Westermo RFI-xx - Manual (Page 7)

7 6641-22305
Dc
equipment protection level Dc (ePL Dc).
equipment for explosive dust atmospheres, having a "enhanced" level
of protection, which is not a source of ignition in normal
operation and which may have some additional protection to ensure
that it remains inactive as an ignition source in the case of
regular expected occurrences. ePL Dc are analogous to the ATeX
Categories (Category 3 D = ePL Dc).
SPECIAL
CONDITION
This unit has a special condition of use.
The special condition for use contains safety related information that
is necessary for the correct installation and safe use.
Ratings
Power (20 – 48) V DC; 1200 mA
Ambient temperature –40ºC ≤ T
amb
≤+70ºF (–40ºF ≤ T
amb
≤158ºF)
Ingress protection (IP) iP40
Maximum surface temperatur 135ºC (275ºF) (temperature class T4)