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F Protection fuses. F Changeover relays.
The K4 relay is set for a
minimum voltage
disappearance time on the
busbar = 0.3s. It is possible to
adjust this time depending on
the network’s constraints.
F RPT voltage detection relays
(one per Functional Unit). The
reference voltage is taken on
the L2 phase, at the voltage
socket level.
10.3 Mechanical interlocking forbidding connection in parallel
F The 2 Functional Units are
supplied coupled together,
connected by mechanical
interlocking.
F Location of the passage of the
linkage rods between the 2
mechanical controls.
F Covers removed.
F The two C440M mechanical
control mechanisms are not
interchangeable between each
other.
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