Siemens SENTRON PAC4220 - Page 57

(12) 1-phase measurement, 2 conductors, without voltage transformer, with 1 current
transf
ormer
Connection type 1P2W
/D
1Q
,/,/,/,/ ,/,/
/19

9

9

9
1
NONONO
)


)


1)
The fuses are only used for cable protection.
All commerciall
y available miniature circuit breakers up to 20A(C) can be used.
2)
Connection of supply voltage
3)
Install a short-circuit device. Protection against overvoltage when the secondary transformer
cir
cuit is open.
4)
Cir
cuit breaker
Figure4-12 Connection type 1P2W, without voltage transformer, with 1 current transformer
See also
Applying t
he supply voltage (Page58)
Connection
4.3Connection examples
PAC4220
Equipment Manual, L1V30827278B-01 55