Technical data
9
Note
Device specifications
Siemens makes every attempt to ensure the accuracy of these specifications but reserves the
right to change them at any time.
Note
Device-specific approvals
Always refer to nameplates on the device for device-specific approvals.
Note
Power
Nominal 24 V DC at maximum 550 Ohm. For other configurations, see Loop power in Technical
reference appendix of full operating instructions.
9.1 Power
Supply voltage 30 V DC maximum
Signal range 4 to 20 mA
Startup current 3.6 mA maximum
SITRANS Probe LU240 with Explosion protection Ex ia
U
i
(Input voltage) 30 V DC maximum
I
i
(Input current) 120 mA DC maximum
P
i
(Input power) 0.8 W
C
i
(Effective inner capacitance) 0 nF
L
i
(Effective inner inductance) 0 mH
SITRANS Probe LU240 with mA/HART
Compact Operating Instructions, 10/2018, A5E42673704-AB 49