Tuesday, January 17, 2012
FORMS OF SEPARATION
FORM 1 An enclosed assembly to provide protection against contact with internal parts, where no internal separation is provided.
FORM 2 As Form 1, but with separation of all functional units from one another
FORM 3 As Form 2, but with separation of all functional units from one another
FORM 4 As Form 3, but the incoming and outgoing terminals are also required to be separated from the Busbar system, and from one another