SFZW撥bo碼ma開kai關guan型xing溫wen度du變bian送song器qi,在zai調tiao整zheng量liang程cheng範fan圍wei時shi,無wu需xu供gong電dian,更geng無wu需xu在zai輸shu入ru端duan接jie入ru電dian阻zu箱xiang或huo信xin號hao發fa生sheng器qi,它ta簡jian單dan到dao隻zhi需xu一yi把ba小xiao螺luo絲si刀dao,調tiao整zheng撥bo碼ma開kai關guan的de位wei置zhi,就jiu能neng調tiao整zheng量liang程cheng範fan圍wei;無wu論lun與yu傳chuan感gan器qi配pei套tao使shi用yong時shi,還hai是shi現xian場chang使shi用yong時shi,都dou可ke以yi實shi時shi調tiao整zheng,縮suo短duan了le調tiao整zheng的de時shi間jian,同tong時shi也ye將jiang調tiao整zheng難nan度du降jiang低di,從cong此ci不bu需xu要yao再zai去qu學xue習xi那na些xie繁fan瑣suo的de組zu態tai方fang法fa了le;youlezhiguandebomakaiguan,jiukeyitongguobomakaiguandeweizhi,laizhakandangqiansuoshezhideliangchengfanwei,zhezhongliangchengzhiguandetexing,jiandanyidong,suojianjisuode,tongshiyejiangtiaozhengliangchengfanweidecuowujilvjiangdi。
該產品采用防雷擊和防電快速瞬變(脈衝群)幹擾的電路設計。具備了防雷±4000V的能力。本產品可有效防護因為感應雷或供電係統內部大功率設備的啟停、線路故障、投切動作、變頻設備的運行和現場施工時電焊機等原因造成的損壞