1、FN3-12、FN3-12R、FN3-12R/S负荷开关系户内装置的高压电器。适用于交流50Hz、6KV或12KV的网络中,作为开断和闭合负荷及过荷电流之用,亦可用作开断和闭合空载长线。空载变压器及电容之开关。带有RN3型熔断型的负荷开关(FN3-12、FN3-12R/S)可切断路器,作保护开关之用。
2、本负荷开关可配用CS3型及CS2型手动操作机构进行操作。
1、FN3-12、FN3-12R、FN3-12R/S Series are used in the network of AC 50Hz、6KV or 12KV for breaking or closing load and over-load current. they are also used in breaking and closing no-loading . The switch or no-load transformer and capacitor with KN3 type fuse box. Can cut off short-circuit for protecting switch.
2、They can be equipped with CS3 type and CS2 type handle operating mechanism.