Main circuit terminals
40
INSTALLATION AND WIRING
NOTE
• Make sure the power cables are connected to the R/L1, S/L2, and T/L3. (Phase need not be matched.) Never connect the
power cable to the U, V, and W of the inverter. Doing so will damage the inverter.
• Connect the motor to U, V, and W. The phase need to be matched.
• When wiring the inverter main circuit conductor of the FR-A840-05470(220K) or higher,
tighten a nut from the right side of the conductor. When wiring two wires, place wires on
both sides of the conductor. (Refer to the drawing on the right.) For wiring, use bolts
(nuts) provided with the inverter.
• Handling of the wiring cover
(FR-A820-00630(11K) to 01250(22K), FR-A840-
00310(11K) to 00620(22K))
For the hook of the wiring cover, cut off the necessary
parts using a pair of needle-nose pliers etc.
NOTE
• Cut off the same number of lugs as wires. If
parts where no wire is put through have been
cut off (10 mm or more), protective structure
(JEM1030) becomes an open type (IP00).
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