K2CM-1L Omron, K2CM-1L Datasheet - Page 4

• Manufacturer Part Number: K2CM-1L
• Description: RELAY MOTOR PROTECTIVE 8-26A
• Manufacturer: Omron
• Series: K2CMr

Specifications of K2CM-1L

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: K2CM1L

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
• Connect the phase advancing capacitors closer to the power supply than the
• Tighten the terminal screws to a torque of 0.98 N·m max. (The appropriate
• Use of insulated solderless terminals is recommended for connection to the
Note: 1. In principle, the K2CM must be surface mounted with the terminal
Manual Operation Low-voltage Circuit
Manual Operating Low-voltage Circuit (
Start)
the magnet contactor coil.
current transformer, as shown in the examples.
tightening torque is 0.49 to 0.67 N·m.)
Relay terminals (M3.5).
2. Use M5 screws with spring washers and flat washers for mounting.
Output contacts
Ta Tc Tb U
block facing downward.
Tighten the screws to a torque of 1.77 N·m max. (The appropriate
tightening torque is 1.08 to 1.57 N·m.)
(SPDT)
Phase
advancing
capacitor
Control power
Phase
advancing
capacitor
Magnet
contactor
Magnet
contactor
supply
V W
R
U
changeover
A
1
R
U
A
1
R
200 VAC
50/60Hz
R
S
V
B
2
Motor
200 VAC
50/60Hz
M
S
V
B
2
S
M
W
T
C
3
S
W
T
T
C
3
T
Alarm
buzzer
Alarm
buzzer
Stop
Start
BZ
Ta Tc Tb
Stop
Start
BZ
Ta Tc Tb
Motor protective relay
Motor protective relay
U
V
U
W
V
W
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.
Current converter for
measuring device @/5A
Current converter for
measuring device @/5A
Phase advancing
capacitor
High-voltage
magnet contactor
Phase advancing
capacitor
Phase advancing
capacitor
Magnet
contactor
Magnet
contactor
High-voltage
3, 300 VAC
R
R
200 VAC
50/60Hz
50/60Hz
R
U
A
1
motor
Motor
M
M
R
200 VAC
50/60Hz
S
S
Motor
S
V
B
2
M
S
T
T
W
High-tension
fuse
T
C
3
T
R
U
A
1
R
U
A
1
Transformer @/200V
S
V
B
2
S
V
B
Alarm
buzzer
2
Stop
W
T
C
W
C
3
Start
T
3
Automatic
contact
BZ
Ta Tc Tb
Alarm
buzzer
Alarm
buzzer
X/a
Motor protective relay
Auxiliary
relay
BZ
BZ
Ta Tc Tb
Ta Tc Tb
U
Start
Stop
Motor protective relay
Motor protective relay
V
X
W
U
U
V
V
W
W
K2CM
4