Toshiba TOSNUC 92 Connection Manual page 63

Conductor sectional area
Style
Maximum cable length
Notes: Shown above is the maximum cable length for the cables recommended by
us, and not the guaranteed value for other cables in general.
< Wire specification >
0.15 sq. ~ 0.5 sq.
Twisted pair shield
Maximum cable length 30 m (See Note.)
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STE 73843