Siemens LGK16 Series, Manual

Page: 22 / 28

22/28
Building Technologies Division CC1N7785en
20.11.2017
Connection diagrams
(for circuitry variants, see
Connection examples
)
1
AS
br1
ar1
I XV
ar2
ION
7 6 12 4
W
R
LP
5 13 14
N
d1
d2
22
23 24
fr1
IV
XIII
XII
AR
br2
L1
EK1
BR
3 21 2 16
AL
N
H
EK2
1(3)
17 19
Z
ZBV
20
9 11
8
LK
SA
a z m
M
E
A
M
a b b
a
a b
b a
a b
b
a
a b
NTC
fr2
V
a b
XIV
X
II
b b a
a
7785a06/0305
VIII
b a
18
V
VI
b a
III
b
a
b
a
ar3
b a
VII
10
M
SM
GP
v
BV1
LR
d1
/d2
fr3
M
QRA5...
22 23 24
15
SB
1 2
3 4 5
M1
M2
b a
Si
BV2
BV1
BV3
BV2
1)
L
15
Caution!
Do not press lockout reset button (EK...) for more than 10 seconds!
1) When used in connection with QRA53.../QRA55..., earthing of terminal 22 is
mandatory!
L
1
AS
br1
a b
ar1
4
W
R B
5
fr1
a b
IX
LP
XI
XIII
AR
br2
L1
EK1
b a a b
M
E
3 21 2
1 (3)
EK2
AL
N
15 16 18
BR
13 14
XII
IV
a b
II X
b aa b
M1 M2
N
6 7 12
ar2
a b
**I
fr2
b a
V
17 19 9
LR
M
v
a
z
m
L
7785a07/0908
11 10 8
SM
ar3
VII
b a
b a
a b
XIV
FR
V
22 23 24
RAR9...
NTC
SA
H
fr3
III
a b
VI
a b
SB
+
VIII
a b
A
20
M
Z
BV1
BV2
BV3
Si
a b
XV
Caution!
Do not press lockout reset button (EK...) for more than 10 seconds!
LGK16...
LOK16...