Intrinsically Safe Wiring; Intrinsically Safe Wiring (Fm/Csa) - Siemens SITRANS LR250 Operating Instructions Manual

Connecting
5.3 Wiring setups for hazardous area installation
5.3.2

Intrinsically safe wiring

Device nameplate (ATEX/IECEx/RCM)
①
The ATEX 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 09.0148X.
5.3.2.1

Intrinsically safe wiring (FM/CSA)

Device nameplate (FM/CSA)
①
The FM/CSA Intrinsically Safe connection drawing number A5E02358161 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 52).
48
ATEX certificate
Connection drawing number
SITRANS LR250 (FOUNDATION FIELDBUS)
Operating Instructions, 08/2014, A5E32221411-AC