RCD lokaci ne na gaba daya da aka yi amfani da shi a cikin ka'idoji da lambobin aiki, gami da Rccb, RCBO, da CBB. Wato, na'urorin da ke ba da kariya ta "kariya", wato, lokacin da ya kamata a kashe a halin yanzu, sai su ware "da'irar" da'ira. Contrary to RCM (Residual Current Monitor) which is used to “detect” residual current but does not provide residual current protection-see the notes to Article 411.1 and the product standards listed at the end of Article 722.531.3.101
RCCB, RCBO, kuma CBR ta samar da kariya ta hanyar ware wa wutar lantarki don hana kayan aikin yau da kullun waɗanda ke haifar da kayan don tafiya ko rufewa da hannu.
RCCB (en6008-1) dole ne a yi amfani da shi a hade tare da daban OPPD, wato, dole ne a yi amfani da Fuse da / ko MCB don kare shi daga overcurrent.
RCCB da RCBO sun daidaita halaye kuma an tsara su don a sake saita su da talakawa a cikin taron laifi.
CBR (EN60947-2) Breaker Breaker tare da aikin kariya na yanzu, ya dace da Babban Aikace-aikace na yanzu>> 100A.
CBR na iya zama halaye masu daidaitacce kuma ba za a iya sake saitawa da mutane talakawa a lokacin da laifin laifi ba.
Mataki na bakwai 722531.3.101 ya kuma nuna en62423; Cikakkiyar buƙatun ƙira da ake zartar da RCCB, RCBO da CBR don gano f ko b saura na yanzu.
RDC-DD (IEC62955) yana tsaye ga tsarin gano DC na yanzu *; Kalma na gaba ɗaya don jerin kayan aikin da aka tsara don gano Laifin DC a cikin Yanayi na 3, kuma yana tallafawa amfani da nau'in A ko nau'in F RCDs a cikin da'ira.
Alamar RDC-DD IEC 62955 yana tantance nau'ikan abubuwa biyu na asali, RDC-MD da RDC-Pd. Fahimtar nau'ikan daban-daban zasu tabbatar da cewa ba za ku sayi samfuran da ba za a yi amfani da su ba.
RDC-PD (na'urar kariya) ta haɗa da ganowa 6 na DC ta DOC da 30 ko kuma Forwar Kariya na yanzu a cikin na'ura. Lambar RDC-PD tana daɗaɗɗiya a cikin taron abin da ya faru a halin yanzu.