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Siemens SIRIUS System Manual

Siemens SIRIUS
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3RU11, 3RB10, and 3RB12 overload relays
SIRIUS System Manual
GWA 4NEB 430 0999-02b
4-33
3RB12 electronic overload relays
Connection plans for
single-phase motors
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.
L
N
M
1 ~
L1
L2
L3
T1 T2
T3
3RB12
L
N
M
1 ~
L1
L2
L3
T1 T2
T3
3RB12

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Siemens SIRIUS Specifications

General IconGeneral
BrandSiemens
ModelSIRIUS
CategoryRelays
LanguageEnglish

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