A9V39263 shine ƙarar igiya 2 akan saura na'urar yanzu (RCD) daga kewayon Schneider Electric's Acti9 Vigi iC60, wanda aka tsara don sakawa tare da Acti9 iC60 ko Reflex iC60 ƙaramar da'ira don samar da cikakkiyar kariya ta da'ira ta ƙarshe. An ƙididdige shi a 63 A tare da babban hankali na 1000 mA da zaɓi na zaɓi (jinkirin lokaci) halayen ɓata lokaci, wannan rukunin an yi niyya ne musamman don kariyar wuta da aikace-aikacen nuna wariya inda ake buƙatar tsarin daidaitawa da aka ƙididdige lokaci - zaɓin jinkirta yana tabbatar da cewa RCDs na ƙasa sun fara tafiya, barin wannan na'urar don yin aiki kawai don ɓata lokaci mai mahimmanci, rage rikice-rikice. Nau'insa na A‑SI (Super Immunised) yana ba da kariya ta musamman daga tafiye-tafiye maras so sakamakon rikice-rikice na wucin gadi, kamar saurin walƙiya, ayyukan sauya sheka, ko gurɓataccen muhalli da gurɓataccen muhalli, yana mai da shi manufa don ƙaƙƙarfan shigarwar masana'antu da na waje. Yin aiki a 230-415 V AC (50/60 Hz) kuma mai yarda da IEC 61009-1 da EN 61009-1, na'urar tana amfani da ganowar saura na halin yanzu mai ƙarfin lantarki, yana ba da garantin ingantaccen aiki koda a cikin ƙasƙantar yanayin wadata. A matsayin tsarin ƙara-kan, yana zazzagewa kan dogo na DIN kuma yana haɗa kai tsaye zuwa MCB mai alaƙa ta hanyar ramin-nau'in dunƙule tashoshi, sauƙaƙe taron kwamitin. Naúrar tana ba da kariya ta IP20 a tashoshi da IP40 lokacin da aka ajiye shi a cikin wani shinge na zamani, tare da kewayon zafin aiki mai faɗi daga -25 °C zuwa +60 °C. Karamin girmansa na 72 mm (filaye na zamani 4) da ƙananan nauyi na 0.165 kg yana sauƙaƙa haɗawa cikin allunan rarraba, yayin da haɗin gwiwar tafiye-tafiye yana ba da siginar kuskuren gida. A muhalli, na'urar an gina ta ne da sassa na filastik marasa halogen, ba ta da PVC, kuma tana da jimillar sawun carbon ɗin rayuwa na 5 kg CO₂ eq., kodayake yuwuwar sake yin amfani da shi shine 28%.
