ABB SPAJ 160 C

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3I>>

3I/U>

I/U<

N-N

e.g.

SPAJ 140 C or

SPAJ 141 C

SPAJ 160 C

Fig.3. Protection of a capacitor bank connected as a double-star in an industrial network with

two- or three-phase current measurement. In this case a non-directional earth-fault protection is

used.

1I>>

1I/U>

I/U<

N-N

e.g.

SPAA 120 C or

SPAA 121 C

SPAJ 160 C

Fig.4. Protection of a one-phase bridge connected capacitor filter bank.

ABB SPAJ 160 C - Page 4