Siemens Sitrans LR250 User Manual

Connecting
5.3 Wiring setups for hazardous area installations
SITRANS LR250 (PROFIBUS PA)
Operating Instructions, 08/2014, A5E32221386-AC
49
5.3.2
Non-sparking wiring
①
ATEX certificate
The ATEX certificate listed on the nameplate can be downloaded from our website:
Product page (http://www.siemens.com/LR250)
Go to:
Support > Approvals / Certificates
.
● 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.
5.3.3
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 > 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 50).

Siemens Sitrans LR250 Specifications

General

Brand	Siemens
Model	Sitrans LR250
Category	Transmitter
Language	English