Siemens SITRANS LR500 Series - Technical Specifications; Power Supply Specifications; Temperature De-rating Tables

Technical speci󹪝cations
12
12.1 Power
General
Supply voltage 30 V DC
Signal range 4 to 20 mA
Startup current 3.6 mA
Ordinary Location, Nonincendive, Dust Ignition Proof, Dust Protection by Enclosure Ex 't'
Voltage 24 VDC Nom, 30 VDC Max
Current 4 to 20 mA
Instrinsically Safe Ex 'i'
U
i
/Vmax 30 V
I
i
/Imax 120 mA
P
i
0.8 W
C
i
2.2 nF
L
i
0
12.2 Temperature
Intr
insically safe
For gas application under the intrinsically safe protection Ex ia (EPL Ga / Category 1G / Class I, Div.
1), below is the ambient temperature de-rating table for various T codes and elevated process
temperatures.
T-Code Ambient Temperature Process Temperature
T6 -40 to +65 °C (-40 to +149 °F) -40 to +65 °C (-40 to +149 °F)
-40 to +45 °C (-40 to +113 °F) -40 to +160 °C (-40 to +320 °F)
-40 to +40 °C (-40 to +104 °F) -40 to +250 °C (-40 to +482 °F)
T4, T5 -40 to +80 °C (-40 to +176 °F) -40 to +80 °C (-40 to +176 °F)
-40 to +65 °C (-40 to +149 °F) -40 to +160 °C (-40 to +320 °F)
-40 to +55 °C (-40 to +131 °F) -40 to +250 °C (-40 to +482 °F)
SITRANS LR500 series with mA/HART
Operating Instructions, 03/2024, A5E51099898-AA 169