User's Manual

Table Of Contents
Connecting
5.3 Wiring setups for hazardous area installations
SITRANS LR250 (PROFIBUS PA)
30 Operating Instructions, 01/2014, A5E32221386-AB
5.3.2
Intrinsically safe wiring
Device nameplate (ATEX/IECEx/INMETRO/C-TICK)
nameplate
The ATEX and INMETRO certificates listed on the nameplate can be downloaded from our
website:
Product page (http://www.siemens.com/LR250
)
Go to
Support > Approvals / Certificates.
The IECEx certificate listed on the nameplate can be viewed on the IECEx website. Go to:
IECEx (http://iecex.iec.ch/
)
Click on
Certified Equipment
and enter the certificate number
IECEx
SIR 05.0031X.
Device nameplate (FM/CSA)
nameplate
The FM/CSA Intrinsically Safe connection drawing number 23650675 can be downloaded from
our website at:
Product page (http://www.siemens.com/LR250
)
Go to
Support > Installation Drawings > Level Measurement > SITRANS LR250.
For wiring requirements: follow local regulations.
Approved dust-tight and water-tight conduit seals are required for outdoor NEMA 4X / type 4X
/ NEMA 6, IP67, IP68 locations.
Refer to Instructions specific to hazardous area installations (Page 34).