Endress+Hauser FTS 20 Mode D'emploi page 21

Technical data FTS 20 (AC/DC) types: 52010122, 52010123, 52010124
Measuring system
Switching element
Switching function
Switching voltage
Switching current
Switching angle
Ambient temperature
Ambient pressure
Density of floating switch
Floating body material
Cable material
Areas of application and mini-
mum cable length between
fixing and floating body
Endress + Hauser
Comprising an FTS 20 floating switch
Microswitch with switching ball
Change-over contact
AC: max. 250 V; DC: max. 150 V
Max. 3 (1) A
Upper switching point: +25° ±6°
Lower switching point: +14° ±3°, measured to the horizontal
Dependent on cable material; PVC: +5 ... +70 °C, PUR and CSM: -20 ... +85 °C
≤ 3 bar
≥ 0.8 g/cm
3
Polypropylene (PP)
PVC, PUR, CSM, standard length 5 m, cross section 3 x 0.75 mm
PVC: ≥ 50 mm, suitable for water, dirty water, slightly aggressive media
PUR: ≥ 100 mm, suitable for fuels, heating oils, liquids containing oil
CSM: ≥ 100 mm, suitable for acids and alkalis
2
E
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