User Manual
EM303B General Purpose Inverter
23
3.2
Wiring Main Circuit Terminals
3.2.1
Main Circuit Terminal Block
The main circuit terminals of EM303B are located on the control PCBA:
3-phase AC input terminals: R,S,T
Grounding terminal:
DC bus terminal:
、
Wiring terminal for braking resistor: PB
Output terminals of inverter(For connecting to motor): U, V, W
See Figure 3-2 for main circuit terminal block.
PB
+
○
○
-
R
S
T
U
V
W
○
(a)
Main Circuit Terminal Block of EM303B-015 or below
T
S
R
W
V
U
(b) Main Circuit Terminal Block of EM303B -018
~
075
(c) Main Circuit Terminal Block of EM303B -090~200