21
NRS 1-51 - USA - Installation & Operating Manual -
850695-00
27
16
1
2
3
4
5
6
7
8
17 18 19 20 21 22 23 24
9
25
10
26
11 12
28
13
29
14
30
15
1
2
3
+
L
0,5A
(+) (-)
-
N
+
-
Electrical connection
Fig. 4
Wiring diagram of level switch NRS 1-51
L N
(+) (–)
8
9
0
a
0
b
8
Supply voltage
9
Signal output 1 / 2 for external alarm 24 V DC, 100 mA (semiconductor output)
0
Control circuit, input and output
a
Jumper, provided by customer
b
Level electrode NRG 1...-51
CGP
Central grounding point in control cabinet
Key
– +
CGP
9
– +
