□本产品适用交流50Hz，额定电压10KV，在变压器中与其它保护电器(如：负荷开关等)配合使用，作为电力变压器及其它电力设备 的过载或短路保护。主要用于美式箱变中作后备保护用。 □The product can be used in system with AC 50Hz and rated voltage of 10KV, used togethe r with other protection electtic faciIities(such as loading switches). It can protect electtic transformers and other electtic faciIitles against overloading or circuit break. It is mainly used in American style box transformers as backup protection．
◆型号说明Type instruction
◆基本参数Basic parameters
熔断器的基本参数如表1 See chart for the fuse of basic parameters

型号 Type	额定电压(KV) Rated voltage KV	最高工作电压 (KV) Max working voltage KV	熔断器额定电流 (KA) Fuse rated current KA	熔体额定电流 (A) Rated current of fuse link A
OFG	10	12	125	63，80，100，125
			200	160，200

◆主要技术特点Major technical characteristics
1、熔断器在规定的使用条件下，能可靠分断最小开断电流(2.5-5)ln至额定开断电流为50KA之间的任何故障电流。 2、熔断器时间-电流特性如图3，最小开断电流以上部分为虚线。　3，限流特性如图2。 1，The fuse link can break any problem current between the minimum break current(2.5-5)In to rated break current 50KA. 2，See chart 3 for the fuse time-current property.The upper section above the minimum break current is broken line. 3，See chart 2 for limn current property.
◆外型及安装尺寸Installation Dimensios
熔断器的外形及安装尺寸如图1所示。See Chart 1 for the fuse external structure and installation dimensions.
◆正常使用条件Conditions for normal use
熔断器正常使用于变压器油中，周围的温度上限不超过100℃ When the fuse link is in normal use in transformer oil，the max environmet temperature is less than 100℃