User Guide
Table Of Contents
- 3 3RT1 contactors/ 3RH1 control relays
- 3.1 Specifications/regulations/approvals
- 3.2 Device description
- 3.3 Application and areas of use
- 3.3.1 3RT10 contactors with 3 main contacts for switching motors
- 3.3.2 3RT14 contactors with 3 main contacts for switching resistive loads (AC-1)
- 3.3.3 3RT12 Vacuum contactors
- 3.3.4 3RT13 and 3RT15 contactors with 4 main contacts
- 3.3.5 3RT16 capacitor contactors
- 3.3.6 Contactors with an extended operating range
- 3.3.7 3RH1 control relays
- 3.3.8 3RT10 contactor relays for switching motors (interface) and 3RH11 control relays for switching auxiliary circuits
- 3.3.9 3RA13 Contactor combinations for reversing
- 3.3.10 3RT14 Wye-delta combinations
3RT1 contactors/3RH1 control relays
SIRIUS System Manual
GWA 4NEB 430 0999-02 DS 01
3-65
The following graphics show you the fully assembled wye-delta combina-
tions in frame sizes S00 to S2:
Frame size S00 Frame size S0
Fig. 3-30: Wye-delta combinations (Frame sizes S00, S0, S2)
3-phase feed-in terminal
(4 to 10 mm
2
)
Auxiliary
contact
block
At the front
Time-delay auxiliary
contact block, at
front
Auxiliary contact block
At the front
Time-delay auxiliary
contact block, at
front
Auxiliary contact block
At the front
Time-delay auxiliary contact
block, at front
Frame size S2