K2CU-F20A-C AC8-20A AC100 Omron, K2CU-F20A-C AC8-20A AC100 Datasheet - Page 8

• Manufacturer Part Number: K2CU-F20A-C AC8-20A AC100
• Description: HEATER FAULT DETECTOR
• Manufacturer: Omron
• Series: K2CUr

Specifications of K2CU-F20A-C AC8-20A AC100

• Current Rating: 8.0 ~ 20 A
• Mounting Type: Panel
• Operational Type: Large, Built in Transformer
• Voltage - Supply: 100 VAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Gate Input: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: K2CU-F20A-CAC8-20AAC100; K2CUF20ACAC820AAC100

In a Three-phase, Delta Network
Set the operating current to be 0.6 times the heater current.
Close the contactor with switches SW
that the alarm indicator remains off.
Turn off SW
the output relay operates.
Turn on SW
rent, and confirm that the alarm indicator goes off and the output
relay releases.
Turn off SW
the output relay operates.
In a Three-phase, Star Network
Set the operating current to be 0.9 times the heater current.
Close the contactor with switch SW
alarm indicator remains off.
Turn off SW
the output relay operates.
2
1
1
1
and confirm that the alarm indicator comes on, and that
set the operating current to be 0.9 times the heater cur-
and confirm that the alarm indicator comes on, and that
and confirm that the alarm indicator comes on, and that
K2CU-F
http://www.ia.omron.com/
S
S
1
2
S
S
SW
1
2
SW
1
2
Heater
Heater
1
1
turned on. Confirm that the
and SW
Contactor
SW
Contactor
K2CU-F
1
2
turned on. Confirm
In a Three-phase, V Network 1
Set the operating current to be 0.3 to 0.35 times the heater current.
Close the contactor with switch SW
alarm indicator remains off.
Turn off SW
the output relay operates.
In a Three-phase, V Network 2
Set the operating current to be 0.6 times the heater current (of the
phase connected between terminals 1 and 2, or the one passed
through the window of the window-type Current Transformer of the
heater burnout detector).
Close the contactor with switch SW
alarm indicator remains off.
Turn off SW
the output relay operates.
K2CU-P
SW
1
Heater
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1
1
and confirm that the alarm indicator comes on, and that
and confirm that the alarm indicator comes on, and that
Contactor
8
1
2
K2CU-P
K2CU-F
6
S
S
1
2
K2CU-F
SW
SW
Heater
1
1
Heater
1
1
turned on. Confirm that the
turned on. Confirm that the
Contactor
Contactor
S
S
1
2
K2CU-F
K2CU
8