Explanation Of Main Circuit Terminals - Mitsubishi Electric FR-S500E Instruction Manual

Single-phase 200V power input
NFB
Power
supply
REMARKS
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.
The output is three-phase 200V.
1.1.2

Explanation of main circuit terminals

(1) Main circuit
Terminal
Terminal Name
Symbol
L1, L2, L3 (*1) AC power input
U, V, W Inverter output
−
+,
Power factor
improving DC
+, P1
*1. When using single-phase power input, terminals are L1 and N.
MC
L
1
N
Connect to the commercial power supply.
Connect a three-phase squirrel-cage motor.
Connect the brake unit (BU), power regeneration
Brake unit
common converter (FR-CV) or high power factor
connection
converter (FR-HC).
Remove the jumper across terminals + - P1 and connect
the optional power factor improving DC reactor (FR-
reactor
BEL(-H)).
connection
Earth
For earthing the inverter chassis. Must be earthed.
Standard connection diagram and terminal specifications
U
V
W
Description
3
Motor
IM
Earth
1