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ABB PR521 - PR521 Unit Connections; Connector Information and Warnings; Terminal Connection Table

ABB PR521
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647008/002 - 2000/05 it-en - 39/40
Fig. 4
XK1
Descrizione
XK2
Descrizione
XK3
Descrizione
Description Description Description
1
Fase L1-1
1
Comando di apertura a distanza SO3 (a)
1
Sganciatore a smagnetizzazione (+)
Phase L1 Remote opening control SO3 (a) Demagnetisation release (+)
2
Fase L1-2
2
Comando di apertura a distanza SO3 (b)
2
Sganciatore a smagnetizzazione (-)
Phase L1-2 Remote opening control SO3 (b) Demagnetisation release (-)
3
Fase L2-1
3
Non utilizzato
Phase L2-1 Not used
4
Fase L2-2
4
Contatto bistabile K51/Y03 (a)
Phase L2-2 Bistable K51/Y03 contact (a)
5
Fase L3-1
5
Contatto bistabile K51/Y03 (b)
Phase L3-1 Bistable K51/Y03 contact (b)
6
Fase L3-2
6
Non utilizzato
Phase L3-2 Not used
7
Tor Ext-1
Ext. Tor.-1
8
Tor Ext-2
Ext. Tor.-2
12. PR521 unit connections
12. Connessioni dell'unità PR521

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