The contact protection relays are universal measuring transducers, which
input signals (resistance values) with "Namur" specification (DIN EN 60947).
Namur" specification (DIN EN 60947) into switching signals of floating
output contacts.
Protection class EN60529
clamp
:
IP20
Housing
:
IP40
Technical Data
Operating temperature
:
-20...+60 °C
Storage temperature
:
-30...+80 °C
Output contacts
:
potentialfrei
Switching voltage
:
min. 5 V, max. 250 V AC / 150 V DC
Switching current
:
min. 5 mA, max. 5 A AC / 5 A DC
Switching capacity
:
min. 300 mW, max.100 VA / max. 50 W
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
TK-312
Evaluation unit with 0/4... 20 mA current output
The TK-312 measuring transducer converts the resistance signal supplied from a continuous level sensor into a current signal proportionate to the level.
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, 2W
Dimensions housing type B
:
22,5 x 114,5 x 99
Dimensions housing type C
:
22,5 x 114,5 x 114
Input
Voltage
:
0...10 V
Resistance in three-wire circuit RG
:
0-4...10 kW
Output
Temperature influence tolerance
:
max. ± 0,6 % der Signalspanne
Current output
:
0/4... 20 mA bezogen auf die Masse des Eingangs
Voltage output
:
0/2... 10 V
Mounting
:
Tragschiene nach EN 50022
Weight
:
175 g
KST-20 VENTO CO2
KST-20 Vento with air quality monitoring function
Automatic, controlled ventilation and dehumidification of rooms with the aH-Controlled technology*
Properties
measuring range (Humidity)
:
0…100 % rF,
Measuring accuracy (humidity)
:
±2 %
measuring range (Temperature)
:
-40…+80 °C
Measuring accuracy (temperature)
:
±0,2 °C
Signal output
:
I2C
measuring range (CO2)
:
0…5.000 ppm
Adjustable limits
:
1.000…1.500 ppm
Power supply
:
230 V AC
Protection class
:
IP 65
Dimensions (LxBxH)
:
160 x 90 x 50 mm
Housing
:
hochwertiges ASA+PC (UL 94 V-0) für harte Beanspruchung, flammwidrig und selbstverlöschend
Measuring range
measuring range (Humidity)
:
0...100 % rF
Measuring accuracy (humidity)
:
± 2%
measuring range (Temperature)
:
-40...+80 °C
Measuring accuracy (temperature)
:
± 0,2 °C
measuring range (CO2)
:
0…5.000 ppm
Adjustable limits
:
1.000...1.500 ppm
ER-104
1-channel electrode relay
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
Weight
:
ca. 150g
ltdata.
:
Power supply
nominal voltage
:
siehe Typenschlüssel
AC nominal frequency
:
48...62 Hz
Power consumption
:
max. 1 W / VA
Input
Open circuit voltage
:
≤ 10 V AC
Short-circuit current
:
≤ 5 mA
Switching delay
:
siehe Typenschlüssel
Sensitivity range
:
siehe Typenschlüssel
Output
Contacts
:
potentialfreie Wechselkontakte
Switching voltage(min)
:
5 V
Switching voltage (max)
:
250 V AC / 150 V DC
Overvoltage category
:
EN 61010-1 Kategorie III
Switching current
Switching current
:
min. 5 mA
Switching current
:
max. cos φ =1 5 A
Switching current
:
max. cos φ = 0,7 3 A/AC
Switching current
:
max. cos φ = 1
SG2420
Supply unit SG2420 for flow sensor
The DSM-2420 sensor can only be operated in hazardous areas with the associated SG2420 power supply unit or appropriately designed, approved Zener barriers.
Properties
Housing
:
Kunststoff
Protection class
:
IP00
Ambient temperature
:
-20…+60°C
Supply voltage
:
24V DC +20% / -10%
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