User's Manual

Table Of Contents
Connecting
5.3 Wiring setups with Foundation Fieldbus for hazardous areas
SITRANS LR250 (FOUNDATION FIELDBUS)
Operating Instructions, 01/2014, A5E32221411-AB
35
5.3.3
Non-sparking wiring
The ATEX certificate listed on the nameplate can be downloaded from our website:
ATEX certificate
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.
5.3.4
Non-incendive wiring (US/Canada only)
FM/CSA Class 1, Div 2 connection drawing number 23650673 can be downloaded from our
website:
Product page (http://www.siemens.com/LR250
)
Go to
Support > Installation Drawings > Level Measurement > SITRAINS 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 36).