TAVRIDA ELECTRIC ISM_LD Series, Application Manual

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25
3
Figures 41 and 42 show an example of a self-constructed trip unit (not included in the scope of supply).
L = 19.5...50 mm
B = 22...50 mm
The length of L and B
depends on the
particular project.
L
6
M6
9
3,5
23,
6
B
8
Figure 41
Connection between interlocking
lever and synchronizing shaft
Construction and connection variants of interlocking lever at the side stub shafts
(Figure 43, Figure 44)
ISM ope n ISM closed
Joining element
Nut M1 0
Bolt M6x20
Washer
A B
A
A
A
A
B B
B
B
A
Possible connection variants of the interlocking
levers (Figure 44).
Variant A:
One-side connection for single-phase-ISM
Variant A, B:
Two-side connection for three-phase-ISM
Figure 42
Figure 43
Position of interlocking lever as a function of ISM position
Figure 44