TEL TAVRIDA ELECTRIC VCB15 LD, User Manual

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Coordination of minimum clearances
Based on electromagnetic influence and rated insulation voltage, the largest value clearance should be
selected.
4.1.5 LD ISM interlocks
The ISM provides the following interfaces for interlocking
(Figure 51):
• stub shafts at both sides with grooves and tapped
holes (Figure 51, details 1 and 3);
• two interlocking pins with tapped holes (Figure 51,
detail 2).
Detail 3
Detail 2
Detail 1
Detail 1
Detail 2
Detail 3
A = 19,5...50 mm; B = 22...50 mm; the length of A, B depends on the particular installation.
Figure 50
Interlocking interface of LD ISM
Figure 51
Example of connection between interlocking lever and synchronizing shaft