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
3-75
Control circuit S00
Fig. 3-33: Wye-delta combinations, control circuit (frame size S00)
Control circuit: S0 to S12
Fig. 3-34: Wye-delta combinations, control circuit (frame sizes S0 to S12)
S0 "Off" button F0 Fuses
S1 "On" button F1 Overload relay
S Continuous contact maker
K1 Line contactor
K2 Wye contactor
K3 Delta contactor
K4 Time-delay auxiliary switch block or time relay
Technical Data The technical specifications of the wye-delta combinations correspond to
those of the basic units for the corresponding frame size.
F0
K1 K3
K2
NSB00643
14
95
N(L )
L1(L+)
13
21
22
K4
K3
K1
S1
S0
F1
96
AC 50Hz (DC) ...V
21
22
K2
28
38
37
K4
27
F0
K1
K3
K2
NSB00644
95
N(L )
L1(L+)
21
22
K3
S
F1
96
AC 50Hz (DC) ...V
21
K2
22
28
38
37
K4
27
K4
14
13
K1
Continuous contacting
(2-wire control)
Push button switch control
(3-wire control)
F0
K3
K2
NSB00647
95
N(L )
L1(L+)
41
42
K4
K3
F1
96
AC 50Hz (DC) ...V
21
22
K2
18
28
K4
17
K1
34
33
K1 K2
14
13
S
43
44
K1
Continuous contacting
(2-wire control)
F0
K3
K2
NSB00646
43
95
N(L )
L1(L+)
44
41
42
K4
K3
K1
S1
S0
F1
96
AC 50Hz (DC) ...V
21
22
K2
18
28
K4
17
K1
34
33
K1 K2
14
13
Push button switch control
(3-wire control)