Intrinsically Safe Wiring - Siemens SITRANS LR250 PROFIBUS PA Operating Instructions Manual

Connecting
5.3 Wiring setups for hazardous area installations
5.3.2

Intrinsically safe wiring

Device nameplate (ATEX/IECEx/INMETRO/C-TICK)
①
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)
①
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).
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nameplate
nameplate
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 01/2014, A5E32221386-AB