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
QFSK-2X
Stainless steel float switch combination
Float switch combinations QFSK for level monitoring & level control with maximum and minimum contact sensor.
Properties
Protection class EN60529
:
IP 68
Material Float
:
VA 1.4571
Material hose
:
Edelstahlwellschlauch (1.4404) mit Edelstahldrahtumflechtung (1.4301)
rod length
:
max. 5 m
Number of floats
:
bis 5
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°
Ex-protection
:
optional; IBExU10ATEX 1089
Operating pressure WFSK-25
:
max. 15 bar
Operating pressure QFSK-26
:
max. 6 bar
TK-315
Evaluation unit with 4 limit contacts (NO-contacts)
The TK-315 limit comparator can be used in conjunction with our TK-30... continuous level sensors with 0(4)...20 mA or 0...10 V output signal for level control/measurement.
Properties
Protection class EN60529 clamp
:
IP 20
Protection class EN60529 front panel housing
:
IP 40
Operating temperature
:
–20...+60 °C
nominal voltage
:
24... 230 V AC/DC
Power consumption
:
2 VA
Dimensions housing type B
:
22,5 x 114,5 x 99 mm
Dimensions housing type C
:
22,5 x 114,5 x 114 mm
Input
power
:
0/4...20 mA
Voltage
:
0...10 V
Resistance in three-wire circuit RG
:
0–4...10 kΩ
Output
Output contacts
:
4 Schließerkontakte
Switching voltage
:
max. 250 V AC
Switching current
:
max. 3 A
Switching capacity
:
max. 500 VA
Temperature influence tolerance
:
max. ± 0,6 % der Signalspanne
Mounting
:
Tragschiene nach EN 50022
Current output
:
4...20 mA bezogen auf die Masse des Eingangs
Display (%)
:
2-stellig, 7-Segment
Weight
:
175 g
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
:
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