ABB Arc Guard System TVOC-2 - Page 80

Technical data
78
Example 2: Arc Guard system™ configuredto trip different trip contacts depending on where the arc occurs.
SA.1
Q2
E2N
1600A
Q3
E2N
1600A
A
V
Cos
Wh
3
1
A
400/400 A
6
A
250/250 A
10
A
250/250 A
14
A
250/160 A
18
A
250/160 A
22
A
250/160 A
26
A
250/160 A
SA.2
1175/1078
A
400/400 A
A
250/250 A
A
250/160 A
A
250/160 A
A
250/160 A
A
250/160 A
1
6
A
250/250 A
10
14
18
22
26
SA.3 SA.4
1175/1078
D1
D4
D5 D8
D9
(K4)
(K5)
(K6)
Q1
O
N
1
2 34567
8
K4
K6
K5
SA...SA4 Switchgear
K4, K5, K6 Solid state tripping
contacts
Q1, Q2 Circuit breaker
Q3 Bus couplar
D1...D9 Detectors