Page 62 - Arc Guard System - TVOC-2

62 ABB ARC GUARD SYSTEM™ – TVOC-2 INSTALLATION AND MAINTENANCE GUIDE

8.3.2 Example 2

Example 2: Arc Guard system™ configured to trip different
trip contacts depending on where the arc occurs.

K4 K5 K6

Trip
Error
O
N 1 2 3 4 5 6 7 8

SA.1 SA.2 SA.3 SA.4
D4 D9

1 1
A 400/400 A A 400/400 A

6 A 250/250 A 6 A 250/250 A
10
10 A 250/250 A A 250/250 A
14 14
(K5) E2N A 250/160 A (K6) A 250/160 A
Q2 1600A 18 250/160 A Q3 E2N 18 250/160 A
A 1600A A
3 A V 22 A 250/160 A 22 A 250/160 A
D1 Cos
Wh
26 A 250/160 A 26 A 250/160 A

1175/1078 D 5 D 1175/1078
8

(K4)
Q1

08
Table 3 Example 2. Applications, Diagrams
Connection Description

SA...SA4 Switchgear

K4, K5, K6 Solid state tripping contacts

Q1, Q2 Circuit breaker

Q3 Bus couplar

D1...D9 Detectors