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What is the maximum amount of contact blocks that can be mounted to a XB4 or XB5 non-illuminated and illuminated selector switch?

For a non illuminated selector switch you can mount (6) contact blocks total, 2 across, far left and right positions, and 3 deep.
You can mount a total of (5) contact blocks, mounting 3 across, with 2 deep left and right, and 1 deep in the center.
Or you can mount a total of (4) contact blocks, mounting 3 across, with 1 left and right, and 2 deep in the center.
On an illuminated selector switch you can mount (4) contact blocks total, 2 across and 2 deep mounted in the left and right positions.


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