37
a) Interlocking shaft in unlatched position.
ISM is open
b) Interlocking shaft in unlatched position.
ISM is closed
e) Initial state: ISM is open and locked.
Turn interlocking shaft clockwise to
unlatched position
d) Interlocking shaft in “open anf locked“
position. ISM is open
c) Initial state. ISM is closed. Turn interlocking
shaft counterclockwise to “open and locked“
position (manual tripping)
Figure 57
HD ISM interlock operating principle
Summary of Contents for TAVRIDA ELECTRIC VCB15 LD
Page 1: ...VCB Vacuum Circuit Breaker 17 5kV 31 5kA 2000A 24kV 16kA 800A User Guide...
Page 3: ...1 Product description...
Page 7: ...2 Nameplates and seals...
Page 11: ...3 Product handling...
Page 23: ...4 Installation...
Page 50: ...5 Commissioning...
Page 57: ...6 Operation...
Page 61: ...7 Maintenance and troubleshooting...
Page 66: ...8 Disposal...
Page 68: ...Appendix 1 Product range...
Page 71: ...Appendix 2 Overall drawings...
Page 74: ...75 ISM15_LD_3 Weight 13 kg ISM15_LD_6 PCD 133 mm Weight 55 kg...
Page 81: ...82 ISM25_LD_2 1 PCD 150 mm Weight 35 kg ISM25_LD_2 2 PCD 150 mm Weight 37 kg...
Page 85: ...Appendix 3 Secondary schemes...
Page 86: ...87...
Page 87: ...88...
Page 88: ...89...
Page 89: ...90...
Page 90: ...91...
Page 91: ...92...
Page 92: ...93...