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ABB SafePlus Installation, Service And Maintenance Instructions

ABB SafePlus
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3
Fig. 3 - SafePlus 14 moduli
Sistema SafeRing / SafePlus con interruttore di manovra-
sezionatore combinato con fusibili in accordo alla norma
IEC 60420.
In questa unità, il trasformatore è protetto mediante fusibili
limitatori di corrente di media tensione, abbinati a un interrut-
tore di manovra-sezionatore con comando ad accumulo di
energia e meccanismo a molla azionabile dal percussore del
fusibile.
SafeRing / SafePlus con interruttore in vuoto in accordo
alla norma IEC 60056
In questa unità, il trasformatore è protetto mediante un interrut-
tore in vuoto combinato con relè e trasformatori amperometrici.
I relè in dotazione sono basati sulla tecnologia digitale e non
richiedono l’uso di un alimentatore esterno.
Per ulteriori informazioni, consultare i cataloghi tecnici SafeRing
e SafePlus.
SafeRing / SafePlus system with switch-disconnector com-
bined with fuses according to the IEC 60420 Standard.
In this unit the transformer is protected by means of medium
voltage current-limiting fuses, combined with a switch-
disconnector with stored energy operating mechanism and
spring operated by the fuse striker.
SafeRing / SafePlus with vacuum circuit-breaker accord-
ing to the IEC 60056 Standard
In this unit the transformer is protected by means of a vacuum
circuit-breaker combined with relays and current transformers.
The relays provided are based on digital technology and do not
require the use of an external feeder.
For further information, please consult the SafeRing and
SafePlus technical catalogues.

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ABB SafePlus Specifications

General IconGeneral
Rated voltageUp to 24 kV
Rated currentUp to 1250 A
Insulation mediumSF6 gas
Rated Lightning Impulse Withstand Voltage125 kV
StandardsIEC 62271-200
DimensionsVaries by configuration
WeightVaries by configuration
Short-time withstand currentUp to 25 kA

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