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Siemens Manuals
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3US50
Operating instructions
Siemens 3US50 Operating Instructions page 4
Overload relay with phase loss sensitivity
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ENGLISH, page 1
РУССКИЙ, страница 2
汉语, 第 3 页
Ia
IIa
45
1)
10
IIIa
Va
AWG
Vb
AWG
4
111
10
80
2)
4)
8
100
3)
3US50
IIIb
L1 L2 L3 / T1 T2 T3
Nm
1 ... 1,5
.
lbf
in
9 ... 13
2
mm
2 x 2,5 ... 6
2
mm
2 x 1,5 ... 4
2 x 15 ... 4
L1 L2 L3 / T1 T2 T3
Nm
2,5 ... 3,0
.
lbf
in
9 ... 13
2
mm
1,5 ... 25
2
mm
1 ... 16
15 ... 4
Ib
IIb
45
1)
10
NO / NC
0,8 ... 1,4
7 ... 12
2 x 0,5 ... 1
2 x 1 ... 2,5
2 x 0,5 ... 1
2 x 0,75 ... 2,5
2 x 18 ... 12
NO / NC
0,8 ... 1,4
7 ... 12
1 ... 2,5
0,75 ... 2,5
2 x 18 ... 12
123
10
92
2)
4)
7
3)
107
3US55
IIIc
L1 L2 L3
1
3
5
RESET
95
97
98
96
AUS-TEST
2
4
6
T1 T2 T3
VI
5
A2
95
97
NC
NO
H
CLASS 10A
Test
Reset
A
NC
NO
96
98
3US50
2T1
6T3
4T2
3ZX3012-0US50-0AY0
A2
1
2
3
4
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