characteristics of
BK transformer shell structure can be pided into type, can be pided into vertical installation.
三、型号及其含义
四、使用环境
1、周围空气温度-5℃至+40℃，24小时的平均值不超过+35℃；
2、安装地点海拔不超过2000m；
3、大气相对湿度在周围空气温度为+40℃时不超过50%，在较低温度下可以有较高的相对温度，最湿月的平均最大湿度为90%，同时该月的月平均最低温度为+25℃，并考虑到因温度变化发生在产品表面的凝露。
Fourth, the use of the environment
1, ambient air temperature of -5 ° C to +40 ° C, 24-hour average does not exceed +35 ° C;
2, the installation site altitude is not more than 2000m;
3, No more than 50%, atmospheric relative humidity in the ambient air temperature of +40 ℃ and at a lower temperature can have a relatively higher temperature, the wettest month of the average humidity of 90%, while the average monthly minimum of the month temperature of +25 ° C, and taking into account the condensation due to temperature changes occur in the surface of the product.
五、外形及安装尺寸
型号 外型尺寸 安装孔距 安装孔
K*J
Bmax Dmax Emax A C
BK-50 86 95 93 70±0.4 50±3 5*12
BK-100 100 110 113 85±0.4 60±2.5 6*12
BK-150 100 125 113 85±0.4 66±2.5 6*12
BK-250 160 107 137 100±0.4 80±3 9*11.5
BK-300 160 107 137 100±0.4 80±3 9*11.5
BK-400 160 143 137 110±0.4 92±3 9*11.5
BK-500 160 143 137 110±0.4 92±3 9*11.5
BK-700 160 160 137 110±0.4 102±3 9*11.5
BK-1000 160 180 137 150±0.4 100±3.5 9*11.5
BK-1500 160 240 137 160±0.4 132±3.5 9*11.5
BK-2000 184 270 145 160±0.4 132±3.5 9*11.5
