Omron NA5-15*101 series Startup Manual page 20

Regulations and Standards
Conformance to KC Standards
Observe the following precaution if you use NA-series PTs in Korea.
Class A Device (Broadcasting Communications Device for Business Use)
This device obtained EMC registration for office use (Class A), and it is intended to be used in places
other than homes. Sellers and/or users need to take note of this.
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NA-series Programmable Terminal Startup Guide (V120)