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QFS-2X configure
EF2 24...230 V configure
Ex-BK configure
T-20x.F 230V configure
QFS-2X
Stainless Steel Float Switch
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
EF2 24...230 V
Conductive electrodes with 24...230 V direct connection
The EF2 overfill protection (24...230 V AC/DC) is approved by "DIBt" as an overfill protection for liquids hazardous to water.
Properties
- connection : Polyesterdose (PO)
- Protection class : IP 65
- connection thread : G1"
- Union nut : auf Wunsch
Material
- Screw connection : PE, PVC, PPH, PTFE
- Sensor rods : Edelstahl (1.4571), Hastelloy C, Titan, Tantal
- Operating pressure : atmosphärisch
- Resistance value of line monitoring : 100 kΩ
- Sensitivity range : einstellbar 2…100 kΩ
Operating temperature
- PE : atmosphärisch
- PVC : atmosphärisch
- PPH : 90 °C
- PTFE : 100 °C
Power supply
- nominal voltage : 24…230 V AC/DC
- Power consumption : < 2 W
Output
- Output contact : 2 potentialfreie Wechselkontakte
- Switching voltage : max. 250 V AC /30 V DC
- Switching current : max. 5 A AC / 5 A DC
- Switching capacity : max. 750 VA / 90 W
- displays : Betriebs-LED Grün, Funktions-LED Rot
- Switching delay : ca. 0,5 s Anzug / Abfall
- CE marking : siehe Konformitätserklärung
Ex-BK
Bistable change-over contact
Magnetically actuated changeover switch,
which permanently changes its electrical switching state as a result of a magnetic system passing by, depending on the direction of movement.
Properties
- Protection class EN60529 : IP 65
- Operating temperature : –20...+120 °C
- Wire cross-section max. : 1,5mm²
- Switching point distance between two contacts : min. 40 mm
- Switching hysteresis : ca. 10-15 mm
- Dimensions : 80 mm x 75 mm x 57 mm
Material
- Housing : Aluminium
- Mounting clip : V2A
- Rivet : V2A
- Screw connection : M 20 x 1.5, V2A
Weight
- BK-390-50 : 137 g
- BK-390-63 / BK-380 : 140 g
Switching contact
- Switching voltage : 24...250 V AC/DC
- Switching current : 20 mA...6 A AC/DC
- Switching capacity(min.) : max. 500 VA, 60 W
- Switching capacity(max.) : min. 2 VA/W
T-20x.F 230V
Overfill protection for containers
Level sensors type T-20_.F... are
approved by the DIBt (German
Institute for Structural Engineering) as liquid level limit switches for the overcharge protection of containers for storing water-dangerous liquids.
Connection
- Box : Polyester
Properties
- Protection class EN60529 : IP 65
- connection thread : G 1", G 1¼", G 1½", G2", G3”
- Union nut : G 2¾", S 100x8
- Guide tube length : max. 6 m
- Operating temperature : max. 80°C
- Operating pressure : atmosphärisch
- media density : ρ ≥ 0,6 g/cm³ (je nach Schwimmertyp)
- Switching hysteresis : typ. 2 mm
- Switching point tolerance : max. 2 mm
Power supply
- nominal voltage : 24…230 V AC/DC
- Power consumption : ≤ 2 W
Output
- Output contact : 2 potentialfreie Wechselkontakte
- Switching voltage : max. 250 V AC / 30 V DC
- Switching current : max. 5 A AC / 5 A DC
- Switching capacity : max. 750 VA / 90 W
- displays : Betriebs-LED grün, Funktions-LED rot
- Switching delay : ca. 0,5 s Anzug/Abfall
- CE marking : siehe Konformitätserklärung
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