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Technical data and dimensions
15.2 Dimensions
Voltage supply
Operating voltage U
B
at 4 mA
12 … 35 V DC
at 20 mA
9 … 35 V DC
Operating voltage U
B
-
illuminated display and
adjustment unit
15 … 35 V DC
Reverse voltage protection
Integrated
Overvoltage protection
Dielectric strength against
metallic mounting parts
> 10 kV
Overvoltage resistance (test
impulse voltages 1.2/50 µs at
42 Ω)
> 1000 V
Additional overvoltage
arrester
Due to the floating structure of the electronics and comprehensive
insulation measures generally not necessary.
Electrical protective measures
Protection rating
IP66/IP67 acc. to IEC 60529Type 4X acc. to UL 50
Altitude above sea level
5000 m (16404 ft)
Protection class
III
Pollution degree
4
15.2
Dimensions
1
Ventilation/pressure compensation
2
Housing lid
3
Process fitting
Figure 15.1
Dimensions SITRANS LR150
SITRANS LR150
Operating Instructions, 08/2020,
A5E50352155
95