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Beschikbare talen
6. Voltage-free alarm contact
6. Voltage-free alarm contact
HF.EA.17447 / HF.EA.17448 / HF.EA.24139
The supplied three-pin plug is needed for using the voltage-free alarm contact. Only the two external terminals are
The supplied three-pin plug is needed for using the voltage-free alarm contact. Only the two external terminals are
connected to the plug! Internally a contact is switched (closed) as soon as the circulating air filter attachment
connected to the plug! Internally a break contact is switched (opened) as soon as the circulating air filter attachment
reaches the prescribed volumetric flow.
reaches the prescribed volumetric flow.
Thus signalling is on hand in case of extraction air trouble or when your circulating air filter attachment is discon-
Thus signalling is on hand in case of extraction air trouble or when your circulating air filter attachment is disconnected
nected from the mains.
from the mains.
Example
Internal voltage-free
switch contact
The voltage-free alarm contact is not to be used for operating large loads. It is only envisaged for signal-
The voltage-free alarm contact is not to be used for operating large loads. It is only envisaged for signalling a
ling a malfunction by means of a signalling lamp, horn and the like!
malfunction by means of a signalling lamp, horn and the like!
7. Technical data
7. Technical data
The figures in the table are provided as a guide, and are not to be used in the sense of assured properties.
The figures in the table are provided as a guide, and are not to be used in the sense of assured properties.
HF.EA.8677 / HF.EA.11442 / HF.EA.11570 / HF.EA.15575 / HF.EA.8473 / HF.EA.17447 / HF.EA.17448
HF.EA.8677/ HF.EA.11442 / HF.EA.11570 / HF.EA.15575 / HF.EA.8473 / HF.EA.17447 / HF.EA.17448
HF.EA.23866 / HF.EA.24139
Dimensions W x D x H (mm)
Dimensons W x D x H (mm)
Nominaql rating
Nominal rating
Nominal voltage
Nominal voltage
Frequency
Frequency
Power consumption
Power consumption
Noise level
Noise level
Revolution Rpm
Revolution Rpm
Weight approx.
Weight approx.
Max. Length of extraction air duct by customer (including max. 2 pipe elbows)
Max. Length of extraction air duct by customer (including max. 2 pipe elbows)
Load capacity of the voltage-free switch contact
Maximum switching-on current AC
Load capacity of the voltage-free switch contact
Maximum switching-on current DC
Maximum switching-on current AC
Maximum permanent current
Maximum switching-on current DC
Diagramm
Maximum permanent current
HF.EA.8677/ HF.EA.11442 / HF.EA.11570 / HF.EA.15575 / HF.EA.8473 / HF.EA.17447 / HF.EA.17448 /
HF.EA.23866 / HF.EA.24139
Diagramm
HF.EA.8677/ HF.EA.11442 / HF.EA.11570 / HF.EA.15575 / HF.EA.8473 / HF.EA.17447 / HF.EA.17448
Pressure
drop Pa
Pressure
drop Pa
Air flow m
Voltage-free alarm contact
/h
3
Air fl ow m
Customer
200 x 400 x 200
200 x 400 x 200
35 Watt
35 Watt
230 V
230 V
50 Hz
50 Hz
0,15 A
0,15 A
3m/35 dB (A)
3m/35 dB (A)
2450
2450
ca. 7 kg
7 kg
15 m
15 m
230 V ~
48 V
230 V ~
1A
48 V
1 A
/h
3
5
5
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