Fuses
Diazed Fuses
DIAZED fuses are used to prevent short circuit in home, business and building electrical installations. When installed, they usually enable users to handle them removing the risk of accidental contact. They have usage category gL/gG and three sizes (DI, DII and DIII) to support rated current from 2 to 100A.
Neozed Fuses
NEOZED fuses are undersized and are applied to prevent short circuit in common home, business and industrial installations. The way they were built ensures full accidental contact protection when assembling or changing fuses.
NH Fuses
NH fuses applies to short circuit overcurrent and overload protection in industrial electrical installations. They are current limiters with high breaking capacity from 120kA up to 500VCA.
Source:
http://www.siemens.com.br/templates/imprensa_mais.aspx?channel=2040&press_id=14483