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
ER-107
Electrode Relays with general approval for constructions Z-65.13-405, Z-65.40-191
Electrode relays for conductive level detection with approved design as part of an overfill cut-out device (Z-65.13-405) / leakage protection (Z-65.40-191)
Properties
details
:
folgen
EP 24V
Plate Electrode as Leak Detector (conductive)
with general approval for constructions Z-65.40-191
Properties
Protection class EN60529
:
IP 68
Operating temperature
:
atmosphärisch
Operating pressure
:
atmosphärisch
Resistance value of line monitoring
:
22 kΩ / 100 kΩ
cable length
:
auf Wunsch
Material
Cable
:
TPK (PVC Basis)
Sensor rods
:
Edelstahl (1.4571) | Hastelloy B | Hastelloy C | Titan | Tantal | Glaskohlenstoff
Options
cable material
:
FEP (Teflon) | EX (PVC blau)
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