Electrical connection
NAR300 system for high temperature
34
Hauser
6.2
NRR262-2/4/A/B/C wiring
N.C COM N.O
L
N
FG
+
-
2, 3
2
g
h
3
1
4
FG
H-
H+
TB1
TB2
FRAME
GUARD PROBE
a
b
c
d
e
1
i
+
-
GND
h
1
A
B
C
B
C
A0039908
22
Wiring of Ex [ia] transmitter NRR262-2/A/B/C
A
Float sensor NAR300-x6xxxx (sensor I/F Ex box is also included in the code)
B
Sensor I/F Ex box
C
Ex [ia] transmitter NRR262
a
Green/Thread (M3) (see 1 below)
b
Output to NRR262/Thread (M3)
c
Yellow/Thread (M3)
d
Black/Thread (M3)
e
White/Thread (M3)
f
Input from sensor I/F Ex box/Thread (M3)
g
90 to 250 V
AC
50/60 Hz/Thread (M3)
h
Alarm output/Thread (M3)
i
Check monitor output/Thread (M3)
