hager unimes H U-PW powerway - Forms of Internal Separation

Project planning and mounting
Forms of internal separation
66 U-PW powerway System Manual
04.03 Forms of internal separation
Forms of internal separation according to EN 61439
Form
Internal separation
Connections for conductors brought
in from the outside
Symbol
1
none
2a
between busbars and functional
units
not divided by the busbars
2b
divided by the busbars
3a
– between busbars and functional
units
– between all functional units
among each other
– of connections for conductors
brought in from the outside from
the functional units, but not from
those of other functional units
not divided by the busbars
3b
divided by the busbars
4a
– between busbars and all functio-
nal units
– between all functional units
among each other
– of the connections belonging to a
functional unit for conductors
brought in from the outside from
those of all other functional units
and from the busbars
in the same compartment as the
allocated functional unit
4b
not in the same compartment as the
allocated functional unit but
arranged in a separate, individual
space or compartment, protected by
a cover