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1.
Overview of the unit
1.2 Device configuration
• The CT of OMRON's dedicated KM series output type cannot be used with this product.
• Although a generic CT with the secondary side output of 1A or 5A can be connected, CTs dedicated for use with
KM-N2-LFK and KM-N3-FLK of 1A output type are available as listed on the table below. By using a CT listed
below in combination with a KM-N2-FLK, the CE standard is supported including the use of CT and power
monitors.
• A cable to connect the CT and power monitor is separately required.
Breaker
Operating power and
metered voltage
Power Monitor
Model KM-N2-FLK
For example:
PLC
Pulse output 1
Host device
RS-485
Modbus
CompoWay/F
Generic CT
Pulse output 2
Pulse output 3
Pulse output 4
Generic CT
Generic CT
Generic CT
For example:
PLC
For example:
PLC
For example:
PLC
Name
Model
Description
CT dedicated for 1A output type
KM-NCT-E100A
Rated 100A, output 1A
KM-NCT-E250A
Rated 250A, output 1A
KM-NCT-E500A
Rated 500A, output 1A