K2CM
4
Connections
■
Voltage Reverse-phase Detection Models
Terminal Arrangement
•
Perform the external connections by referring to the examples given below.
•
Obtain the control power supply from the same phase as the power supply to
the magnet contactor coil.
•
Connect the phase advancing capacitors closer to the power supply than the
current transformer, as shown in the examples.
•
Tighten the terminal screws to a torque of 0.98 N·m max. (The appropriate
tightening torque is 0.49 to 0.67 N·m.)
•
Use of insulated solderless terminals is recommended for connection to the
Relay terminals (M3.5).
Note: 1.
In principle, the K2CM must be surface mounted with the terminal
block facing downward.
2.
Use M5 screws with spring washers and flat washers for mounting.
Tighten the screws to a torque of 1.77 N·m max. (The appropriate
tightening torque is 1.08 to 1.57 N·m.)
Manual Operation Low-voltage Circuit
Manual Operating Low-voltage Circuit (
Start)
Manual Operation Low-voltage Circuit (High-
capacity Motor)
Automatic Operation Low-voltage Circuit
Manual Operation High-voltage Circuit
Note:
Connect the phase advancing capacitor on the power supply
side of the Motor Protective Relay as shown in the above dia-
grams.
Ta
Tc T
b
U
V
W
O
u
tp
u
t contacts
(SPDT)
Control po
w
er
s
u
pply
200
V
AC
50/60Hz
R
S
T
Stop
Start
Phase
ad
v
ancing
capacitor
Alarm
bu
zzer
BZ
Magnet
contactor
R
U
A
1
S
V
B
2
T
W
C
3
Ta
Tc T
b
U
V
W
Motor protecti
v
e relay
Motor
M
R
S
T
BZ
R
U
A
1
S
V
B
2
T
W
C
3
Ta
Tc T
b
U
V
W
M
changeo
v
er
200
V
AC
50/60Hz
Stop
Start
Phase
ad
v
ancing
capacitor
Alarm
bu
zzer
Magnet
contactor
Motor protecti
v
e relay
R
S
T
C
u
rrent con
v
erter for
meas
u
ring de
v
ice
@
/5A
BZ
R
U
A
1
S
V
B
2
T
W
C
3
Ta
Tc T
b
U
V
W
Motor
M
200
V
AC
50/60Hz
Stop
Start
Phase ad
v
ancing
capacitor
Alarm
bu
zzer
Magnet
contactor
Motor protecti
v
e relay
R
S
T
A
u
tomatic
contact
BZ
R
U
A
1
S
V
B
2
T
W
C
3
Ta
Tc T
b
U
V
W
M
Motor
200
V
AC
50/60Hz
Phase ad
v
ancing
capacitor
Alarm
bu
zzer
Magnet
contactor
Motor protecti
v
e relay
3, 300
V
AC
50/60Hz
R
S
T
X/a
A
u
xiliary
relay
BZ
R
U
A
1
S
V
B
2
T
W
C
3
Ta
Tc T
b
U
V
W
High-
v
oltage
motor
M
X
Transformer
@
/200
V
High-tension
f
u
se
C
u
rrent con
v
erter for
meas
u
ring de
v
ice
@
/5A
Stop
Start
Phase ad
v
ancing
capacitor
Alarm
bu
zzer
High-
v
oltage
magnet contactor
Motor protecti
v
e relay