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Overload Relays
3RU1 Thermal Overload Relays
3RU11 for standard applications
3RU11 16 -..C1
Size S00, with remote RESET
4 , 5
5
3 5
4 5
1 ) R e m o t e R E S E T
3RU11 26-..D.
Size S0, with terminal bracket for stand-alone installation
4 , 5
S I E M E N S
T E S T
0
1
H
A
S T O P
R E S E T
5
3 5
4 5
5
3RU11 36-..D.
Size S2, with terminal bracket for stand-alone installation
5
S I E M E N S
T E S T
0
1
H
A
S T O P
R E S E T
5 , 5
4 4
5 5
5
3RU11 46-..D.
Size S3, with terminal bracket for stand-alone installation
5
S I E M E N S
T E S T
0
1
H
A
S T O P
R E S E T
1 )
6 0
5
7 0
1 ) F o r m o u n t i n g o n T H 3 5 - 1 5 o r T H 7 5
s t a n d a r d m o u n t i n g r a i l
a c c . t o E N 6 0 7 1 5
For dimensional drawings of overload relays mounted onto
contactors see Contactors and Contactor Assemblies.
16
Siemens · 2011
1 )
5
3 0
7 , 5
5
6 8
4 1
6 2
4 4
8 6
5
5 1
4 0
1 0 8
5
7 9
N S B 0 _ 0 0 3 4 7 a
7
5 9
5
1 3 0
■
Schematics
3RU11 16
1 L 1 3 L 2 5 L 3
2 T 1
4 T 2 6 T 3
3RU11 26 to 3RU11 46
1 L 1
3 L 2 5 L 3
2 T 1
4 T 2 6 T 3
Protection of DC motors
1
3
2
4
1-pole
1
3
2
4
2-pole
5
9 5
9 7
9 6
9 8
A 2
1 4 / 2 2
9 5
9 7
9 6
9 8
5
6
5
6
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