Madalpingelised aparaadikoosted. Osa 1, Üldreeglid = Low-voltage switchgear and controlgear assemblies. Part 1, General rules (IEC 61439-1:2011)2012 https://www.ester.ee/record=b2860114*est

Madalpingelised aparaadikoosted. Osa 2, Jõuaparaadikoosted = Low-voltage switchgear and controlgear assemblies. Part 2, Power switchgear and controlgear assemblies (IEC 61439-2:2011)2012 https://www.ester.ee/record=b2860121*est

Madalpingelised aparaadikoosted. Osa 3, Jaotuskilbid, mida tohivad käsitada tavaisikud = Low-voltage switchgear and controlgear assemblies. Part 3, Distribution boards intended to be operated by ordinary persons (DBO) (IEC 61439-3:2012)2013 https://www.ester.ee/record=b2940430*est

Madalpingelised lülitusaparaadid. Osa 2, Kaitselülitid = Low-voltage switchgear and controlgear. Part 2, Circuit-breakers (IEC 60947-2:2006/A1:2009)2012 https://www.ester.ee/record=b2889103*est