GE Industrial Solutions GERAPID 2508, 4008, 5008, 6008 WITH ARC CHUTE 1X2 - Manual (Page 11)

2011-03-14 S47183De rev.01 Design and specifications are subject to change without notice 11
3.2.14 Electronic control system
 Slot (4) SU control unit – see point 3.2.11
Fig. 19-3 SU control unit.
 (6) ST/UVR control unit – simple relay system. It controls
operation of shunt trip or zero voltage release.
Fig. 19-4a UVR control unit
Fig. 19-4b- ST control unit
Fig. 19-4c ST control card for external supply.