Flowserve NRS 1-50 For TWO Electrodes - Manual (Page 15)

5
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
NRG 1...-50
NRG 16-36
M 0,5A
NRG 1...-50
1
2 1
1 2
4
2 3
3
3
Electrical Connection
– continued –
Fig. 7
Wiring diagram for level switch NRS 1-50
+ – + –
L N
(+) (–)
8
9 0 9
a
0
b b
c c
8 Mains supply
9 Signal output  /  for external alarm 4-30 V AC/DC 00 mA
0 Safety circuit, input and output
a
Wire link, on site, when used as water level limiter acc. to TRD, EN 95 / EN 953
b
Stand-by input  / , 4 V DC, for connecting the logic unit SRL 6-50
c Level electrode NRG ...-50, NRG ...- or NRG 6-36
Key
M 0.5A