LV power air circuit-breakers
and switch-disconnectors
Masterpact Merlin Gerin
Masterpact circuit breakers are used to
protect and control low-voltage distribution
systems. They may be installed in main LV
switchboards (incoming units, main and
secondary outgoers). Masterpact is a
complete range offering a large selection of
performance levels:
c ratings from 800 to 6300 A AC,
from 1000 to 8000 A DC;
c breaking capacity from 40 to 150 kA rms;
c operational voltages 690 V AC,
1000 V DC.
