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-Serie
Electrode Relays
Electrode relays for conductive level detection for all areas in which conductive, liquid media are to be detected, controlled or monitored
Properties
details
:
folgen
ZDS-H
Precision pressure switch for high-pressure applications up to 2,000 bar
Can be used in oil, brake fluid, diesel, air and other gases.
With very good stability and overpressure resistance.
Properties
Pressure range
:
0...2.000 bar gestuft
supply
:
24 V DC
Output
:
Relais 60 V AC/1A
overload
:
1,5 x Messbereich
Med. connection
:
G 1/4 Zoll
electrical connection
:
Schraubklemme
feature
:
Tasten, LCD-Anz.
QFS-12
Two-Point Float-Switch
With the two-point float switch Type QFS-12 can be realized pump controls in liquid media on a simple way.
Properties
Protection class EN60529
:
IP68
Side installation
:
PVC-Stopfbuchsverschraubung G 2”
Installation from above
:
PVC-Stopfbuchsverschraubung G 2”
Operating pressure
:
max. 2 bar
Contact
:
Wechselkontakt
Switching voltage
:
4....250 V AC / DC
Switching current
:
1mA.....1A
Switching capacity
:
60W/VA
media density
:
ρ ≥ 0,9 g/cm³ bis ρ ≥ 0,8 g/cm³
Material Float
:
Polyethylen
Cable
TPK
:
PVC Basis
TPKV
:
PVC Basis verstärkt
PUR
:
Polyurethan
NEO
:
Neopren
SIL
:
Silikon
FEP
:
Teflon
AEM
:
Ethylen-Acrylat-Kautschuk
Operating temperature
TPK(V), NEO, AEM
:
max.+60 °C
PUR
:
max.+70 °C
FEP, SIL
:
max.+80 °C
TK-307-0
Stainless steel level sensor for Ex-Zone 0 (Cat.1)
T30... continuous magnetic immersible probes are used for quasi-acquisition of the filling level in containers with liquid media.
General data
Connection aluminium box
:
H30 x B50 x T45 mm
Connection polyester box
:
H56 x B80 x T75 mm
connection cable
:
1000 mm PUR blau
Protection class Socket
:
IP65
Material Sliding tube
:
VA 1.4571
Material of the angle fastening
:
VA 1.4408
Sliding tube length
:
max. 6000 mm
Operating temperature
:
max. 130 °C
Resolution
:
7,5 mm | 10 mm | 15 mm | 20 mm
Mounting
:
2 Schlauchschellen
Accessories
:
R/I-Wandler TK-101
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.