46
Before connection CM to ISM the compliance between ISM type (shown on ISM serial number plate - Figure 2)
and CM (applicability of CM for particular type of ISM are shown on CM designation label - Figure 5 and CM
packinig label - Figure 17) shall be confirmed.
Warning! If the CM label does not show the correct ISM type connection shall not be established. It can lead to
damage of the ISM. Contact your nearest Tavrida Electric partner for replacement.
Secondary cables between ISM and CM shall be installed according to the following instructions (Figure 74,
Figure 75, Figure 76). To achieve best possible protection against electromagnetic influences. The earthing point
3 shall be as close as possible to the CM. Unshielded parts of wires shall be not longer than 10 cm. Connec-
tions between the end of cable shields and ISM earthing points shall be not longer than 5 cm.
1
2
3
4
CM
HD ISM
Earthing point at CM and at HD ISM
Actuator cable
Lapp Ölflex classic 110 CY
2 x 1.5 mm² (or equivalent)1)
1)
The degree of coverage of the cable
shield shall be not less than 85 %.
1
4.2.5 Installation of secondary cables between ISM and CM
Figure 74
Secondary cables between HD ISM and CM
2
3
3
4
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...