用于安裝在(zai)(zai)(zai)圓(yuan)形管道(dao)中(zhong)的(de)電(dian)(dian)加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)。 外(wai)殼由鍍鋅鋼(gang)板(ban)（所謂(wei)的(de) Aluzinc）制(zhi)成，電(dian)(dian)加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)由不銹鋼(gang)制(zhi)成。具有負公差（帶(dai)接頭）的(de)連(lian)接短管帶(dai)有 EPDM 墊圈(quan)(quan)。防護(hu)等級 IP44。 內置兩個過熱(re)(re)(re)保護(hu)恒(heng)溫(wen)(wen)器(qi)(qi)(qi)：閾(yu)值(zhi) 50°C 自動復位和閾(yu)值(zhi) 100°C 手動復位（通(tong)過壓力在(zai)(zai)(zai)蓋子上）。在(zai)(zai)(zai) 1 ~ 230V 和 2 ~ 400V 型號中(zhong)，恒(heng)溫(wen)(wen)器(qi)(qi)(qi)已插入一系(xi)列加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)電(dian)(dian)源（L1-N 或 L1-L2）。在(zai)(zai)(zai) 3~400V 型號中(zhong)，溫(wen)(wen)控器(qi)(qi)(qi)不接加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)電(dian)(dian)源線，熱(re)(re)(re)保護(hu)電(dian)(dian)路引至接線端子，須(xu)按照加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)圖(tu)連(lian)接到外(wai)部繼(ji)電(dian)(dian)器(qi)(qi)(qi)線圈(quan)(quan)供電(dian)(dian)電(dian)(dian)路。繼(ji)電(dian)(dian)器(qi)(qi)(qi)不包含在(zai)(zai)(zai)三相(xiang)加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)中(zhong)。安裝加(jia)(jia)熱(re)(re)(re)器(qi)(qi)(qi)時，請注意(yi)電(dian)(dian)箱的(de)位置 - 它不應相(xiang)對(dui)于安裝它的(de)管道(dao)的(de)軸線指向下方。

鍍鋅鋼板外殼

不銹鋼電加熱器

兩級過熱保護

防護等級 IP44