Intrinsically Safe wiring (continued)
Device nameplate (FM/CSA)
SITRANS LR250
7MLxxxx-xxxxx-xxxx-
BOX 1
Serial No: GYZ / S1034567
Encl.: NEMA / TYPE 4X, 6, IP67, IP68
Amb.Temp.: – 40 °C to 80 °C
Power Rating: 24V
Nom., 30 V
Siemens Milltronics Process Instruments, Peterborough
Assembled in Canada with domestic and imported parts
The FM/CSA Intrinsically Safe connection drawing
number 23650653 can be downloaded from the product page of our website at:
www.siemens.com/LR250. Go to Support > Installation Drawings > Level Measurement >
SITRANS LR250.
• For power demands see
incendive
on page 25.
• 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.
Instructions specific to hazardous area installations
• Refer to
Note: Selecting a suitable PLC input module, power supply, or barrier requires knowledge
about Intrinsic Safety and the application. It is the responsibility of the installer to ensure that
the intrinsically safe installation complies with both the apparatus approval requirements and
the relevant national code of practice.
2. Non-sparking wiring
SITRANS LR250
7MLxxxx-xxxxx-xxxx
Serial No: GYZ / A1034567
Encl.: NEMA / TYPE 4X, 6, IP67, IP68
Amb.Temp.: – 40°C to 80°C
Power Rating: 24 V
Nom., 30 V
Siemens Milltronics Process Instruments, Peterborough
Assembled in Canada with domestic and imported parts
The ATEX certificate listed on the nameplate
can be downloaded from the product page of our website at: www.siemens.com/LR250.
Go to: Support > Approvals / Certificates.
• For power demands see
incendive
on page 25.
• For wiring requirements follow local regulations.
3. Non-incendive wiring (US/Canada only)
SITRANS LR250
7MLxxxx-xxxxx-xxxx-
BOX 1
Serial No: GYZ / S1034567
Encl.: NEMA / TYPE 4X, 6, IP67, IP68
Amb.Temp.: – 40 °C to 80 °C
Power Rating: 24V
Nom., 30 V
Siemens Milltronics Process Instruments, Peterborough
Assembled in Canada with domestic and imported parts
FM/CSA Class 1, Div 2 connection drawing number 23650673
can be downloaded from the product page of our website at:
www.siemens.com/LR250. Go to Support > Installation Drawings > Level Measurement >
SITRANS LR250.
• For power demands see
incendive
on page 25.
A5E31997170
Max., 4 - 20mA
HART
Curve 1: General Purpose, Intrinsically Safe, Non-sparking, Non-
Max., 4 – 20 mA
HART
Curve 1: General Purpose, Intrinsically Safe, Non-sparking, Non-
Max., 4 - 20mA
HART
Curve 1: General Purpose, Intrinsically Safe, Non-sparking, Non-
SITRANS LR250 (HART) – QUICK START MANUAL
I max = 120 mA
Class I, Div 1, Gr. A, B,C, D
Class II, Div 1, Gr. E, F, G
P max = 0.8 W
Class III T4
V max = 30 V
C i = 15 nF
IC: 267P-LR250
L i = 0.1 mH
FCC ID: NJA-LR250
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions 1)This device may not cause harmful interference and 2)This device must accept
any interference received, including interference that may cause undesired operation
on page 15.
II
3 G
Ex nA IIC T4 Gc
SIRA 09ATEX4153X
WARNING: Use Cable Rated > 100°C
IC: 267P-LR250
Class I, Div. 2,
FCC ID: NJA-LR250
Gr. A, B, C, D;
Temp. Code: T5
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions
1)This device may not cause harmful interference and
2)This device must accept any interference received,
including interference that may cause undesired operation
R
Exia per drawing: 23650653
0891
KCC-REM-S49
KCC-REM-S49
SITRANSLR
SITRANSLR
159134
Page EN-13