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
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
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.