Operating Instructions
Busch-Wächter
®
Installation and electrical
connection
Operating Instructions | 1473-1-8134
— 9 —
6.2.3 Mounting
steps
Fig. 5:
Fixing to the wall
Connecting terminals
Connection Function
N Neutral
conductor
→
switched
phase?
L
Phase (230 V AC, 50 / 60 Hz
)
Grounding conductor connection
1. Mount the device on the wall.
-
Do not use countersunk head screws for mounting
to the wall.
-
Use screws with a head diameter of 6.5 mm - 8.5
mm.
2. Connect the power to the device, see section 6.3.
-
Observe the maximum admissible cable cross
sections.
N
L
∅6,5 mm - 8,5 mm
∅3,5 mm - 3,9 mm
m
m
5
,
4
1
.
x
a
m
²
m
m
5
,
2
-
5
,
1