15
8 Supplement
B 53-19 • For the signal cable of conductive probes
40490-EN-220516
8 Supplement
8.1 Technical data
Note for approved instruments
The technical data in the respective safety instructions are valid for approved instruments (e.g. with
Ex approval). These data can differ from the data listed herein, for example regarding the process
conditions or the voltage supply.
General data
Version
Device for carrier rail mounting
Housing material
Plastic (PPE)
Weight approx.
175 g (0.385 lbs)
Electrical characteristics
1)
Operating voltage
19 V AC/
Max. perm. current
1 A
R
i
per circuit
< 0.25 Ω
Response voltage
22 V AC/
Response time
< 10
-11
s
Discharge current
< 10 kA (8/20 µs)
Electromechanical data
Screw terminals for cable cross-section < 2.5 mm² (AWG 14)
Ambient conditions
Ambient temperature
-40 … +60 °C (-40 … +140 °F)
Storage and transport temperature
-40 … +70 °C (-40 … +158 °F)
Electrical protective measures
Protection rating
Ʋ unassembled
IP 20
Ʋ In Aluminium or plastic housing
IP 65
1)
Reference temperature 25 °C (77 °F).