Trip Curves - ABB eVM1 Installation And Service Instructions Manual

9. Installation
9.1. General
Correct installation is of prime importance.
The manufacturer's instructions must be
carefully studied and followed. It is good
practice to use gloves to handle the pieces
during installation.
The areas involved by the passage of power
conductors or conductors of auxiliary cir-
cuits must be protected against access of
any animals which might cause damage or
disservices.

9.2. Trip curves

The following graphs show the number of clos-
ing-opening cycles (No.) allowed, of the vacuum
interrupters, according to the breaking capacity
(Ia).
N.
Fig. 12a
N.
Fig. 12b
N.
Fig. 12c
Warning!
Caption
No.Number of closing-
opening cycles allowed
for the vacuum inter-
rupters.
Ia Breaking capacity of the
vacuum interrupters.
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