QFS-20 & QFS-21 float switches have stainless steel floats and one or two reed contacts.
Properties
Protection class EN60529
:
IP68
Material Float
:
VA 1.4571
Material hose
:
Edelstahlwellschlauch (1.4404) mit Edelstahldrahtumflechtung (1.4301)
Operating temperature
:
max. + 150 °C
media density
:
ρ ≥ 0,8g/cm³
Switching system
:
Reed-Schalter
Contact
:
Wechsler, NO, NC
Switching voltage
:
4...250 V AC/DC
Switching current
:
1 mA ...1 A
Switching capacity
:
max. 1A, 60 VA/60 W
Switching hysteresis
:
ca. 100 mm
Switching angle
:
ca. + 20° / – 20°
Operating pressure (QFS-20)
:
max. 15 bar
Operating pressure (QFS-21)
:
max. 6 bar
ELH 230 V
Hanging electrode as leakage probe 24...230 V AC/DC
The leakage probes of the type series ELH are approved by the "DIBt" for the monitoring of collecting chambers, collecting devices, inspection and filling shafts.
General data
Protection class
:
IP 68
Probe body material
:
PE, PVC, PPH, PVDF
Diameter probe body
:
15 mm, 25 mm, 40 mm
Operating temperature
:
atmosphärisch
Operating pressure
:
atmosphärisch
Resistance value of line monitoring
:
22 kΩ / 100 kΩ