SE-K2EN Omron, SE-K2EN Datasheet - Page 7

• Manufacturer Part Number: SE-K2EN
• Description: RELAY MOTOR PROTECT 200/220/240V
• Manufacturer: Omron
• Series: SEr

Specifications of SE-K2EN

• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: SEK2EN

■ Connections
External Connections
SET-3
Current
Converter
Phase
advancing
capacitor
SET-3
Current
Converter
Phase
advancing
capacitor
Electro-
magnetic
contactor
Manual Operation Low-voltage Circuit
Magnet
contactor
Manual Operation Low-voltage Circuit
∆
Motor
Start)
changeover
R
R
M
S
M
S
T
T
Motor
SE series
Motor Protective
Relay
+
−
−
SE series
Motor
Protective
Relay
+
Stop
Stop
Start
Note: 1. When using the SE as a 2E (overload and open-phase) relay, it is not necessary to connect terminal 3 (W).
Start
2. When using a model with an automatic reset, the Motor Protective Relay may not operate if there is an open
3. Supply control power to the Motor Protective Relay from the power supply side of the contactor. The Motor
BZ
(C+) (C−)
(Ta) (Tc) (Tb) (W)
BZ
(C+) (C−)
(Ta) (Tc) (Tb) (W)
6
7
Also, always turn OFF the reverse-phase elements.
phase on the power supply side of the motor circuit.
Protective Relay may not operate at the set time if the power supply of the Motor Protective Relay is turned
ON at the same time that the motor starts.
6
7
5
8
Alarm
buzzer
5
8
Alarm
buzzer
(U)
1
4
(U)
4
1
(V)
3
2
(V)
3
2
Phase
advancing
capacitor
Current
transformer
Oil circuit
breaker
High-tension
motor
SET-3
Current
Converter
Phase
advancing
capacitor
High-tension Motor No-voltage Tripping Circuit
Electro-
magnetic
contactor
Automatic Operation Low-voltage Circuit
R
Motor
M
S
R
T
M
S
T
Potential
transformer
No-voltage
tripping coil
SE series
Motor Pro-
tective Relay
110 V
110 V
SE-K@1@N Motor
Protective Relay
−
+
Automatic
contact
SET-3
Current
Converter
BZ
(C+) (C−)
(Ta) (Tc) (Tb) (W)
6
7
−
+
5
8
Alarm
buzzer
(C+) (C−)
BZ
(Ta) (Tc) (Tb) (W)
6
7
(U)
4
1
5
8
(V)
Alarm
buzzer
3
2
(U)
4
1
(V)
3
2
SE
7