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Siemens 3RB12 Instructions Manual page 5

Solid-state overload relay
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IV
L1
L2
L3
N
F2 F3 F4
1
2
1
F1
L1 L2 L3
T1 T2 T3
2
U
M
3 ~
3ZX1012-0RB12-1AA1
3UL22
Z1
Z2
3
5
K1E
4
6
3
5
Test/
Reset
ϑ
Ground
Fault
T2/
T1
C1
4
6
V
W
ϑ
T2/
C1
C2
CLASS
5, 10, 15, 20, 25, 30
3 RB 12
3RB12
H 1
H 2
Ready Ground
Fault
Y2
Y1
Automatic-
Reset
Y2
Y1
S1A
S1E
A2 A1
K2 Ground
Fault
K1 Overload
H 3
Overload
K1E
Remote-
Reset
Y2
Y1
F5
K1E
95
97
05 07
96
98
06 08
A1
A2

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