Ul Standards On Cabling; Cable Dimensioning And Selection - Honeywell SmartVFD HVAC MR4 User Manual

Honeywell
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4.1

UL standards on cabling

To meet the UL (Underwriters Laboratories) regulations, use a UL-approved copper cable with
a minimum heat-resistance of +140/167°F. Use Class 1 wire only.
The units are suitable for use on a circuit capable of delivering not more than 100,000 rms sym-
metrical amperes, 600V maximum.
4.1.1

Cable dimensioning and selection

Table 8 shows the minimum dimensions of the Cu/Al-cables and the corresponding fuse sizes.
Recommended fuse types are gG/gL.
These instructions apply only to cases with one motor and one cable connection from the drive
to the motor. In any other case, ask the factory for more information.
P
OWER CABLING