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B-21
Installation
recommendations
It is possible to replace a
Masterpact (M08 to M32)
with a new
Masterpact (NW08
to NW32)
with the same power rating.
Substitution is possible for the following types of circuit breakers:
N1, H1, H2 for both fixed and drawout versions
b
b
L1 for drawout versions up to 2000 A.
b
b
Mounting diagram
Fixed version
Drawout version
DB117050
DB117049
: Masterpact NW
: Masterpact M
Fixing points are identical for Masterpact (M08 to M32) and Masterpact (NW08 to NW32),
except for the four-pole chassis.
Door cut-out
without an escutcheon, the cut-out is identical (270 x 325 mm)
b
b
with the former escutcheon, the cut-out is identical (270 x 325 mm)
b
b
with the new escutcheon, the cut-out is different.
b
b
Fixed version
Drawout version
DB117048
DB117047
Power connection
Note:
(1)
Without escutcheon.
(2)
With escutcheon.
References
X
and
Y
represent the symmetry planes for three-
pole devices.
Select a set of retrofit connectors to replace the standard connectors and avoid any
modifications to the busbars (see the retrofit section in “orders and quotations”).
Substitution kit
Fixed / drawout devices 800 to 3200 A
version: 8.3
207E3300.indd