User guide

2010-06-07 S47183e rev.03 Design and specifications are subject to change without notice 23
• Below, non-standard shunt trip with single winding, directly supplied from external DC voltage.
• Below, non-standard shunt trip with double winding, directly supplied from external DC voltage.
• Double winding shunt trip coil is available for external DC 110 V, DC 125 V and DC 220 V.
• User shall provide fused means for safe switching the voltage to the coil. See table 2a for coil parameters.
• Auxiliary contacts used for cutting off shunt trip coils are internal breaker’s components.
Fig. 27b Special versions of shunt trip with a single and double winding coils, directly supplied from external DC source.
-
X2:6 +
-X2:7 -
-
7
10 2 4 8 3 5 6
Breaker’s
aux.
2nd winding
-
X2:8 +
-X2:9 -
-
7
10 2 4 8 3 5 6
1st winding
-
X2:6 +
-X2:7 -
-
1
7
10 2 4 8 3 5 6
2
3
4
Breaker’s
aux.
Breaker’s
aux.