Table of Contents
2.5
Main circuit terminals
2.5.1
Details on the main circuit terminals
Terminal symbol
Terminal name
*1
AC power input
R/L1, S/L2, T/L3
U, V, W
Inverter output
P/+, P1
DC reactor connection for
Earth (ground)
*1
Terminal T/L3 is not available for the single-phase power input model.
2.5.2
Main circuit terminal layout and wiring to power
supply and motor
When passing wiring through the knockout holes on the wiring cover 2, separate the control circuit wiring from the main circuit
wiring to reduce the influence of noise. Use the rectangular hole for the control circuit wiring and the round holes for the main
circuit wiring.
(Example) FR-E820-0011(0.2K) bottom view
Round knockout holes
Connect these terminals to the commercial power supply.
Connect these terminals to a three-phase squirrel cage motor or a PM
motor.
Remove the jumper across terminals P/+ and P1, and connect a DC
reactor.
When a DC reactor is not connected, the jumper across terminals P/+
and P1 should not be removed.
For earthing (grounding) the inverter chassis. Be sure to earth (ground)
the inverter.
Rectangular knockout hole
Rectangular knockout hole
Round knockout holes
Terminal function description
Refer to
page
—
—
61
49
10
41
2. Installation and Wiring
2.5 Main circuit terminals
1
2
3
4
5
6
7
8
9
Table of Contents
