Mitsubishi Electric FR-E540 K-EC Series Instruction Manual page 22

Single-phase 200V power input
NFB MC
Power supply
Note: 1. To ensure safety, connect the power input to the inverter via a magnetic
contactor and earth leakage circuit breaker or no-fuse breaker, and use the
magnetic contactor to switch power on-off.
2. The output is three-phase 200V.
(1) Description of the main circuit terminals
Symbol Terminal Name
L , L , L
1 2 3
AC power input
(Note)
U, V, W Inverter output
Brake resistor
+, PR
connection
Brake unit
+,
connection
Power factor
+, P1 improving DC
reactor connection
Earth (Ground)
Note: L , N terminals for single-phase power input.
1
INSTALLATION AND WIRING
U
L
1
N V
W
Description
Connect to the commercial power supply.
Keep these terminals unconnected when using the high
power factor converter.
Connect a three-phase squirrel-cage motor.
Connect the optional brake resistor across terminals + -
PR.
Connect the optional brake unit or high power factor
converter.
Disconnect the jumper from terminals + - P1 and connect
the optional power factor improving DC reactor.
For earthing the inverter chassis. Must be earthed.
14
Motor
IM
Earth(Ground)
2