Sunfar C300 Series - Basic Wiring Diagram

10 SUNFAR C300
C300 series of non-sensor current vector-control inverter manual
Recommending specification of commanded equipment is shown as following table.
Model Applied Motor（KW）
Wire spec
(Main circuit)
（mm
2
）
Air-break
（A）
Magnetic
contactor
（A）
C300-2S0002
0.25 2.5 10 6
C300-2S0004
0.4 2.5 10 6
C300-2S0007
0.75 4 16 12
C300-2S0015
1.5 4 20 18
C300-2S0022
2.2 6 32 18
C300-4T0004
0.4 2.5 10 6
C300-4T0007
0.75 2.5 10 6
C300-4T0015
1.5 2.5 16 12
C300-4T0022
2.2 4 16 12
C300-4T0037
3.7 4 20 18
3.3 Basic wiring
M
~
Motor
Ta
Tb
Tc
U
W
V
R
S
T
GND
AVO
GND
Fault alarm output
Vol tmet er （0~10V）
Three-phase
Power supply
E
X1
X2
X3
X4
GND
PLC input terminal
Fault Reset
VS
VC
CC
PB
External brake resistor
Open-circuit
Collector output
OC
GND
Earth
RST
×
×
×
Three-phase Breaker
P+
24V
Auxiliary DC power
0
~ 10 V Frequency set
GND
0 ~ 20mA Frequency set
FWD
REV
FWD Order
REV Order
E
E
E
E
E
Fig.3-3 C300 series of inverter basic wiring