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
