Masterpact™ MP ci rcu it breaker
accessories
MERLIN GERIN
Two or three MasterpactTM can be
mechanically interlocked by means of rods
or cables.
This accessory is mountable on the right
side of the breaker.
This adaptation can be made on site without
modifying the breaker.
mechanical interlock
between
2
or
3
stacked
breakers
This interlocking is obtained by the
adjunction of :
•
one adaptation block
•
one or two adjustable and unadjustable
rods.
•
maximum distance between the 2 fixing
surfaces of the devices : 35" (890 mm)
mechanical interlocks
between
2
side by side
breakers
This interlocking is obtained by the
adjunction of :
•
one adaptation block
•
one set of adjustable cables with a
maximum length of 78" (2 meters).
interlocking rods
Possible mounting arrangements
between 3 stacked breakers
T T f
)--------:)--------:)
1 use, power supplied by :
•
either 2 transformers N 1 and N2 which are
connected in parallel
•
or one stand-by source G
N1
N 2
...........
c
A.A.I'w
____
2 uses independently powered supply by 2
transfonners N 1 and N2, stand-by through a
circuit breaker or a connection tie switch,
forbidding the connection in parallel of the 2
current transformers.
N1
N 2
N 3
T T T
)-------}-------)
1
uses power supplied by 1 group of
transfonners N
1,
N2 or N3 or of generators,
forbidding any connection in parallel.
19
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