Siemens SIRIUS - Figure 3-54: Coupling Link, Circuit Diagram (Frame Sizes S0 to S3)

3RT1/3RH1 contactors
SIRIUS System Manual
3-72
GWA 4NEB 430 0999-02b
Circuit diagram
Figure 3-54: Coupling link, circuit diagram (frame sizes S0 to S3)
Technical specifications
You can find the technical specifications of the coupling link in Section 3.6,
Technical specifications.
L1 B2-B1+
A1
N
A2
U
U
K2
K1
K1 Coupling link
K2 Contactor
B1+/B2-: Control voltage 24 VDC
L1/N: Rated control supply voltage for the selected contactor