Installation; General; Trip Curves - ABB VM1 Installation And Service Instructions Manual

5. Installation

5.1. 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 CiRCuitS MuSt be PRoteCted
againSt aCCeSS of any aniMalS whiCh
Might CauSe daMage oR diSSeRviCeS.

5.2. Trip curves

The following graphs show the number of closing-opening
cycles (No.) allowed, of the vacuum interrupters, according to
the breaking capacity (Ia).
14
waRning
n.
Caption
nr. Number of closing-opening cycles allowed for the vacuum interrupters.
ia Breaking capacity of the vacuum interrupters.
fig. 6