Samsung CNH NDB Series Technical Data Book page 13

1. Specification
Wind-Free 4Way Cassette (600x600)
NOTE
Specification may be subject to change without prior notice.
Performances are based on the following test conditions.
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Select wire size based on the value of MCA
Sound pressure level is obtained in an anechoic room.
- Sound pressure level is a relative value, depending on the distance and acoustic environment.
- Sound pressure level may differ depending on operation condition.
- dBA = A-weighted sound pressure level Reference acoustic pressure 0 dB = 20uPa
Sound power level is an absolute value that a sound source generates.
- dBA = A-weighted sound power level
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These products contain R410A which is fluorinated greenhouse gas.