Mitsubishi Electric MELSEC-Q Series User Manual page 4

<Application of the UL/cUL standards>
Item
Applicable UL standard/cUL standard
*2 The master module with a serial number where the sixth digit is "4" or later complies with this standard.
*3 The master module with a serial number where the sixth digit is "2" or later complies with this standard.
2
QJ51AW12D2 LJ51AW12D2
*2
UL508 UL508
*2
CSA22.2 CSA22.2
Other programmable controller
(e.g. MELSEC-Q series)
*3
UL508
CSA22.2
*3
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