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其工作原(yuan)理(li)是(shi)通過溫度(du)傳感器對環境(jing)溫度(du)自動(dong)進(jin)行采樣、即時監(jian)控(kong),當環境(jing)溫度(du)高于控(kong)制(zhi)(zhi)設定值時控(kong)制(zhi)(zhi)電路啟動(dong),可以(yi)設置(zhi)控(kong)制(zhi)(zhi)回差。
如溫度(du)(du)(du)還在升(sheng),當升(sheng)到(dao)設(she)(she)定的超限報(bao)警(jing)溫度(du)(du)(du)點(dian)時,啟動超限報(bao)警(jing)功(gong)能。當被(bei)控制的溫度(du)(du)(du)不能得到(dao)有效(xiao)的控制時,為了防(fang)止(zhi)設(she)(she)備的毀壞還可(ke)以通過(guo)跳(tiao)閘的功(gong)能來停止(zhi)設(she)(she)備繼續(xu)運行。
溫(wen)控器(qi)(qi)接線(xian)圖及(ji)原(yuan)理見圖.熱電偶探測溫(wen)度(du).當溫(wen)度(du)低於整定(ding)值時 "總" "低" 接線(xian)端內(nei)觸點閉(bi)合.接觸器(qi)(qi)通電接通加熱器(qi)(qi)電源.
反之當(dang)溫度升到整定(ding)值時 "總" "低" 接(jie)線端(duan)內觸點分開.接(jie)觸器(qi)通電斷開加熱器(qi)電源..
開關溫差 <7K
開(kai)關點容差 ±4K
工作溫(wen)度(du)范圍 -20 → +80°c
防護等級 IP20
電(dian)纜橫截面0.5→2.5mm平方(fang)的螺絲端子連接
符合(he)EN 60715標準(zhun)的35mm異型(xing)棒(bang)的卡扣緊固
設定范圍大
尺寸小,60x33x43mm
符合UL94 V-0的(de)塑料(liao)外殼,淺灰色(se)
可變安裝(zhuang)位置,易于(yu)安裝(zhuang)(用于(yu)35mm DIN導軌的(de)夾子(zi))
最大(da)開關容量:250Vac,10(2)A;120Vac 15(2)A;Vdc 30W
開關溫差7K(±4K)
恒溫雙金屬傳感器元(yuan)件(jian)
觸點(dian)電阻<10MΩ
工作(zuo)壽命>100,000次
EMC標準,符合EN 55014-1-2,EN 61000-3-2,EN 61000-3-3
連接2子,用于2.5mm2
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