8 Technical Data *
Flow switch
8 Technical Data *
8.1 Technical data flow switch version VH... and VK...
Series
VHS... VH3...
make/
break
contact
VH3...
change-
over
contact
VKS... VK3... VKS...K VK3...K
Nominal pressure
PN 25**
PN 10**
PN 10**
PN 10
PN 10
Max. medium
temperature
(the medium should
never freeze)
110 °C
100 °C
20 °C (PN 10);
60 °C (PN 2.5)
Ambient temperature
(do not store at <4 °C)
80 °C,
100 °C (optional)
70 °C
60 °C
Max. switching current
1 A
0.2 A
1 A
Max. switching voltage
230 VAC, 48 VDC
30 VAC/DC
230 VAC, 48 VDC
Max. switching capacity
26 VA, 20 W
3 VA, 3 W
26 VA, 20 W
Protection class
II
I
II
Degree of protection
IP 65
Max. permanent
temperature load of the
cable
⎯
105 °C
80 °C
⎯
70 °C
105 °C
(optional)
⎯
70 °C
105 °C
(optional)
Connecting cable length
⎯
1.5 m
⎯
1.5 m
⎯
1.5 m
Cable cross-shaped
section
⎯
0.75 mm²
0.5 mm²
⎯
0.5 mm²
⎯
0.5 mm²
Tolerance of the
switching point ranges
±
15 %
*The technical data of special versions (customised versions) can deviate from the details in these instructions. Please
observe the details on the type plate.
**Reduced pressure level for devices with copper pipe section. Please observe the details on the type plate!
8.2 Technical data flow switch version VH...X
Series
VHS...X
VH3...X
Nominal pressure
PN 25
Max. medium temperature (the
medium should never freeze)
100 °C
Ambient temperature (do not store at
<4 °C)
70 °C
Max. switching current
1 A
Max. switching voltage
230 VAC, 48 VDC
Max. switching capacity
26 VA, 20 W
Protection class
II
I
Degree of protection
IP 65
Max. permanent temperature of the
cable
⎯
70 °C
Connecting cable length
⎯
1.5 m
Cable cross-shaped section
⎯
0.5 mm²
Tolerance of the switching point
ranges
±
15 %
Page 14 of 15
Applies for flow switch version VH...X
The ignition energy of the explosive atmosphere should not be below 60µJ. The
effective internal inductances and capacities are negligibly small.
Copyright © Jlso Tec Trade GmbH
JLSO Tec Trade GmbH
In den Birken 98
Fon:
+49 (0)
6369 230 9961
Fax:
+49 (0)
6369 230 9963
https://jlso-tec-trade.de
Daniel
H.
Meckel
D-66999
Hinterweidenthal