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.
Switching current / switching voltage
:
nur zum Anschluss an KR-163... oder andere „Namur”-Relais
Switching hysteresis
:
ca. 100 mm
Switching angle
:
ca. +20°...–20°
T-200.L Ex
Leakage probes with general building authority approval for hazardous areas
The leakage probes T-200.L are approved by the "DIBt" on the basis of the "WasBauPVO" for the detection of leaking water-polluting liquids. The T-200.L Ex may be used as leakage probes in hazardous areas, zone 1 (category 2).
Connection
Box
:
Ex-Polyesterdose (PO)
Properties
Protection class
:
IP 65
Cable entry
:
PVDF-Verschraubung, PVC-Dichtung
Material Float
:
PE
Material leakage probe base
:
PE
Cable
:
TPK (PVC Basis)
Operating temperature
:
atmosphärisch
Operating pressure
:
atmosphärisch
media density
:
mit Schwimmer PE 52 ρ ≥ 1,05 g/cm³
Switching hysteresis
:
typ. 2 mm
Switching point tolerance
:
max. 2 mm
Resistance value
Operational readiness
:
ca. 1 kΩ
Leakage detection
:
ca. 12 kΩ
Switching time
:
ca. 20 ms
OAA-300
Alarm Indicator (Measuring Transducer) with general approval for construction
Our alarm indicators type OAA-300 are stand-alone signaling devices with optic and acoustic alarm indication.
Properties
Protection class EN60529
:
IP 65
Operating temperature
:
– 20…+60 °C
Storage temperature
:
– 30…+80 °C
Sensitivity
:
bei konduktiver Messung: 3, 10, 30, 100kΩ
Dimensions
:
170 x 190 x 85 mm
Weight
:
ca. 0,8 kg
Control circuits
Open circuit voltage
:
max. 10 V DC
Short-circuit current
:
max. 10 mA
Switching delay
:
ca. 0,5 s
Power supply
nominal voltage
:
230 V AC (optional 24, 115, 240 V AC 24 V DC
Nominal frequency
:
48...62 Hz
Power consumption
:
max. 3 W/VA
Output
Switching voltage
:
max. 250 V
Switching current
:
max. 3 A
Switching capacity
:
max. 500 VA | max. 50 W
Volume
:
75 dB
PVS-390
PVC float with magnet insert
for actuating monostable and bistable contacts
Variants
40
:
AußenØ 40 x 165 mm, für RohraußenØ 50 mm Gewicht ca. 145 g
50
:
AußenØ 50 x 125 mm, für RohraußenØ 63 mm Gewicht ca. 156 g
T206
Magnetic immersion probes made of PP or stainless steel (1.4571)
Magnetic immersion probes for use with highly aggressive liquid media for detecting level limits in containers
Properties
Number of contacts
:
1 x Schließer/Öffner durch 180°-Drehung des Schwimmers