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QFS-5x | QFS-6x configure
EFV2 24V configure
NP-25X configure
QFS-5x | QFS-6x
Teflon float switch for all kinds of liquids up to 150°C
The float of the QFS-50 and QFS-60 float switches is made of Teflon. Inside the float, one or two reed contacts with a movable permanent magnet are inserted as a switching element.
Technical Data
- Material : PTFE (Teflon)
- connection cable : Silikon, Teflon
- Operating temperature : max. +150°C
- Operating pressure : 1 bar
- media density : ρ ³ 0,75 g/cm³
- Switching system : Reed-Schalter
- Contact : Wechsler, NO, NC
- Inductive/capacitive loads : Unbedingt Kontaktschutz vorsehen
- Ex-protection optional : Elektrische Daten siehe EG-Prüfbescheinigung IBExU10ATEX 1089
Reed contact
- Switching current : 1 mA ... 1 A
- Switching voltage : 24 ... 250 V AC/DC
- Switching capacity : Max. 1A, 60 VA / 60 W
- Switching hysteresis : ca. 100 mm
- Switching angle : ca. +20°...–20°
Namur circuit (1kΩ/12kQ)
- Switching current / switching voltage : nur zum Anschluss an KR-163... oder andere „Namur”-Relais
- Switching hysteresis : ca. 100 mm
- Switching angle : ca. +20°...–20°
EFV2 24V
adaptive conductive electrodes with and without 24 V direct connection
The conductive electrode EFV2 is approved by the "DIBt" as an overfill prevention device for liquids hazardous to water.
Connection
- Box : Polyesterdose (PO)
- Cable : Kabel (TPK)
- Plug : Stecker (ST)
Properties
- Protection class : IP 65
- connection thread : G2"
- Union nut : G2¾", S 100x8
- Material Screw connection : PE, PVC, PPH, PVDF
- Material Sensor rods : Edelstahl (1.4571), Hastelloy C, Titan, Tantal, Kohlestifte
- Operating temperature : PE, PVC: atmosphärisch PPH : 90 °C, PVDF: 100 °C
- Operating pressure : atmosphärisch
- Resistance value of line monitoring : 22 kΩ / 100 kΩ je nach Ausführung
Operating temperature
- PE : atmosphärisch
- PVC : atmosphärisch
- PPH : 90 °C
- PVDF : 100 °C
Technical specifications electronic part
- Operating temperature : –20...+85 °C
- Storage temperature : –30...+85 °C
- nominal voltage : 24...30 V DC
- Power consumption : max. 2 W
- Switching voltage : max. 230 V AC / V DC min. 5 V DC (CMOS-Relais)
- Switching current : max. 0,12 A AC / A DC min. <1 mA
- Switching capacity : max. 25 VA / W
- Sensitivity : 3k … 100 kΩ
NP-25X
Pneumatic level switch
Reliable & simple probe for sensing aggressive, sticky or heavily contaminated liquids, especially suitable as overflow protection.
Properties NP-250 | NP-252
- Connection head : PA
- Protection class EN60529 Connection head : IP 54
- connection thread : ab G½”
- Container connection flange : ab DN 25
- Pitot tube material : PVC
- Material Screw connection : PVC
- Material flange : PVC
- Hose Ø : 16 mm / 25 mm
- Operating temperature : max. +60 °C
- medium temperatur : max. +60 °C
- Contact : Wechsler
- Switching voltage silver : 250 V AC
- Switching voltage gold : 24 V AC
- Switching current silver : 6 A
- Switching current gold : 100 mA
Properties NP-251 | NP-253
- Connection head : PS
- Protection class EN60529 Connection head : IP 54
- connection thread : ab G½”
- Container connection flange : ab DN 25
- Pitot tube material : 1.4571
- Material Screw connection : 1.4571
- Material flange : 1.4571
- Hose Ø : 15 mm / 28 mm
- Operating temperature : max. +60 °C
- medium temperatur : max. +90 °C
- Contact : Wechsler
- Switching voltage silver : 250 VAC
- Switching voltage gold : 24 V AC
- Switching current silver : 6 A
- Switching current gold : 100 mA
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