Electrode relays for conductive level detection for all areas in which conductive, liquid media are to be detected, controlled or monitored
Properties
details
:
folgen
QFS-1X
Float switch with reed switch (mercury-free)
Inside the float, one or two reed contacts with a movable permanent magnet are inserted as a switching element.
Properties
Protection class EN60529
:
IP 68
Cable entry
:
PVC , PTFE
Conductor cross-section
:
3 x 0,75 mm², PUR 3x0,5mm²
Switching system
:
Reed-Schalter
Contact
:
Wechsler, NO, NC (QFS-11 nur NO oder 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°
Float
Material Float
:
PE (Polyethylen)
ltdata.
:
ltdata.
:
ltdata.
:
Operating temperature
TPK(V), AEM
:
max. + 60 °C
PUR
:
max. + 70 °C
Silicone,Tefloncable with PE float
:
max. + 80 °C
Operating pressure
Cylinder
:
max. 1 bar
Sphere
:
max. 2 bar
T200.F
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
ltdata.Polyesterdose
:
ltdata.Aluminiumdose
:
ltdata.Polyethylenanschlusskopf
:
Cable
:
Plug
:
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 pressure
:
Max. 20 bar
media density
:
ρ ≥ 0,6 g/cm³
Switching hysteresis
:
typ. 2 mm
Switching point tolerance
:
max. 2 mm
Operating temperature
:
atmosphärisch
ltdata.BetriebstemperaturPP
:
max. 90°C
Resistance value
Operational readiness
:
ca. 1 kΩ
overfill alarm
:
ca. 12 kΩ
Switching time
:
ca. 20 ms
ltdata.
:
ER-214
Electrode Relays
Electrode relays for conductive level detection for all areas in which conductive, liquid media are to be detected, controlled or monitored
Properties
Protection class EN60529 clamp
:
IP 20
Protection class EN60529 front panel housing
:
IP 40
Operating temperature
:
–20...+60 °C
Storage temperature
:
–30...+80 °C
AC nominal frequency
:
48...62 Hz
Power consumption
:
max. 1 W / VA
Weight
:
ca. 150 g
Input
Open circuit voltage
:
≤ 10 V AC
Short-circuit current
:
≤ 5 mA
Output
Contacts
:
1 potentialfreie Wechselkontakte pro Kanal
Switching voltage
:
min. 5 V | max. 250 V AC | max. 150 V DC
Switching current
:
min. 5 mA | max. cosφ=1 3A | max. cosφ=0,7 1 A/AC | max. cosφ=1
Switching capacity
:
min. 300 mW | max. 750 VA / 150 W (30 V DC / 5 A) / 18 W (150 V DC / 0,12 A)
Working / Idle current
:
umschaltbar
overvoltage category
:
EN 61010-1 Kategorie III
EF2...5
Conductive Electrodes with general approval for constructions
Conductive electrodes type EF2...5 are approved by the “DIBt” (German Institute for Structural Engineering) as liquid level limit switches for the overfill protection of containers for storing water-endangering liquids
Properties
Protection class EN60529
:
IP 65
connection thread
:
G1" | G1¼" | G1½"
Union nut
:
G2¾" | S 100x8
Operating temperature PE / PVC
:
atmospheric
Operating temperature PPH
:
90°C
Operating temperature PTFE
:
100°C
Operating pressure
:
atmospheric
Resistance value of line monitoring
:
22 kΩ / 100 kΩ