Capacitor Banks - Siemens SENTRON 3VL System Manual

12.9

Capacitor banks

Selection of the circuit breaker for protecting and switching capacitors
This table takes account of only a few typical applications and combinations. The appropriate
selection must be made for all other applications.
Table 12- 37 Selection examples for capacitor protection circuits
Rated voltage
230 V
400 V
415 V
525 V
3VL molded-case circuit breakers
System Manual, 03/2009, 110 0110 - 02 DS 01
Q capacitor bank
c
[50 Hz] power [kvar]
15
30
25
50
100
20
40
25
50
Capacitor rated Upstream SENTRON VL circuit breaker
current
Type
x 1.5 = I of the
R
SENTRON VL [A]
56 VL160
113 VL160
54 VL160
108 VL160
216 VL250
42 VL160
84 VL160
42 VL160
84 VL160
Technical data
12.9 Capacitor banks
I [A] I [A]
R i
50-63 600
100-125 1000
50-63 600
100-125 1000
200-250 2000
40-50 600
80-100 1000
40-50 600
80-100 1000
173