AKO-55424 សៀវភៅណែនាំអំពីការរុញប៊ូតុងរោទិ៍សម្រាប់មនុស្សជាប់គាំង
AKO-55424 Trapped Person Alarm Push Button Specifications Power supply......................................15 Vdc ± 3 Vdc Working ambient temperature............-50 ºC to 50 ºC Storage ambient temperature .............-50 ºC to 70 ºC Protection degree ..............................................IP 65 Installation category .................................................II s/ EN 61010-1 Pollution degree....................................II…