7. Options
7-3
Table 7-2 Main circuit wiring device ratings and stand-alone option types (1) (4)
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(Note 1)
Device selection conditions
• The input current is calculated as follows: I = (kW)/(
η
M x
η
INV x COSø x Voltage x
√
3)
•The
η
M (motor efficiency) is 0.8 for 11kW or less, 0.85 for 15kW or more.
•The
η
INV (inverter efficiency) is 0.95.
• COSø (input power factor) is 0.9.
• The power supply voltage is 220V/440V.
(Note 2)
To comply with UL using the 400V Series, use a Class J fuse.
(Note 3)
Use MCCB with magnetic trip only
(Note 4)
EMC Filters are shown in section 7-5 (Electromagnetic Compliance, EMC)
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