Figure 4-29: Connection Plants For 3Rb12 Single-Phase Motors - Siemens sirius System Manual
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- Manual (169 pages) ,
- Configuration manual (98 pages) ,
- Original operating instructions (20 pages)
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3RB12 electronic overload relays
Connection plans for
single-phase motors
SIRIUS System Manual
GWA 4NEB 430 0999-02b
L
N
L1
L2
3RB12
T1
T2
Figure 4-29: Connection plants for 3RB12 single-phase motors
Important
The electronic overload relays with integrated ground fault detection
(3RB12..-....2./3RB12..-....3.) are not suitable for use with single-phase
motors.
3RU11, 3RB10, and 3RB12 overload relays
L
N
L3
3RB12
T3
1 ~
M
L1
L2
L3
T1
T2
T3
1 ~
M
4-33
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