Endress+Hauser FTS20 Bedienungsanleitung Seite 23

Standards
Technical data FTS20 (AC/DC)
Measuring system
Switching element
Switching function
Switching voltage
Switching current
Switching angle
Process temperature range
Ingress protection
Process pressure
Density of liquid
Floating body material
Cable material
Minimum cable length between fixing
and floating body
Endress+Hauser
EN 60947-5-2:2007, EN 60079-0:2009, EN60079-11:2007
Comprising an FTS20 floating switch
Microswitch with switching ball
Change-over contact
AC: max. 250 V; DC: max. 150 V
Max. 3 A (AC), max. 1 A (DC)
Upper switching point: +25° ±6°
Lower switching point: +14° ±3°, measured to the horizontal
Dependent on cable material:
PVC and PUR: +5...+70 °C, CSM: –20...+85 °C
DIN EN 60529, IP68 (immension depth: 20 m / without temporal limit)
3 bar at 20 °C
0.8 g/cm
3
Polypropylene (PP)
PVC, CSM: standard length 5 m and 20 m, cross section 3 x 0.75 mm
PUR: standard length 5 m and 20 m, cross section 3 x 0.50 mm
PVC: 50 mm
PUR: 100 mm
CSM: 100 mm
E
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