NES
page 14
NES K05/0922
11. Technical Data
Level Limit Switch
Housing:
polyamide or aluminium
Connections:
polypropylene, PTFE or
stainless steel 1.4571
G ½ (single electrode)
G 1 ½ (2-6-fold electrode)
Electrodes:
stainless steel 1.4571, hastelloy
or titanium
Max. length of
electrodes:
3000 mm
Electrode coating:
polyolefine, complete coating
PTFE complete or partial coating
No. of electrodes:
1…6
Max. temperature:
90 °C (polyolefine coating)
150 °C (PTFE coating)
Max. pressure:
6 bar (PTFE connection)
15 bar (polypropylene connection)
30 bar (stainless steel connection)
Min. conductivity:
20 µS/cm
Protection:
IP 65
Electrode relay
NE-104, NE-304
Power supply:
230, 110, 24 V
AC
± 15 %, 50 – 60 Hz
Power input:
NE-104: approximately 2 VA
NE-304: approximately 4 VA
Floating voltage:
approximately 10 VA
Short-circuit-current:
approximately 0.5 mA
Sensitivity:
adjustable 0 – 50 kΩ
Response time:
approximately 1 sec.
Output:
NE-104:
1 changeover contact
NE-304:
2 changeover contacts
Switch capacity:
max. 250 V
AC
, 5 A, 600 VA
Housing:
Macrolon
Protection:
housing: IP 40
Terminals: IP 20
Ambient temperature:
- 20 °C...+ 60 °C
Dimensions:
75 x 55 x 110 mm
Installation:
DIN rail mount or
screw fixation
Signalling:
LED red: monitoring state
