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3
PRECAUTIONS FOR USE OF THE INVERTER
59
3 PRECAUTIONS FOR
USE OF THE
INVERTER
This chapter explains the precautions for use of this product.
Always read the instructions before using the equipment.
3.1 Electro-magnetic interference (EMI) and leakage currents ..60
3.2 Power supply harmonics .........................................................67
3.3 Installation of a reactor ............................................................70
3.4 Power-OFF and magnetic contactor (MC) ..............................71
3.5 Countermeasures against deterioration of the 400 V class
motor insulation........................................................................72
3.6 Checklist before starting operation ........................................73
3.7 Failsafe system which uses the inverter ................................76