ZX1型電阻器適用于交流50HZ電壓至660V及直流電壓至440V的電路中。主要作電動機的起動、制動與調(diào)速之用,其容量約為4.6KW。o海拔高度不超過2500米;o周圍介質(zhì)溫度不超過 40℃及不低于-30℃;o當 20℃至-5℃時空氣相對濕度不大于85%;o周圍介質(zhì)中無足以腐蝕金屬和破壞絕緣及有爆炸危險的氣體及導電塵埃;o必須有防雨雪設(shè)備并不會充滿水蒸汽的地區(qū);在無劇烈或顛跛的地區(qū)。 2. 型號含義3. 主要技術(shù)參數(shù)型號 20℃時電阻值(歐)允許負載電流(A)發(fā)熱時間常數(shù)(秒)鑄鐵電阻元件總的每級型號數(shù)量12345ZX1-1/50.100.030.020.020.03215850ZT1-520ZX1-1/70.140.0420.0280.0280.042181820ZT1-720ZX1-1/100.200.060.040.040.06152635ZT1-1020ZX1-1/140.280.0340.0560.0560.084128555ZT1-1420ZX1-1/200.400.120.080.080.12107575ZT1-2020ZX1-1/280.560.1680.1120.1120.16891432ZT1-2820ZX1-1/400.800.240.160.160.2476540ZT1-4020ZX1-1/551.100.330.220.220.3364408ZT1-5520ZX1-1/801.600.480.320.320.4854490ZT1-8020ZX1-1/1102.20.660.440.440.6646445ZT1-11020ZX1-2/381.520.4560.3040.3040.2280.22855660ZT2-3840ZX1-2/542.160.6480.4320.4320.3240.32446585ZT2-5440ZX1-2/753.00.90.60.60.450.4539535ZT2-7540ZX1-2/1054.21.260.840.840.630.6333400ZT2-10540ZX1-2/1405.61.681.121.120.840.8429450ZT2-14040ZX1-2/2008.02.41.61.61.21.224382ZT2-20040ZX1-2/28011.23.362.242.241.681.6820ZT2-280404. 結(jié)構(gòu)特征 ZX1型電阻器系列由兩端帶有耳狀鑄鐵電阻元件套裝于絕緣的雙頭螺栓上,并緊固于兩端支架上而成,電阻元件之間根據(jù)要求以絕緣墊圈或銅墊圈分別隔離或聯(lián)結(jié)起來并以導線夾從規(guī)定的位置抽頭,以便用戶安裝引線。