
BCU 480 · Edition 03.16l
14
L1 (L1)
N (L2)
PE
1 2
PE
N1
N1
s
s1
V1 V2
C
N
S
M
L
µC
l
N1
v1
c2
88
c1
N1
v2
V1
V2
F1
230V~
max. 2 A,
253 V
I
Z
30 31 32 33 34 35 36 37
DI
50 51
l
38
F3
(BCU 480..C)
40 41 42 43 44 45 46 47
UVS
1
2
3
P
5
6
7 8
11
9 10
12 13 14 15
25 26 27
18 19 20
22
24
PE
7 8 9 10
24 25
PE
7
8
9
24
Test
O
I
BCU 480
ϑ
1
ϑ
2
A
23
2
1
16 17
28 29
21
3 4
Function
3 .1 .2 BCU 480
For cable selection and wiring, see page 57 (Project
planning information).
For the explanation of symbols, see page 78 (Leg-